diff --git a/OpenID-Connect----OAuth2.md b/OpenID-Connect----OAuth2.md
new file mode 100644
index 0000000..5781264
--- /dev/null
+++ b/OpenID-Connect----OAuth2.md
@@ -0,0 +1,11 @@
+EGroupware 19.1+ comes with an OpenID Connect / OAuth2 server integrated.
+
+This page describes how to authenticate and (optionally) integrate other applications using it.
+
+### Supported endpoints
+* Authorization: https://example.org/egroupware/openid/endpoint.php/authorize
+* Token: https://example.org/egroupware/openid/endpoint.php/access_token
+* Token Introspection: https://example.org/egroupware/openid/endpoint.php/introspect
+* User information: https://example.org/egroupware/openid/endpoint.php/userinfo
+* Public key: https://example.org/egroupware/openid/endpoint.php/jwks
+> Replace example.org with the full qualified domain-name your EGroupware server uses.