diff --git a/api/simqueue/resources/for_users.py b/api/simqueue/resources/for_users.py
index fd78b57..6db70b2 100644
--- a/api/simqueue/resources/for_users.py
+++ b/api/simqueue/resources/for_users.py
@@ -26,7 +26,7 @@
     SessionStatus,
 )
 from ..data_repositories import SourceFileDoesNotExist, SourceFileIsTooBig, EBRAINSDrive
-from .. import db, oauth, utils
+from .. import db, oauth, utils, settings
 from ..globals import PROVIDER_QUEUE_NAMES
 
 logger = logging.getLogger("simqueue")
@@ -86,6 +86,11 @@ def about_this_api():
         "about": "This is the EBRAINS Neuromorphic Computing Job Queue API.",
         "version": "3",
         "links": {"documentation": "/docs"},
+        "authentication": {
+            "server": settings.EBRAINS_IAM_SERVICE_URL,
+            "client-id": settings.EBRAINS_IAM_CLIENT_ID,
+            "collaboratory": settings.EBRAINS_COLLAB_SERVICE_URL,
+        },
     }
 
 
diff --git a/api/simqueue/tests/test_auth_router.py b/api/simqueue/tests/test_auth_router.py
index faf9c1f..0f78f53 100644
--- a/api/simqueue/tests/test_auth_router.py
+++ b/api/simqueue/tests/test_auth_router.py
@@ -10,6 +10,11 @@ def test_read_main():
     assert response.status_code == 200
     assert response.json() == {
         "about": "This is the EBRAINS Neuromorphic Computing Job Queue API.",
+        "authentication": {
+            "client-id": None,
+            "collaboratory": "https://wiki.ebrains.eu/rest/v1/",
+            "server": "https://iam.ebrains.eu/auth/realms/hbp",
+        },
         "version": "3",
         "links": {"documentation": "/docs"},
     }