diff --git a/services%2Fsso.md b/services%2Fsso.md
index 2c7e79d..3c05967 100644
--- a/services%2Fsso.md
+++ b/services%2Fsso.md
@@ -18,3 +18,8 @@ Those with strikeout can't or shouldn't be able to use SSO to enter.
 - [ ] - ~~Passit~~
 - [ ] - PrivateBin
 - [ ] - Rallly
+
+### How to integrate
+
+Matrix/Synapse
+ - https://matrix-org.github.io/synapse/latest/openid.html
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