OpenID Connect Discovery

This section is about OpenID Provider Discovery. OpenID Providers have metadata describing their configuration. The endpoint is usually located at:

/.well-known/openid-configuration

The metadata is formatted in JSON. Here is an example of how it looks like:

HTTP/1.1 200 OK
Content-Type: application/json

{
 "issuer":
   "https://server.example.com",
 "authorization_endpoint":
   "https://server.example.com/connect/authorize",
 "token_endpoint":
   "https://server.example.com/connect/token",
 "token_endpoint_auth_methods_supported":
   ["client_secret_basic", "private_key_jwt"],
 "token_endpoint_auth_signing_alg_values_supported":
   ["RS256", "ES256"],
 "userinfo_endpoint":
   "https://server.example.com/connect/userinfo",
 "check_session_iframe":
   "https://server.example.com/connect/check_session",
 "end_session_endpoint":
   "https://server.example.com/connect/end_session",
 "jwks_uri":
   "https://server.example.com/jwks.json",
 "registration_endpoint":
   "https://server.example.com/connect/register",
 "scopes_supported":
   ["openid", "profile", "email", "address",
    "phone", "offline_access"],
 "response_types_supported":
   ["code", "code id_token", "id_token", "token id_token"],
 "acr_values_supported":
   ["urn:mace:incommon:iap:silver",
    "urn:mace:incommon:iap:bronze"],
 "subject_types_supported":
   ["public", "pairwise"],
 "userinfo_signing_alg_values_supported":
   ["RS256", "ES256", "HS256"],
 "userinfo_encryption_alg_values_supported":
   ["RSA1_5", "A128KW"],
 "userinfo_encryption_enc_values_supported":
   ["A128CBC-HS256", "A128GCM"],
 "id_token_signing_alg_values_supported":
   ["RS256", "ES256", "HS256"],
 "id_token_encryption_alg_values_supported":
   ["RSA1_5", "A128KW"],
 "id_token_encryption_enc_values_supported":
   ["A128CBC-HS256", "A128GCM"],
 "request_object_signing_alg_values_supported":
   ["none", "RS256", "ES256"],
 "display_values_supported":
   ["page", "popup"],
 "claim_types_supported":
   ["normal", "distributed"],
 "claims_supported":
   ["sub", "iss", "auth_time", "acr",
    "name", "given_name", "family_name", "nickname",
    "profile", "picture", "website",
    "email", "email_verified", "locale", "zoneinfo",
    "http://example.info/claims/groups"],
 "claims_parameter_supported":
   true,
 "service_documentation":
   "http://server.example.com/connect/service_documentation.html",
 "ui_locales_supported":
   ["en-US", "en-GB", "en-CA", "fr-FR", "fr-CA"]
}