Materials Main RFC 7662 (OAuth 2.0 Token Introspection) RFC 7009 (OAuth 2.0 Token Revocation) OAuth2 Token Introspection redirect page OAuth2 Docs RFC 6749 (OAuth 2.0 Authorization Framework) RFC 8252 (OAuth 2.0 for native apps) Additional RFC 6750 The OAuth 2.0 Authorization Framework: Bearer Token Usage RFC 3986 URI RFC 2119 Keywords in rfc RFC 2617 HTTP Basic authentication Article on SSO & OAuth Article on OAuth in application Article on Token Introspection Existing implementations Spring security Light OAuth2 OAuth2 Essentials Google OAuth Java Client