diff --git a/backend/.env.example b/backend/.env.example
index f7f7117..4da92c7 100644
--- a/backend/.env.example
+++ b/backend/.env.example
@@ -10,6 +10,7 @@ ISSUER_BASE_URL=https://auth.chalmers.it
 BASE_URL=http://localhost:8080
 CLIENT_ID=[client id]
 CLIENT_SECRET=[client secret]
+API_KEY=[api-key id]:[api-key] # pre-shared token
 SECRET=some_random_long_string
 
 REDIS_HOST=localhost