diff --git a/mintlify/openapi.yaml b/mintlify/openapi.yaml
index dcadafc8..e82a2265 100644
--- a/mintlify/openapi.yaml
+++ b/mintlify/openapi.yaml
@@ -3910,7 +3910,7 @@ paths:
                 $ref: '#/components/schemas/AuthCredentialListResponse'
               examples:
                 multipleCredentials:
-                  summary: Internal account with an email OTP and a passkey credential
+                  summary: Internal account with multiple authentication credentials
                   value:
                     data:
                       - id: AuthMethod:019542f5-b3e7-1d02-0000-000000000001
@@ -3919,9 +3919,16 @@ paths:
                         nickname: example@lightspark.com
                         createdAt: '2026-04-08T15:30:01Z'
                         updatedAt: '2026-04-08T15:30:01Z'
+                      - id: AuthMethod:019542f5-b3e7-1d02-0000-000000000004
+                        accountId: InternalAccount:019542f5-b3e7-1d02-0000-000000000002
+                        type: OAUTH
+                        nickname: example@lightspark.com
+                        createdAt: '2026-04-08T15:35:00Z'
+                        updatedAt: '2026-04-08T15:35:00Z'
                       - id: AuthMethod:019542f5-b3e7-1d02-0000-000000000003
                         accountId: InternalAccount:019542f5-b3e7-1d02-0000-000000000002
                         type: PASSKEY
+                        credentialId: KEbWNCc7NgaYnUyrNeFGX9_3Y-8oJ3KwzjnaiD1d1LVTxR7v3CaKfCz2Vy_g_MHSh7yJ8yL0Pxg6jo_o0hYiew
                         nickname: iPhone Face-ID
                         createdAt: '2026-04-09T10:15:00Z'
                         updatedAt: '2026-04-09T10:15:00Z'
@@ -15438,6 +15445,10 @@ components:
           example: InternalAccount:019542f5-b3e7-1d02-0000-000000000002
         type:
           $ref: '#/components/schemas/AuthMethodType'
+        credentialId:
+          type: string
+          description: Base64url-encoded WebAuthn credential identifier for this passkey. Present only for `PASSKEY` authentication credentials. Corresponds to `PublicKeyCredential.rawId`; pass this value as `allowCredentials[].id` when requesting a passkey assertion for this auth method.
+          example: KEbWNCc7NgaYnUyrNeFGX9_3Y-8oJ3KwzjnaiD1d1LVTxR7v3CaKfCz2Vy_g_MHSh7yJ8yL0Pxg6jo_o0hYiew
         nickname:
           type: string
           description: Human-readable identifier for this credential. For EMAIL_OTP credentials this is the email address; for OAUTH credentials it is typically the email claim from the OIDC token; for PASSKEY credentials it is the validated nickname provided at registration time.
diff --git a/openapi.yaml b/openapi.yaml
index dcadafc8..e82a2265 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -3910,7 +3910,7 @@ paths:
                 $ref: '#/components/schemas/AuthCredentialListResponse'
               examples:
                 multipleCredentials:
-                  summary: Internal account with an email OTP and a passkey credential
+                  summary: Internal account with multiple authentication credentials
                   value:
                     data:
                       - id: AuthMethod:019542f5-b3e7-1d02-0000-000000000001
@@ -3919,9 +3919,16 @@ paths:
                         nickname: example@lightspark.com
                         createdAt: '2026-04-08T15:30:01Z'
                         updatedAt: '2026-04-08T15:30:01Z'
+                      - id: AuthMethod:019542f5-b3e7-1d02-0000-000000000004
+                        accountId: InternalAccount:019542f5-b3e7-1d02-0000-000000000002
+                        type: OAUTH
+                        nickname: example@lightspark.com
+                        createdAt: '2026-04-08T15:35:00Z'
+                        updatedAt: '2026-04-08T15:35:00Z'
                       - id: AuthMethod:019542f5-b3e7-1d02-0000-000000000003
                         accountId: InternalAccount:019542f5-b3e7-1d02-0000-000000000002
                         type: PASSKEY
+                        credentialId: KEbWNCc7NgaYnUyrNeFGX9_3Y-8oJ3KwzjnaiD1d1LVTxR7v3CaKfCz2Vy_g_MHSh7yJ8yL0Pxg6jo_o0hYiew
                         nickname: iPhone Face-ID
                         createdAt: '2026-04-09T10:15:00Z'
                         updatedAt: '2026-04-09T10:15:00Z'
@@ -15438,6 +15445,10 @@ components:
           example: InternalAccount:019542f5-b3e7-1d02-0000-000000000002
         type:
           $ref: '#/components/schemas/AuthMethodType'
+        credentialId:
+          type: string
+          description: Base64url-encoded WebAuthn credential identifier for this passkey. Present only for `PASSKEY` authentication credentials. Corresponds to `PublicKeyCredential.rawId`; pass this value as `allowCredentials[].id` when requesting a passkey assertion for this auth method.
+          example: KEbWNCc7NgaYnUyrNeFGX9_3Y-8oJ3KwzjnaiD1d1LVTxR7v3CaKfCz2Vy_g_MHSh7yJ8yL0Pxg6jo_o0hYiew
         nickname:
           type: string
           description: Human-readable identifier for this credential. For EMAIL_OTP credentials this is the email address; for OAUTH credentials it is typically the email claim from the OIDC token; for PASSKEY credentials it is the validated nickname provided at registration time.
diff --git a/openapi/components/schemas/auth/AuthMethod.yaml b/openapi/components/schemas/auth/AuthMethod.yaml
index 1c955e8a..8b73f0b6 100644
--- a/openapi/components/schemas/auth/AuthMethod.yaml
+++ b/openapi/components/schemas/auth/AuthMethod.yaml
@@ -17,6 +17,14 @@ properties:
     example: InternalAccount:019542f5-b3e7-1d02-0000-000000000002
   type:
     $ref: ./AuthMethodType.yaml
+  credentialId:
+    type: string
+    description: >-
+      Base64url-encoded WebAuthn credential identifier for this passkey.
+      Present only for `PASSKEY` authentication credentials. Corresponds to
+      `PublicKeyCredential.rawId`; pass this value as `allowCredentials[].id`
+      when requesting a passkey assertion for this auth method.
+    example: KEbWNCc7NgaYnUyrNeFGX9_3Y-8oJ3KwzjnaiD1d1LVTxR7v3CaKfCz2Vy_g_MHSh7yJ8yL0Pxg6jo_o0hYiew
   nickname:
     type: string
     description: >-
diff --git a/openapi/paths/auth/auth_credentials.yaml b/openapi/paths/auth/auth_credentials.yaml
index 1e8c1117..f60cb266 100644
--- a/openapi/paths/auth/auth_credentials.yaml
+++ b/openapi/paths/auth/auth_credentials.yaml
@@ -228,7 +228,7 @@ get:
             $ref: ../../components/schemas/auth/AuthCredentialListResponse.yaml
           examples:
             multipleCredentials:
-              summary: Internal account with an email OTP and a passkey credential
+              summary: Internal account with multiple authentication credentials
               value:
                 data:
                   - id: AuthMethod:019542f5-b3e7-1d02-0000-000000000001
@@ -237,9 +237,16 @@ get:
                     nickname: example@lightspark.com
                     createdAt: '2026-04-08T15:30:01Z'
                     updatedAt: '2026-04-08T15:30:01Z'
+                  - id: AuthMethod:019542f5-b3e7-1d02-0000-000000000004
+                    accountId: InternalAccount:019542f5-b3e7-1d02-0000-000000000002
+                    type: OAUTH
+                    nickname: example@lightspark.com
+                    createdAt: '2026-04-08T15:35:00Z'
+                    updatedAt: '2026-04-08T15:35:00Z'
                   - id: AuthMethod:019542f5-b3e7-1d02-0000-000000000003
                     accountId: InternalAccount:019542f5-b3e7-1d02-0000-000000000002
                     type: PASSKEY
+                    credentialId: KEbWNCc7NgaYnUyrNeFGX9_3Y-8oJ3KwzjnaiD1d1LVTxR7v3CaKfCz2Vy_g_MHSh7yJ8yL0Pxg6jo_o0hYiew
                     nickname: iPhone Face-ID
                     createdAt: '2026-04-09T10:15:00Z'
                     updatedAt: '2026-04-09T10:15:00Z'