https://oa.dnc.global/More-about-Introspection.html In the absence of a stable standard, the Brent Shaffer's oauth2-server-php library lacks an Introspection Endpoint. OAuthSD, like many Authorization Servers, implements its own OpenID Connect Introspection controller. It has been developed "above" the library. What could be a "minimal and compatible implementation" of the Introspection Controller for the library? Before going into coding, let's examine the RFC 7662 OAuth 2.0 Token Introspection Draft. About the necessity for the (…) en SPIP - www.spip.net https://oa.dnc.global/local/cache-vignettes/L144xH145/arton127-8a122.png?1794175923 https://oa.dnc.global/More-about-Introspection.html 145 144