diff --git a/src/db/crud.py b/src/db/crud.py
index 97dacf3..ddd0412 100644
--- a/src/db/crud.py
+++ b/src/db/crud.py
@@ -104,6 +104,9 @@ def create_tag(db: Session, tag: str):
         db.refresh(db_tag)
     return db_tag
 
+def is_active_user(db: Session, email: str) -> bool:
+    email = email.lower()
+    return len(email) and db.query(models.User).filter(models.User.email == email).count() > 0
 
 def is_user_in_group(db: Session, group_name: str, email: str) -> models.Group:
     if email == ALLOW_ANY_EMAIL: return True
diff --git a/src/db/schemas.py b/src/db/schemas.py
index 2f04462..aa9abd7 100644
--- a/src/db/schemas.py
+++ b/src/db/schemas.py
@@ -53,4 +53,7 @@ class TaskResult(Task):
     result: str
 
 class TaskDelete(Task):
-    deleted: bool
\ No newline at end of file
+    deleted: bool
+
+class ActiveUser(BaseModel):
+    active: bool
\ No newline at end of file
diff --git a/src/endpoints/default.py b/src/endpoints/default.py
index 269fa3f..a294fda 100644
--- a/src/endpoints/default.py
+++ b/src/endpoints/default.py
@@ -5,7 +5,7 @@ from sqlalchemy.orm import Session
 
 from core.config import VERSION, BREAKING_CHANGES
 from core.logging import log_error
-from db import crud
+from db import crud, schemas
 from db.database import get_db_dependency, get_db
 from web.security import get_user_auth, bearer_security
 
@@ -30,6 +30,11 @@ async def health():
     return JSONResponse({"status": "ok"})
 
 
+@default_router.get("/user/active", summary="Check if the user is active and can use the tool.", response_model=schemas.ActiveUser)
+async def active(db: Session = Depends(get_db_dependency), email=Depends(get_user_auth)):
+    return {"active": crud.is_active_user(db, email)}
+
+
 @default_router.get("/groups", response_model=list[str])
 def get_user_groups(db: Session = Depends(get_db_dependency), email=Depends(get_user_auth)):
     return crud.get_user_groups(db, email)
diff --git a/src/tests/db/test_crud.py b/src/tests/db/test_crud.py
index daad766..edd9abf 100644
--- a/src/tests/db/test_crud.py
+++ b/src/tests/db/test_crud.py
@@ -293,6 +293,15 @@ def test_create_tag(db_session):
     assert second_tag.id == "tag-102"
     assert db_session.query(models.Tag).count() == 2
 
+def test_is_active_user(test_data, db_session):
+    from db import crud
+
+    assert crud.is_active_user(db_session, "") == False
+    assert crud.is_active_user(db_session, "example.com") == False
+    assert crud.is_active_user(db_session, "unknown@example.com") == False
+    assert crud.is_active_user(db_session, "rick@example.com") == True
+    assert crud.is_active_user(db_session, "RICK@example.com") == True
+
 
 def test_is_user_in_group(test_data, db_session):
     from db import crud
diff --git a/src/tests/endpoints/test_default.py b/src/tests/endpoints/test_default.py
index b840260..b5e2e77 100644
--- a/src/tests/endpoints/test_default.py
+++ b/src/tests/endpoints/test_default.py
@@ -2,6 +2,8 @@ from unittest.mock import AsyncMock, patch
 from fastapi.testclient import TestClient
 import pytest
 from core.config import VERSION
+from tests.db.test_crud import test_data
+
 
 
 def test_endpoint_home(client_with_auth):
@@ -44,6 +46,24 @@ def test_endpoint_health(client_with_auth):
     assert r.json() == {"status": "ok"}
 
 
+def test_endpoint_active_no_auth(client, test_no_auth):
+    test_no_auth(client.get, "/user/active")
+
+
+def test_endpoint_active_true_user(client_with_auth):
+    r = client_with_auth.get("/user/active")
+    assert r.status_code == 200
+    assert r.json() == {"active": True}
+
+def test_endpoint_active_true_user(client_with_auth, db_session):
+    from db import models
+    db_session.query(models.User).delete()
+    db_session.commit()
+    r = client_with_auth.get("/user/active")
+    assert r.status_code == 200
+    assert r.json() == {"active": False}
+
+
 def test_endpoint_groups_no_auth(client, test_no_auth):
     test_no_auth(client.get, "/groups")
 
@@ -79,9 +99,6 @@ def test_favicon(client_with_auth):
     assert r.headers["content-type"] == "image/vnd.microsoft.icon"
 
 
-from tests.db.test_crud import test_data
-
-
 @pytest.mark.asyncio
 async def test_prometheus_metrics(test_data, client_with_auth, get_settings):
     # before metrics calculation
@@ -117,4 +134,4 @@ async def test_prometheus_metrics(test_data, client_with_auth, get_settings):
     assert 'database_metrics{query="count_users"} 4.0' in r3.text
     assert 'database_metrics_counter_total{query="count_by_user",user="rick@example.com"} 34.0' in r3.text
     assert 'database_metrics_counter_total{query="count_by_user",user="morty@example.com"} 33.0' in r3.text
-    assert 'database_metrics_counter_total{query="count_by_user",user="jerry@example.com"} 33.0' in r3.text
\ No newline at end of file
+    assert 'database_metrics_counter_total{query="count_by_user",user="jerry@example.com"} 33.0' in r3.text