{
  "api": {
    "AuthenticatorResponse": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/AuthenticatorResponse",
        "support": {
          "chrome": [
            {
              "version_added": "67"
            },
            {
              "version_added": "65",
              "notes": "Only supports USB U2F tokens.",
              "flags": [
                {
                  "type": "preference",
                  "value_to_set": "Enabled",
                  "name": "Web Authentication API"
                }
              ]
            }
          ],
          "chrome_android": {
            "version_added": "70"
          },
          "edge": {
            "version_added": "18"
          },
          "firefox": {
            "version_added": "60",
            "notes": "Only supports USB U2F tokens."
          },
          "firefox_android": {
            "version_added": "60",
            "notes": "Only supports USB U2F tokens."
          },
          "ie": {
            "version_added": false
          },
          "opera": {
            "version_added": false
          },
          "opera_android": {
            "version_added": false
          },
          "safari": {
            "version_added": "13"
          },
          "safari_ios": {
            "version_added": "13.3"
          },
          "samsunginternet_android": {
            "version_added": false
          },
          "webview_android": {
            "version_added": "70"
          }
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "clientDataJSON": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/AuthenticatorResponse/clientDataJSON",
          "support": {
            "chrome": [
              {
                "version_added": "67"
              },
              {
                "version_added": "65",
                "notes": "Only supports USB U2F tokens.",
                "flags": [
                  {
                    "type": "preference",
                    "value_to_set": "Enabled",
                    "name": "Web Authentication API"
                  }
                ]
              }
            ],
            "chrome_android": {
              "version_added": "70"
            },
            "edge": {
              "version_added": "18"
            },
            "firefox": {
              "version_added": "60",
              "notes": "Only supports USB U2F tokens."
            },
            "firefox_android": {
              "version_added": "60",
              "notes": "Only supports USB U2F tokens."
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": "13"
            },
            "safari_ios": {
              "version_added": "13.3"
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": "70"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}