diff --git a/research/research.md b/research/research.md
index c57bc40..82d61eb 100644
--- a/research/research.md
+++ b/research/research.md
@@ -10,6 +10,9 @@ See: https://dbdiagram.io/d/5e769ab14495b02c3b88936f
 ## Flowchart
 [Open flowchart with diagrams.net](https://app.diagrams.net/#Uhttps://git.armada.digital/rui/meeting-scheduler-backend/raw/commit/53c94900cbedcbfccee4050c232956aebe16b083/research/meetingscheduler.drawio)
 
+## API endpoints
+[See all API endpoints](https://git.armada.digital/rui/meeting-scheduler-backend/src/branch/master/research/API%20Documentation.md)
+
 ## How to deal with date and time in PostgreSQL?
 - use `datetime` datatype without timezone (datetime with timezone is using offset, which doesn't work well with DST)
 - store datetime in UTC