diff --git a/api/CredentialsContainer.json b/api/CredentialsContainer.json
index 88d85fc01ab7b3..effb73b8efa890 100644
--- a/api/CredentialsContainer.json
+++ b/api/CredentialsContainer.json
@@ -978,6 +978,43 @@
               }
             }
           },
+          "providers_option_domainHint": {
+            "__compat": {
+              "description": "`identity.providers.domainHint`",
+              "spec_url": "https://w3c-fedid.github.io/FedCM/#dom-identityproviderrequestoptions-domainhint",
+              "tags": [
+                "web-features:fedcm"
+              ],
+              "support": {
+                "chrome": {
+                  "version_added": "123"
+                },
+                "chrome_android": "mirror",
+                "edge": "mirror",
+                "firefox": {
+                  "version_added": false
+                },
+                "firefox_android": "mirror",
+                "oculus": "mirror",
+                "opera": "mirror",
+                "opera_android": "mirror",
+                "safari": {
+                  "version_added": false
+                },
+                "safari_ios": "mirror",
+                "samsunginternet_android": "mirror",
+                "webview_android": {
+                  "version_added": false
+                },
+                "webview_ios": "mirror"
+              },
+              "status": {
+                "experimental": true,
+                "standard_track": true,
+                "deprecated": false
+              }
+            }
+          },
           "providers_option_fields": {
             "__compat": {
               "description": "`identity.providers.fields`",