I have the following from the application registration process:
Authorization Endpoint:* 
https://w3id.alpha.sso.ibm.com/isam/oidc/endpoint/amapp-runtime-oidcidp/authorize
Token EndPoint:* 
https://w3id.alpha.sso.ibm.com/isam/oidc/endpoint/amapp-runtime-oidcidp/token
Introspection EndPoint:* 
https://w3id.alpha.sso.ibm.com/isam/oidc/endpoint/amapp-runtime-oidcidp/introspect
Regarding the PHP oxd library, from what I can tell, that's just an API interface to enable PHP to interact with oxd, its not the actual oxd mediator service, correct?   T