[#OpenID](OpenID) [#OAuth](OAuth) #[[OpenID Connect]] - [https://openid.net/specs/openid-connect-discovery-1_0.html](https://openid.net/specs/openid-connect-discovery-1_0.html) - `ベースURL` + `/.well-known/openid-configuration`にアクセスし、[[OpenID]]プロバイダーの情報をまとめて取ってこれる - メタデータ: [https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata](https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata) - `authorization_endpoint`: [[OAuth 2.0]]のAuthorization Endpoint - `token_endpoint`: [[OAuth 2.0]] Token Endpoint 実装例 - Google: [https://accounts.google.com/.well-known/openid-configuration](https://accounts.google.com/.well-known/openid-configuration)