Views

A View is a combination of resources for a particular presentation. It is suitable for anonymous viewing of content. It uses the flexibility of the JSON API specification to include a basket of related resources in a response, but doesn’t use the official method of Inclusion of Related Resources.

View a Feature

This view collects the data for a feature, including the related resources needed to display it on MDN.

Here is a simple example, the view for the CSS property float:

GET /api/v2/view_features/5 HTTP/1.1
Host: browsercompat.org
Accept: application/vnd.api+json

A sample response is:

HTTP/1.1 200 OK
Content-Type: application/vnd.api+json
{
    "links": {
        "self": "https://browsercompat.org/api/v2/view_features/5"
    },
    "data": {
        "type": "features",
        "id": "5",
        "attributes": {
            "slug": "web-css-float",
            "mdn_uri": {
                "en": "https://developer.mozilla.org/en-US/docs/Web/CSS/float",
                "de": "https://developer.mozilla.org/de/docs/Web/CSS/float",
                "es": "https://developer.mozilla.org/es/docs/Web/CSS/float",
                "ja": "https://developer.mozilla.org/ja/docs/Web/CSS/float",
                "ru": "https://developer.mozilla.org/ru/docs/Web/CSS/float"
            },
            "experimental": false,
            "standardized": true,
            "stable": true,
            "obsolete": false,
            "name": "float"
        },
        "relationships": {
            "parent": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/view_features/5/relationships/parent",
                    "related": "https://browsercompat.org/api/v2/view_features/5/parent"
                },
                "data": {
                    "type": "features",
                    "id": "2"
                }
            },
            "children": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/view_features/5/relationships/children",
                    "related": "https://browsercompat.org/api/v2/view_features/5/children"
                },
                "data": [
                    {
                        "type": "features",
                        "id": "6"
                    }
                ]
            },
            "references": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/view_features/5/relationships/references",
                    "related": "https://browsercompat.org/api/v2/view_features/5/references"
                },
                "data": [
                    {
                        "type": "references",
                        "id": "1"
                    },
                    {
                        "type": "references",
                        "id": "2"
                    },
                    {
                        "type": "references",
                        "id": "3"
                    }
                ]
            },
            "supports": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/view_features/5/relationships/supports",
                    "related": "https://browsercompat.org/api/v2/view_features/5/supports"
                },
                "data": []
            },
            "history_current": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/view_features/5/relationships/history_current",
                    "related": "https://browsercompat.org/api/v2/view_features/5/history_current"
                },
                "data": {
                    "type": "historical_features",
                    "id": "5"
                }
            },
            "history": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/view_features/5/relationships/history",
                    "related": "https://browsercompat.org/api/v2/view_features/5/history"
                },
                "data": [
                    {
                        "type": "historical_features",
                        "id": "5"
                    }
                ]
            }
        }
    },
    "included": [
        {
            "type": "browsers",
            "id": "1",
            "attributes": {
                "slug": "android",
                "name": {
                    "en": "Android Browser"
                },
                "note": null
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_browsers",
                        "id": "1"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_browsers",
                            "id": "1"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/browsers/1"
            }
        },
        {
            "type": "browsers",
            "id": "2",
            "attributes": {
                "slug": "android_webview",
                "name": {
                    "en": "Android Webview"
                },
                "note": null
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_browsers",
                        "id": "2"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_browsers",
                            "id": "2"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/browsers/2"
            }
        },
        {
            "type": "browsers",
            "id": "4",
            "attributes": {
                "slug": "chrome_desktop",
                "name": {
                    "en": "Chrome for Desktop"
                },
                "note": null
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_browsers",
                        "id": "4"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_browsers",
                            "id": "4"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/browsers/4"
            }
        },
        {
            "type": "browsers",
            "id": "6",
            "attributes": {
                "slug": "firefox_android",
                "name": {
                    "en": "Firefox for Android"
                },
                "note": null
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_browsers",
                        "id": "6"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_browsers",
                            "id": "6"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/browsers/6"
            }
        },
        {
            "type": "browsers",
            "id": "7",
            "attributes": {
                "slug": "firefox_desktop",
                "name": {
                    "en": "Firefox for Desktop"
                },
                "note": null
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_browsers",
                        "id": "7"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_browsers",
                            "id": "7"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/browsers/7"
            }
        },
        {
            "type": "browsers",
            "id": "9",
            "attributes": {
                "slug": "ie_desktop",
                "name": {
                    "en": "Internet Explorer for Desktop"
                },
                "note": null
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_browsers",
                        "id": "24"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_browsers",
                            "id": "24"
                        },
                        {
                            "type": "historical_browsers",
                            "id": "23"
                        },
                        {
                            "type": "historical_browsers",
                            "id": "22"
                        },
                        {
                            "type": "historical_browsers",
                            "id": "21"
                        },
                        {
                            "type": "historical_browsers",
                            "id": "20"
                        },
                        {
                            "type": "historical_browsers",
                            "id": "19"
                        },
                        {
                            "type": "historical_browsers",
                            "id": "9"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/browsers/9"
            }
        },
        {
            "type": "browsers",
            "id": "10",
            "attributes": {
                "slug": "ie_mobile",
                "name": {
                    "en": "Internet Explorer Mobile"
                },
                "note": null
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_browsers",
                        "id": "10"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_browsers",
                            "id": "10"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/browsers/10"
            }
        },
        {
            "type": "browsers",
            "id": "11",
            "attributes": {
                "slug": "opera_desktop",
                "name": {
                    "en": "Opera for Desktop"
                },
                "note": null
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_browsers",
                        "id": "11"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_browsers",
                            "id": "11"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/browsers/11"
            }
        },
        {
            "type": "browsers",
            "id": "14",
            "attributes": {
                "slug": "safari_desktop",
                "name": {
                    "en": "Safari for Desktop"
                },
                "note": null
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_browsers",
                        "id": "14"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_browsers",
                            "id": "14"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/browsers/14"
            }
        },
        {
            "type": "browsers",
            "id": "15",
            "attributes": {
                "slug": "safari_ios",
                "name": {
                    "en": "Safari for iOS"
                },
                "note": null
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_browsers",
                        "id": "15"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_browsers",
                            "id": "15"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/browsers/15"
            }
        },
        {
            "type": "versions",
            "id": "2",
            "attributes": {
                "version": "1.0",
                "release_day": null,
                "retirement_day": null,
                "status": "unknown",
                "release_notes_uri": null,
                "note": null,
                "order": 1
            },
            "relationships": {
                "browser": {
                    "data": {
                        "type": "browsers",
                        "id": "1"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_versions",
                        "id": "2"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_versions",
                            "id": "2"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/versions/2"
            }
        },
        {
            "type": "versions",
            "id": "4",
            "attributes": {
                "version": "current",
                "release_day": null,
                "retirement_day": null,
                "status": "current",
                "release_notes_uri": null,
                "note": null,
                "order": 0
            },
            "relationships": {
                "browser": {
                    "data": {
                        "type": "browsers",
                        "id": "2"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_versions",
                        "id": "4"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_versions",
                            "id": "4"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/versions/4"
            }
        },
        {
            "type": "versions",
            "id": "9",
            "attributes": {
                "version": "1.0",
                "release_day": null,
                "retirement_day": null,
                "status": "unknown",
                "release_notes_uri": null,
                "note": null,
                "order": 1
            },
            "relationships": {
                "browser": {
                    "data": {
                        "type": "browsers",
                        "id": "4"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_versions",
                        "id": "9"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_versions",
                            "id": "9"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/versions/9"
            }
        },
        {
            "type": "versions",
            "id": "15",
            "attributes": {
                "version": "1.0",
                "release_day": null,
                "retirement_day": null,
                "status": "unknown",
                "release_notes_uri": null,
                "note": null,
                "order": 1
            },
            "relationships": {
                "browser": {
                    "data": {
                        "type": "browsers",
                        "id": "6"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_versions",
                        "id": "15"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_versions",
                            "id": "15"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/versions/15"
            }
        },
        {
            "type": "versions",
            "id": "18",
            "attributes": {
                "version": "1.0",
                "release_day": "2004-11-09",
                "retirement_day": "2005-11-29",
                "status": "retired",
                "release_notes_uri": null,
                "note": null,
                "order": 1
            },
            "relationships": {
                "browser": {
                    "data": {
                        "type": "browsers",
                        "id": "7"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_versions",
                        "id": "18"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_versions",
                            "id": "18"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/versions/18"
            }
        },
        {
            "type": "versions",
            "id": "26",
            "attributes": {
                "version": "4.0",
                "release_day": null,
                "retirement_day": null,
                "status": "unknown",
                "release_notes_uri": null,
                "note": null,
                "order": 1
            },
            "relationships": {
                "browser": {
                    "data": {
                        "type": "browsers",
                        "id": "9"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_versions",
                        "id": "26"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_versions",
                            "id": "26"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/versions/26"
            }
        },
        {
            "type": "versions",
            "id": "32",
            "attributes": {
                "version": "6.0",
                "release_day": null,
                "retirement_day": null,
                "status": "unknown",
                "release_notes_uri": null,
                "note": null,
                "order": 2
            },
            "relationships": {
                "browser": {
                    "data": {
                        "type": "browsers",
                        "id": "10"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_versions",
                        "id": "32"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_versions",
                            "id": "32"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/versions/32"
            }
        },
        {
            "type": "versions",
            "id": "34",
            "attributes": {
                "version": "7.0",
                "release_day": null,
                "retirement_day": null,
                "status": "unknown",
                "release_notes_uri": null,
                "note": null,
                "order": 1
            },
            "relationships": {
                "browser": {
                    "data": {
                        "type": "browsers",
                        "id": "11"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_versions",
                        "id": "34"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_versions",
                            "id": "34"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/versions/34"
            }
        },
        {
            "type": "versions",
            "id": "42",
            "attributes": {
                "version": "1.0",
                "release_day": null,
                "retirement_day": null,
                "status": "unknown",
                "release_notes_uri": null,
                "note": null,
                "order": 1
            },
            "relationships": {
                "browser": {
                    "data": {
                        "type": "browsers",
                        "id": "14"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_versions",
                        "id": "42"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_versions",
                            "id": "42"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/versions/42"
            }
        },
        {
            "type": "versions",
            "id": "44",
            "attributes": {
                "version": "5.1",
                "release_day": null,
                "retirement_day": null,
                "status": "unknown",
                "release_notes_uri": null,
                "note": null,
                "order": 3
            },
            "relationships": {
                "browser": {
                    "data": {
                        "type": "browsers",
                        "id": "14"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_versions",
                        "id": "44"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_versions",
                            "id": "44"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/versions/44"
            }
        },
        {
            "type": "versions",
            "id": "46",
            "attributes": {
                "version": "1.0",
                "release_day": null,
                "retirement_day": null,
                "status": "unknown",
                "release_notes_uri": null,
                "note": null,
                "order": 1
            },
            "relationships": {
                "browser": {
                    "data": {
                        "type": "browsers",
                        "id": "15"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_versions",
                        "id": "46"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_versions",
                            "id": "46"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/versions/46"
            }
        },
        {
            "type": "supports",
            "id": "1",
            "attributes": {
                "support": "yes",
                "prefix": null,
                "prefix_mandatory": false,
                "alternate_name": null,
                "alternate_mandatory": false,
                "requires_config": null,
                "default_config": null,
                "protected": false,
                "note": null
            },
            "relationships": {
                "version": {
                    "data": {
                        "type": "versions",
                        "id": "2"
                    }
                },
                "feature": {
                    "data": {
                        "type": "features",
                        "id": "6"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_supports",
                        "id": "1"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_supports",
                            "id": "1"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/supports/1"
            }
        },
        {
            "type": "supports",
            "id": "2",
            "attributes": {
                "support": "yes",
                "prefix": null,
                "prefix_mandatory": false,
                "alternate_name": null,
                "alternate_mandatory": false,
                "requires_config": null,
                "default_config": null,
                "protected": false,
                "note": null
            },
            "relationships": {
                "version": {
                    "data": {
                        "type": "versions",
                        "id": "9"
                    }
                },
                "feature": {
                    "data": {
                        "type": "features",
                        "id": "6"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_supports",
                        "id": "2"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_supports",
                            "id": "2"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/supports/2"
            }
        },
        {
            "type": "supports",
            "id": "3",
            "attributes": {
                "support": "yes",
                "prefix": null,
                "prefix_mandatory": false,
                "alternate_name": null,
                "alternate_mandatory": false,
                "requires_config": null,
                "default_config": null,
                "protected": false,
                "note": null
            },
            "relationships": {
                "version": {
                    "data": {
                        "type": "versions",
                        "id": "15"
                    }
                },
                "feature": {
                    "data": {
                        "type": "features",
                        "id": "6"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_supports",
                        "id": "3"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_supports",
                            "id": "3"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/supports/3"
            }
        },
        {
            "type": "supports",
            "id": "4",
            "attributes": {
                "support": "yes",
                "prefix": null,
                "prefix_mandatory": false,
                "alternate_name": null,
                "alternate_mandatory": false,
                "requires_config": null,
                "default_config": null,
                "protected": false,
                "note": null
            },
            "relationships": {
                "version": {
                    "data": {
                        "type": "versions",
                        "id": "18"
                    }
                },
                "feature": {
                    "data": {
                        "type": "features",
                        "id": "6"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_supports",
                        "id": "4"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_supports",
                            "id": "4"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/supports/4"
            }
        },
        {
            "type": "supports",
            "id": "5",
            "attributes": {
                "support": "yes",
                "prefix": null,
                "prefix_mandatory": false,
                "alternate_name": null,
                "alternate_mandatory": false,
                "requires_config": null,
                "default_config": null,
                "protected": false,
                "note": null
            },
            "relationships": {
                "version": {
                    "data": {
                        "type": "versions",
                        "id": "26"
                    }
                },
                "feature": {
                    "data": {
                        "type": "features",
                        "id": "6"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_supports",
                        "id": "5"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_supports",
                            "id": "5"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/supports/5"
            }
        },
        {
            "type": "supports",
            "id": "6",
            "attributes": {
                "support": "yes",
                "prefix": null,
                "prefix_mandatory": false,
                "alternate_name": null,
                "alternate_mandatory": false,
                "requires_config": null,
                "default_config": null,
                "protected": false,
                "note": null
            },
            "relationships": {
                "version": {
                    "data": {
                        "type": "versions",
                        "id": "32"
                    }
                },
                "feature": {
                    "data": {
                        "type": "features",
                        "id": "6"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_supports",
                        "id": "6"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_supports",
                            "id": "6"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/supports/6"
            }
        },
        {
            "type": "supports",
            "id": "7",
            "attributes": {
                "support": "yes",
                "prefix": null,
                "prefix_mandatory": false,
                "alternate_name": null,
                "alternate_mandatory": false,
                "requires_config": null,
                "default_config": null,
                "protected": false,
                "note": null
            },
            "relationships": {
                "version": {
                    "data": {
                        "type": "versions",
                        "id": "34"
                    }
                },
                "feature": {
                    "data": {
                        "type": "features",
                        "id": "6"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_supports",
                        "id": "7"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_supports",
                            "id": "7"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/supports/7"
            }
        },
        {
            "type": "supports",
            "id": "8",
            "attributes": {
                "support": "yes",
                "prefix": null,
                "prefix_mandatory": false,
                "alternate_name": null,
                "alternate_mandatory": false,
                "requires_config": null,
                "default_config": null,
                "protected": false,
                "note": null
            },
            "relationships": {
                "version": {
                    "data": {
                        "type": "versions",
                        "id": "42"
                    }
                },
                "feature": {
                    "data": {
                        "type": "features",
                        "id": "6"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_supports",
                        "id": "8"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_supports",
                            "id": "8"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/supports/8"
            }
        },
        {
            "type": "supports",
            "id": "9",
            "attributes": {
                "support": "yes",
                "prefix": null,
                "prefix_mandatory": false,
                "alternate_name": null,
                "alternate_mandatory": false,
                "requires_config": null,
                "default_config": null,
                "protected": false,
                "note": null
            },
            "relationships": {
                "version": {
                    "data": {
                        "type": "versions",
                        "id": "44"
                    }
                },
                "feature": {
                    "data": {
                        "type": "features",
                        "id": "6"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_supports",
                        "id": "9"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_supports",
                            "id": "9"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/supports/9"
            }
        },
        {
            "type": "supports",
            "id": "10",
            "attributes": {
                "support": "yes",
                "prefix": null,
                "prefix_mandatory": false,
                "alternate_name": null,
                "alternate_mandatory": false,
                "requires_config": null,
                "default_config": null,
                "protected": false,
                "note": null
            },
            "relationships": {
                "version": {
                    "data": {
                        "type": "versions",
                        "id": "46"
                    }
                },
                "feature": {
                    "data": {
                        "type": "features",
                        "id": "6"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_supports",
                        "id": "10"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_supports",
                            "id": "10"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/supports/10"
            }
        },
        {
            "type": "supports",
            "id": "27",
            "attributes": {
                "support": "yes",
                "prefix": null,
                "prefix_mandatory": false,
                "alternate_name": null,
                "alternate_mandatory": false,
                "requires_config": null,
                "default_config": null,
                "protected": false,
                "note": null
            },
            "relationships": {
                "version": {
                    "data": {
                        "type": "versions",
                        "id": "4"
                    }
                },
                "feature": {
                    "data": {
                        "type": "features",
                        "id": "6"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_supports",
                        "id": "27"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_supports",
                            "id": "27"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/supports/27"
            }
        },
        {
            "type": "maturities",
            "id": "1",
            "attributes": {
                "slug": "REC",
                "name": {
                    "en": "Recommendation",
                    "de": "Empfehlung",
                    "ja": "勧告",
                    "ru": "Рекомендация"
                }
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_maturities",
                        "id": "1"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_maturities",
                            "id": "1"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/maturities/1"
            }
        },
        {
            "type": "maturities",
            "id": "2",
            "attributes": {
                "slug": "WD",
                "name": {
                    "en": "Working Draft",
                    "de": "Arbeitsentwurf",
                    "ja": "草案",
                    "ru": "Рабочий черновик"
                }
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_maturities",
                        "id": "2"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_maturities",
                            "id": "2"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/maturities/2"
            }
        },
        {
            "type": "specifications",
            "id": "1",
            "attributes": {
                "slug": "css1",
                "mdn_key": "CSS1",
                "name": {
                    "en": "CSS Level 1"
                },
                "uri": {
                    "en": "http://www.w3.org/TR/CSS1/"
                }
            },
            "relationships": {
                "maturity": {
                    "data": {
                        "type": "maturities",
                        "id": "1"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_specifications",
                        "id": "1"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_specifications",
                            "id": "1"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/specifications/1"
            }
        },
        {
            "type": "specifications",
            "id": "2",
            "attributes": {
                "slug": "css2_1",
                "mdn_key": "CSS2.1",
                "name": {
                    "en": "CSS Level 2 (Revision 1)"
                },
                "uri": {
                    "en": "http://www.w3.org/TR/CSS2/"
                }
            },
            "relationships": {
                "maturity": {
                    "data": {
                        "type": "maturities",
                        "id": "1"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_specifications",
                        "id": "2"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_specifications",
                            "id": "2"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/specifications/2"
            }
        },
        {
            "type": "specifications",
            "id": "3",
            "attributes": {
                "slug": "css3_box",
                "mdn_key": "CSS3 Box",
                "name": {
                    "en": "CSS Basic Box Model"
                },
                "uri": {
                    "en": "http://dev.w3.org/csswg/css3-box/"
                }
            },
            "relationships": {
                "maturity": {
                    "data": {
                        "type": "maturities",
                        "id": "2"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_specifications",
                        "id": "3"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_specifications",
                            "id": "3"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/specifications/3"
            }
        },
        {
            "type": "sections",
            "id": "1",
            "attributes": {
                "number": {
                    "en": "5.5.25"
                },
                "name": {
                    "en": "'float'"
                },
                "subpath": {
                    "en": "#float"
                }
            },
            "relationships": {
                "specification": {
                    "data": {
                        "type": "specifications",
                        "id": "1"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_sections",
                        "id": "1"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_sections",
                            "id": "1"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/sections/1"
            }
        },
        {
            "type": "sections",
            "id": "2",
            "attributes": {
                "number": {
                    "en": "9.5.1"
                },
                "name": {
                    "en": "Positioning the float: the 'float' property"
                },
                "subpath": {
                    "en": "visuren.html#float-position"
                }
            },
            "relationships": {
                "specification": {
                    "data": {
                        "type": "specifications",
                        "id": "2"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_sections",
                        "id": "2"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_sections",
                            "id": "2"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/sections/2"
            }
        },
        {
            "type": "sections",
            "id": "3",
            "attributes": {
                "number": {
                    "en": "16"
                },
                "name": {
                    "en": "The float property"
                },
                "subpath": {
                    "en": "#the-float-property"
                }
            },
            "relationships": {
                "specification": {
                    "data": {
                        "type": "specifications",
                        "id": "3"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_sections",
                        "id": "3"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_sections",
                            "id": "3"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/sections/3"
            }
        },
        {
            "type": "references",
            "id": "1",
            "attributes": {
                "note": {
                    "en": "Initial definition."
                }
            },
            "relationships": {
                "feature": {
                    "data": {
                        "type": "features",
                        "id": "5"
                    }
                },
                "section": {
                    "data": {
                        "type": "sections",
                        "id": "1"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_references",
                        "id": "1"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_references",
                            "id": "1"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/references/1"
            }
        },
        {
            "type": "references",
            "id": "2",
            "attributes": {
                "note": {
                    "en": "No change."
                }
            },
            "relationships": {
                "feature": {
                    "data": {
                        "type": "features",
                        "id": "5"
                    }
                },
                "section": {
                    "data": {
                        "type": "sections",
                        "id": "2"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_references",
                        "id": "2"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_references",
                            "id": "2"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/references/2"
            }
        },
        {
            "type": "references",
            "id": "3",
            "attributes": {
                "note": {
                    "en": "Lots of new values, not all clearly defined yet. Any differences in behavior unrelated to new features are expected to be unintentional; please report."
                }
            },
            "relationships": {
                "feature": {
                    "data": {
                        "type": "features",
                        "id": "5"
                    }
                },
                "section": {
                    "data": {
                        "type": "sections",
                        "id": "3"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_references",
                        "id": "3"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_references",
                            "id": "3"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/references/3"
            }
        },
        {
            "type": "features",
            "id": "6",
            "attributes": {
                "slug": "web-css-float_basic-support",
                "mdn_uri": null,
                "experimental": false,
                "standardized": true,
                "stable": true,
                "obsolete": false,
                "name": {
                    "en": "Basic Support",
                    "ja": "基本サポート"
                }
            },
            "relationships": {
                "parent": {
                    "data": {
                        "type": "features",
                        "id": "5"
                    }
                },
                "children": {
                    "data": []
                },
                "references": {
                    "data": []
                },
                "supports": {
                    "data": [
                        {
                            "type": "supports",
                            "id": "1"
                        },
                        {
                            "type": "supports",
                            "id": "2"
                        },
                        {
                            "type": "supports",
                            "id": "3"
                        },
                        {
                            "type": "supports",
                            "id": "4"
                        },
                        {
                            "type": "supports",
                            "id": "5"
                        },
                        {
                            "type": "supports",
                            "id": "6"
                        },
                        {
                            "type": "supports",
                            "id": "7"
                        },
                        {
                            "type": "supports",
                            "id": "8"
                        },
                        {
                            "type": "supports",
                            "id": "9"
                        },
                        {
                            "type": "supports",
                            "id": "10"
                        },
                        {
                            "type": "supports",
                            "id": "27"
                        }
                    ]
                },
                "history_current": {
                    "data": {
                        "type": "historical_features",
                        "id": "6"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_features",
                            "id": "6"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/features/6"
            }
        }
    ],
    "meta": {
        "compat_table": {
            "supports": {
                "5": {},
                "6": {
                    "1": [
                        "1"
                    ],
                    "2": [
                        "27"
                    ],
                    "4": [
                        "2"
                    ],
                    "6": [
                        "3"
                    ],
                    "7": [
                        "4"
                    ],
                    "9": [
                        "5"
                    ],
                    "10": [
                        "6"
                    ],
                    "11": [
                        "7"
                    ],
                    "14": [
                        "8"
                    ],
                    "15": [
                        "10"
                    ]
                }
            },
            "tabs": [
                {
                    "name": {
                        "en": "Desktop Browsers"
                    },
                    "browsers": [
                        "4",
                        "7",
                        "9",
                        "11",
                        "14"
                    ]
                },
                {
                    "name": {
                        "en": "Mobile Browsers"
                    },
                    "browsers": [
                        "1",
                        "2",
                        "6",
                        "10",
                        "15"
                    ]
                }
            ],
            "child_pages": false,
            "pagination": {
                "linked.features": {
                    "previous": null,
                    "next": null,
                    "count": 1
                }
            },
            "languages": [
                "en",
                "de",
                "es",
                "ja",
                "ru"
            ],
            "notes": {}
        }
    }
}

Generating a Compatibility Table

One way to use this representation is:

  1. Parse /data and /included into an in-memory object store, so that you can load a resource given the type and ID.
  2. Create the “Specifications” section:
    1. Add the Specifications header
    2. Create an HTML table with a header row “Specification”, “Status”, “Comment”
    3. For each id in /data/relationships/sections ("1", "2", "3"`):
      • Load the section, specification, and maturity
      • Add the first column: a link to (specification).attributes.uri.(lang or en) + (section).attributes.subpath.(lang or en), with link text (specification).attributes.name.(lang or en), with title based on (section).attributes.name.(lang or en) or data.attributes.name.(lang or en).
      • Add the second column: A span with class “spec-” + (maturity).attributes.slug, and the text (maturity).attributes.name.(lang or en).
      • Add the third column: (maturity).attributes.notes.(lang or en), or empty string
    4. Close the table, and add an edit button.
  3. Create the Browser Compatibility section:
    1. Add The “Browser compatibility” header
    2. For each item in /meta/compat_table/tabs:
      • Create a table with the proper name (“Desktop”, “Mobile”)
      • Load the browser by ID in /browsers
      • Add a column the translated browser name
    3. For the main feature in /data and each feature in /data/relationships/children:
      • Add the first column: the feature name (attributes/name). If it is a string, then wrap in <code>. Otherwise, use the best translation of name, in a lang=(lang) block. A good name for the main feature is “Basic Support”.
      • Add any feature flags, such as an obsolete or experimental icon, based on the feature flags.
      • Load the supports reference list in /meta/compat_table/supports/(feature ID)/(browser ID)/(support IDs)
      • For each browsers’ supports reference list:
        • If no supports, then display ”?”
        • If just one support, display “<version>”, or “<support>”, depending on the defined attributes
        • If multiple supports, display as subcells
        • Add prefixes, alternate names, config, and notes link as appropriate
    4. Close each table, add an edit button
    5. Add notes for displayed supports

This may be done by including the JSON in the page as sent over the wire, or loaded asynchronously, with the tables built after initial page load.

This can also be used by a “caniuse” table layout by ignoring the meta section and displaying all the included data. This will require more client-side processing to generate, or additional data in the <meta> section.

Including Child Pages

By default, view_feature only includes row children, which are subfeatures that are represented as rows in the MDN table. These row children are identified by not having a value for mdn_uri.

There can also be page children, which are represented as more detailed page on MDN. For example, Web/CSS has the page child Web/CSS/Display. By default, these are not included, but can be included by setting the query parameter child_pages=1:

GET /api/v2/view_features/2?child_pages=1 HTTP/1.1
Host: browsercompat.org
Accept: application/vnd.api+json

Updating Views with Changesets

Updating the page requires a sequence of requests. For example, if a user wants to change Chrome support for <address> from an unknown version to version 2, you’ll have to create the version for that version, then add the support for the support.

The first step is to create a changeset as an authenticated user:

POST /api/v2/changesets HTTP/1.1
Host: browsercompat.org
Accept: application/vnd.api+json
Authorization: Bearer xxQLNiTUFjRL5En8nBWzSDc5tLWkV2
Content-Length: 173
Content-Type: application/vnd.api+json
{
    "data": {
        "type": "changesets",
        "attributes": {
            "target_resource_type": "features",
            "target_resource_id": "6"
        }
    }
}

A sample response is:

HTTP/1.1 201 CREATED
Content-Type: application/vnd.api+json
{
    "links": {
        "self": "https://browsercompat.org/api/v2/changesets"
    },
    "data": {
        "type": "changesets",
        "id": "55",
        "attributes": {
            "created": "2016-01-14T08:16:02.171000Z",
            "modified": "2016-01-14T08:16:06.763000Z",
            "closed": false,
            "target_resource_type": "features",
            "target_resource_id": 6
        },
        "relationships": {
            "user": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/changesets/relationships/user",
                    "related": "https://browsercompat.org/api/v2/changesets/user"
                },
                "data": {
                    "type": "users",
                    "id": "1"
                }
            },
            "historical_browsers": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/changesets/relationships/historical_browsers",
                    "related": "https://browsercompat.org/api/v2/changesets/historical_browsers"
                },
                "data": []
            },
            "historical_features": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/changesets/relationships/historical_features",
                    "related": "https://browsercompat.org/api/v2/changesets/historical_features"
                },
                "data": []
            },
            "historical_maturities": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/changesets/relationships/historical_maturities",
                    "related": "https://browsercompat.org/api/v2/changesets/historical_maturities"
                },
                "data": []
            },
            "historical_references": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/changesets/relationships/historical_references",
                    "related": "https://browsercompat.org/api/v2/changesets/historical_references"
                },
                "data": []
            },
            "historical_sections": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/changesets/relationships/historical_sections",
                    "related": "https://browsercompat.org/api/v2/changesets/historical_sections"
                },
                "data": []
            },
            "historical_specifications": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/changesets/relationships/historical_specifications",
                    "related": "https://browsercompat.org/api/v2/changesets/historical_specifications"
                },
                "data": []
            },
            "historical_supports": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/changesets/relationships/historical_supports",
                    "related": "https://browsercompat.org/api/v2/changesets/historical_supports"
                },
                "data": []
            },
            "historical_versions": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/changesets/relationships/historical_versions",
                    "related": "https://browsercompat.org/api/v2/changesets/historical_versions"
                },
                "data": []
            }
        }
    }
}

Next, use the changeset ID when creating the version:

POST /api/v2/versions?use_changeset=55 HTTP/1.1
Host: browsercompat.org
Accept: application/vnd.api+json
Authorization: Bearer xxQLNiTUFjRL5En8nBWzSDc5tLWkV2
Content-Length: 338
Content-Type: application/vnd.api+json
{
    "data": {
        "type": "versions",
        "attributes": {
            "version": "2.0",
            "status": "retired"
        },
        "relationships": {
            "browser": {
                "data": {
                    "type": "browsers",
                    "id": "3"
                }
            }
        }
    }
}

A sample response is:

HTTP/1.1 201 CREATED
Content-Type: application/vnd.api+json
{
    "links": {
        "self": "https://browsercompat.org/api/v2/versions?use_changeset=55"
    },
    "data": {
        "type": "versions",
        "id": "50",
        "attributes": {
            "version": "2.0",
            "release_day": null,
            "retirement_day": null,
            "status": "retired",
            "release_notes_uri": null,
            "note": null,
            "order": 3
        },
        "relationships": {
            "browser": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/versions/relationships/browser",
                    "related": "https://browsercompat.org/api/v2/versions/browser"
                },
                "data": {
                    "type": "browsers",
                    "id": "3"
                }
            },
            "supports": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/versions/relationships/supports",
                    "related": "https://browsercompat.org/api/v2/versions/supports"
                },
                "data": []
            },
            "history_current": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/versions/relationships/history_current",
                    "related": "https://browsercompat.org/api/v2/versions/history_current"
                },
                "data": {
                    "type": "historical_versions",
                    "id": "54"
                }
            },
            "history": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/versions/relationships/history",
                    "related": "https://browsercompat.org/api/v2/versions/history"
                },
                "data": [
                    {
                        "type": "historical_versions",
                        "id": "54"
                    }
                ]
            }
        }
    }
}

Finally, create the support:

POST /api/v2/supports?use_changeset=55 HTTP/1.1
Host: browsercompat.org
Accept: application/vnd.api+json
Authorization: Bearer xxQLNiTUFjRL5En8nBWzSDc5tLWkV2
Content-Length: 396
Content-Type: application/vnd.api+json
{
    "data": {
        "type": "supports",
        "relationships": {
            "version": {
                "data": {
                    "type": "versions",
                    "id": "50"
                }
            },
            "feature": {
                "data": {
                    "type": "features",
                    "id": "6"
                }
            }
        }
    }
}

A sample response is:

HTTP/1.1 201 CREATED
Content-Type: application/vnd.api+json
{
    "links": {
        "self": "https://browsercompat.org/api/v2/supports?use_changeset=55"
    },
    "data": {
        "type": "supports",
        "id": "29",
        "attributes": {
            "support": "yes",
            "prefix": null,
            "prefix_mandatory": false,
            "alternate_name": null,
            "alternate_mandatory": false,
            "requires_config": null,
            "default_config": null,
            "protected": false,
            "note": null
        },
        "relationships": {
            "version": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/supports/relationships/version",
                    "related": "https://browsercompat.org/api/v2/supports/version"
                },
                "data": {
                    "type": "versions",
                    "id": "50"
                }
            },
            "feature": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/supports/relationships/feature",
                    "related": "https://browsercompat.org/api/v2/supports/feature"
                },
                "data": {
                    "type": "features",
                    "id": "6"
                }
            },
            "history_current": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/supports/relationships/history_current",
                    "related": "https://browsercompat.org/api/v2/supports/history_current"
                },
                "data": {
                    "type": "historical_supports",
                    "id": "32"
                }
            },
            "history": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/supports/relationships/history",
                    "related": "https://browsercompat.org/api/v2/supports/history"
                },
                "data": [
                    {
                        "type": "historical_supports",
                        "id": "32"
                    }
                ]
            }
        }
    }
}

The historical_versions and historical_supports resources will both refer to changeset 56, and this changeset is linked to feature 6, despite the fact that no changes were made to the feature. This will facilitate displaying a history of the compatibility tables, for the purpose of reviewing changes and reverting vandalism.

Updating View with PATCH

view_features supports PATCH for bulk updates of support data. Here is a simple example that adds a new subfeature without support:

PATCH /api/v2/view_features/5 HTTP/1.1
Host: browsercompat.org
Accept: application/vnd.api+json
Authorization: Bearer xxQLNiTUFjRL5En8nBWzSDc5tLWkV2
Content-Length: 590
Content-Type: application/vnd.api+json
{
    "data": {
        "id": "5",
        "type": "features"
    },
    "included": [
        {
            "type": "features",
            "id": "_New Subfeature",
            "attributes": {
                "slug": "web-css-float_new-subfeature",
                "name": {
                    "en": "New Subfeature"
                }
            },
            "relationships": {
                "parent": {
                    "data": {
                        "type": "features",
                        "id": "5"
                    }
                }
            }
        }
    ]
}

A sample response is:

HTTP/1.1 200 OK
Content-Type: application/vnd.api+json
{
    "links": {
        "self": "https://browsercompat.org/api/v2/view_features/5"
    },
    "data": {
        "type": "features",
        "id": "5",
        "attributes": {
            "slug": "web-css-float",
            "mdn_uri": {
                "en": "https://developer.mozilla.org/en-US/docs/Web/CSS/float",
                "de": "https://developer.mozilla.org/de/docs/Web/CSS/float",
                "es": "https://developer.mozilla.org/es/docs/Web/CSS/float",
                "ja": "https://developer.mozilla.org/ja/docs/Web/CSS/float",
                "ru": "https://developer.mozilla.org/ru/docs/Web/CSS/float"
            },
            "experimental": false,
            "standardized": true,
            "stable": true,
            "obsolete": false,
            "name": "float"
        },
        "relationships": {
            "parent": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/view_features/5/relationships/parent",
                    "related": "https://browsercompat.org/api/v2/view_features/5/parent"
                },
                "data": {
                    "type": "features",
                    "id": "2"
                }
            },
            "children": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/view_features/5/relationships/children",
                    "related": "https://browsercompat.org/api/v2/view_features/5/children"
                },
                "data": [
                    {
                        "type": "features",
                        "id": "6"
                    },
                    {
                        "type": "features",
                        "id": "19"
                    }
                ]
            },
            "references": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/view_features/5/relationships/references",
                    "related": "https://browsercompat.org/api/v2/view_features/5/references"
                },
                "data": [
                    {
                        "type": "references",
                        "id": "1"
                    },
                    {
                        "type": "references",
                        "id": "2"
                    },
                    {
                        "type": "references",
                        "id": "3"
                    }
                ]
            },
            "supports": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/view_features/5/relationships/supports",
                    "related": "https://browsercompat.org/api/v2/view_features/5/supports"
                },
                "data": []
            },
            "history_current": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/view_features/5/relationships/history_current",
                    "related": "https://browsercompat.org/api/v2/view_features/5/history_current"
                },
                "data": {
                    "type": "historical_features",
                    "id": "25"
                }
            },
            "history": {
                "links": {
                    "self": "https://browsercompat.org/api/v2/view_features/5/relationships/history",
                    "related": "https://browsercompat.org/api/v2/view_features/5/history"
                },
                "data": [
                    {
                        "type": "historical_features",
                        "id": "25"
                    },
                    {
                        "type": "historical_features",
                        "id": "5"
                    }
                ]
            }
        }
    },
    "included": [
        {
            "type": "browsers",
            "id": "1",
            "attributes": {
                "slug": "android",
                "name": {
                    "en": "Android Browser"
                },
                "note": null
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_browsers",
                        "id": "1"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_browsers",
                            "id": "1"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/browsers/1"
            }
        },
        {
            "type": "browsers",
            "id": "2",
            "attributes": {
                "slug": "android_webview",
                "name": {
                    "en": "Android Webview"
                },
                "note": null
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_browsers",
                        "id": "2"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_browsers",
                            "id": "2"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/browsers/2"
            }
        },
        {
            "type": "browsers",
            "id": "3",
            "attributes": {
                "slug": "blackberry",
                "name": {
                    "en": "BlackBerry Browser"
                },
                "note": null
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_browsers",
                        "id": "3"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_browsers",
                            "id": "3"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/browsers/3"
            }
        },
        {
            "type": "browsers",
            "id": "4",
            "attributes": {
                "slug": "chrome_desktop",
                "name": {
                    "en": "Chrome for Desktop"
                },
                "note": null
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_browsers",
                        "id": "4"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_browsers",
                            "id": "4"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/browsers/4"
            }
        },
        {
            "type": "browsers",
            "id": "6",
            "attributes": {
                "slug": "firefox_android",
                "name": {
                    "en": "Firefox for Android"
                },
                "note": null
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_browsers",
                        "id": "6"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_browsers",
                            "id": "6"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/browsers/6"
            }
        },
        {
            "type": "browsers",
            "id": "7",
            "attributes": {
                "slug": "firefox_desktop",
                "name": {
                    "en": "Firefox for Desktop"
                },
                "note": null
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_browsers",
                        "id": "7"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_browsers",
                            "id": "7"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/browsers/7"
            }
        },
        {
            "type": "browsers",
            "id": "9",
            "attributes": {
                "slug": "ie_desktop",
                "name": {
                    "en": "Internet Explorer for Desktop"
                },
                "note": null
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_browsers",
                        "id": "24"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_browsers",
                            "id": "24"
                        },
                        {
                            "type": "historical_browsers",
                            "id": "23"
                        },
                        {
                            "type": "historical_browsers",
                            "id": "22"
                        },
                        {
                            "type": "historical_browsers",
                            "id": "21"
                        },
                        {
                            "type": "historical_browsers",
                            "id": "20"
                        },
                        {
                            "type": "historical_browsers",
                            "id": "19"
                        },
                        {
                            "type": "historical_browsers",
                            "id": "9"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/browsers/9"
            }
        },
        {
            "type": "browsers",
            "id": "10",
            "attributes": {
                "slug": "ie_mobile",
                "name": {
                    "en": "Internet Explorer Mobile"
                },
                "note": null
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_browsers",
                        "id": "10"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_browsers",
                            "id": "10"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/browsers/10"
            }
        },
        {
            "type": "browsers",
            "id": "11",
            "attributes": {
                "slug": "opera_desktop",
                "name": {
                    "en": "Opera for Desktop"
                },
                "note": null
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_browsers",
                        "id": "11"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_browsers",
                            "id": "11"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/browsers/11"
            }
        },
        {
            "type": "browsers",
            "id": "14",
            "attributes": {
                "slug": "safari_desktop",
                "name": {
                    "en": "Safari for Desktop"
                },
                "note": null
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_browsers",
                        "id": "14"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_browsers",
                            "id": "14"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/browsers/14"
            }
        },
        {
            "type": "browsers",
            "id": "15",
            "attributes": {
                "slug": "safari_ios",
                "name": {
                    "en": "Safari for iOS"
                },
                "note": null
            },
            "relationships": {
                "history_current": {
                    "data": {
                        "type": "historical_browsers",
                        "id": "15"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_browsers",
                            "id": "15"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/browsers/15"
            }
        },
        {
            "type": "versions",
            "id": "2",
            "attributes": {
                "version": "1.0",
                "release_day": null,
                "retirement_day": null,
                "status": "unknown",
                "release_notes_uri": null,
                "note": null,
                "order": 1
            },
            "relationships": {
                "browser": {
                    "data": {
                        "type": "browsers",
                        "id": "1"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_versions",
                        "id": "2"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_versions",
                            "id": "2"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/versions/2"
            }
        },
        {
            "type": "versions",
            "id": "4",
            "attributes": {
                "version": "current",
                "release_day": null,
                "retirement_day": null,
                "status": "current",
                "release_notes_uri": null,
                "note": null,
                "order": 0
            },
            "relationships": {
                "browser": {
                    "data": {
                        "type": "browsers",
                        "id": "2"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_versions",
                        "id": "4"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_versions",
                            "id": "4"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/versions/4"
            }
        },
        {
            "type": "versions",
            "id": "9",
            "attributes": {
                "version": "1.0",
                "release_day": null,
                "retirement_day": null,
                "status": "unknown",
                "release_notes_uri": null,
                "note": null,
                "order": 1
            },
            "relationships": {
                "browser": {
                    "data": {
                        "type": "browsers",
                        "id": "4"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_versions",
                        "id": "9"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_versions",
                            "id": "9"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/versions/9"
            }
        },
        {
            "type": "versions",
            "id": "15",
            "attributes": {
                "version": "1.0",
                "release_day": null,
                "retirement_day": null,
                "status": "unknown",
                "release_notes_uri": null,
                "note": null,
                "order": 1
            },
            "relationships": {
                "browser": {
                    "data": {
                        "type": "browsers",
                        "id": "6"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_versions",
                        "id": "15"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_versions",
                            "id": "15"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/versions/15"
            }
        },
        {
            "type": "versions",
            "id": "18",
            "attributes": {
                "version": "1.0",
                "release_day": "2004-11-09",
                "retirement_day": "2005-11-29",
                "status": "retired",
                "release_notes_uri": null,
                "note": null,
                "order": 1
            },
            "relationships": {
                "browser": {
                    "data": {
                        "type": "browsers",
                        "id": "7"
                    }
                },
                "history_current": {
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                    "en": "Positioning the float: the 'float' property"
                },
                "subpath": {
                    "en": "visuren.html#float-position"
                }
            },
            "relationships": {
                "specification": {
                    "data": {
                        "type": "specifications",
                        "id": "2"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_sections",
                        "id": "2"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_sections",
                            "id": "2"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/sections/2"
            }
        },
        {
            "type": "sections",
            "id": "3",
            "attributes": {
                "number": {
                    "en": "16"
                },
                "name": {
                    "en": "The float property"
                },
                "subpath": {
                    "en": "#the-float-property"
                }
            },
            "relationships": {
                "specification": {
                    "data": {
                        "type": "specifications",
                        "id": "3"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_sections",
                        "id": "3"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_sections",
                            "id": "3"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/sections/3"
            }
        },
        {
            "type": "references",
            "id": "1",
            "attributes": {
                "note": {
                    "en": "Initial definition."
                }
            },
            "relationships": {
                "feature": {
                    "data": {
                        "type": "features",
                        "id": "5"
                    }
                },
                "section": {
                    "data": {
                        "type": "sections",
                        "id": "1"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_references",
                        "id": "1"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_references",
                            "id": "1"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/references/1"
            }
        },
        {
            "type": "references",
            "id": "2",
            "attributes": {
                "note": {
                    "en": "No change."
                }
            },
            "relationships": {
                "feature": {
                    "data": {
                        "type": "features",
                        "id": "5"
                    }
                },
                "section": {
                    "data": {
                        "type": "sections",
                        "id": "2"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_references",
                        "id": "2"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_references",
                            "id": "2"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/references/2"
            }
        },
        {
            "type": "references",
            "id": "3",
            "attributes": {
                "note": {
                    "en": "Lots of new values, not all clearly defined yet. Any differences in behavior unrelated to new features are expected to be unintentional; please report."
                }
            },
            "relationships": {
                "feature": {
                    "data": {
                        "type": "features",
                        "id": "5"
                    }
                },
                "section": {
                    "data": {
                        "type": "sections",
                        "id": "3"
                    }
                },
                "history_current": {
                    "data": {
                        "type": "historical_references",
                        "id": "3"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_references",
                            "id": "3"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/references/3"
            }
        },
        {
            "type": "features",
            "id": "6",
            "attributes": {
                "slug": "web-css-float_basic-support",
                "mdn_uri": null,
                "experimental": false,
                "standardized": true,
                "stable": true,
                "obsolete": false,
                "name": {
                    "en": "Basic Support",
                    "ja": "基本サポート"
                }
            },
            "relationships": {
                "parent": {
                    "data": {
                        "type": "features",
                        "id": "5"
                    }
                },
                "children": {
                    "data": []
                },
                "references": {
                    "data": []
                },
                "supports": {
                    "data": [
                        {
                            "type": "supports",
                            "id": "1"
                        },
                        {
                            "type": "supports",
                            "id": "2"
                        },
                        {
                            "type": "supports",
                            "id": "3"
                        },
                        {
                            "type": "supports",
                            "id": "4"
                        },
                        {
                            "type": "supports",
                            "id": "5"
                        },
                        {
                            "type": "supports",
                            "id": "6"
                        },
                        {
                            "type": "supports",
                            "id": "7"
                        },
                        {
                            "type": "supports",
                            "id": "8"
                        },
                        {
                            "type": "supports",
                            "id": "9"
                        },
                        {
                            "type": "supports",
                            "id": "10"
                        },
                        {
                            "type": "supports",
                            "id": "27"
                        },
                        {
                            "type": "supports",
                            "id": "29"
                        }
                    ]
                },
                "history_current": {
                    "data": {
                        "type": "historical_features",
                        "id": "6"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_features",
                            "id": "6"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/features/6"
            }
        },
        {
            "type": "features",
            "id": "19",
            "attributes": {
                "slug": "web-css-float_new-subfeature",
                "mdn_uri": null,
                "experimental": false,
                "standardized": true,
                "stable": true,
                "obsolete": false,
                "name": {
                    "en": "New Subfeature"
                }
            },
            "relationships": {
                "parent": {
                    "data": {
                        "type": "features",
                        "id": "5"
                    }
                },
                "children": {
                    "data": []
                },
                "references": {
                    "data": []
                },
                "supports": {
                    "data": []
                },
                "history_current": {
                    "data": {
                        "type": "historical_features",
                        "id": "26"
                    }
                },
                "history": {
                    "data": [
                        {
                            "type": "historical_features",
                            "id": "26"
                        }
                    ]
                }
            },
            "links": {
                "self": "https://browsercompat.org/api/v2/features/19"
            }
        }
    ],
    "meta": {
        "compat_table": {
            "supports": {
                "5": {},
                "6": {
                    "1": [
                        "1"
                    ],
                    "2": [
                        "27"
                    ],
                    "3": [
                        "29"
                    ],
                    "4": [
                        "2"
                    ],
                    "6": [
                        "3"
                    ],
                    "7": [
                        "4"
                    ],
                    "9": [
                        "5"
                    ],
                    "10": [
                        "6"
                    ],
                    "11": [
                        "7"
                    ],
                    "14": [
                        "8"
                    ],
                    "15": [
                        "10"
                    ]
                },
                "19": {}
            },
            "tabs": [
                {
                    "name": {
                        "en": "Desktop Browsers"
                    },
                    "browsers": [
                        "4",
                        "7",
                        "9",
                        "11",
                        "14"
                    ]
                },
                {
                    "name": {
                        "en": "Mobile Browsers"
                    },
                    "browsers": [
                        "1",
                        "2",
                        "3",
                        "6",
                        "10",
                        "15"
                    ]
                }
            ],
            "child_pages": true,
            "pagination": {
                "linked.features": {
                    "previous": null,
                    "next": null,
                    "count": 2
                }
            },
            "languages": [
                "en",
                "de",
                "es",
                "ja",
                "ru"
            ],
            "notes": {}
        }
    }
}

The response is the feature view with new and updated items, or an error response.

This is a trivial use case, which would be better implemented by creating the feature directly, but it can be extended to bulk updates of existing feature views, or for first-time importing of subfeatures and support data. It has some quirks:

  • New items should be identified with an ID starting with an underscore (_). Relations to new items should use the underscored IDs.
  • Only feature, reference, section, and support resources can be added or updated. Features must be the target feature or a descendant, and other resources must be restricted to those features or a valid new feature..
  • Deletions are not supported.
  • Other resources (browsers, versions, etc) can not be added or changed. This includes adding links to new resources.

Once the MDN import is complete, this PATCH interface will be deprecated in favor of direct POST and PATCH to the standard resource API.