diff --git a/modules/auth/oauthConnectTicket.py b/modules/auth/oauthConnectTicket.py
index f54187cb..55e0944d 100644
--- a/modules/auth/oauthConnectTicket.py
+++ b/modules/auth/oauthConnectTicket.py
@@ -29,6 +29,25 @@ _msg = apiRouteContext("oauthConnectTicket")
 
 _CONNECT_TICKET_TTL_SEC = 600
 
+# OAuth providers sometimes redirect to the API root if the app redirect URL omits the path.
+OAUTH_FLOW_CALLBACK_PATHS: Dict[str, str] = {
+    "clickup_connect": "/api/clickup/auth/connect/callback",
+    "msft_connect": "/api/msft/auth/connect/callback",
+    "google_connect": "/api/google/auth/connect/callback",
+}
+
+
+def oauth_callback_redirect_path(state: str) -> str | None:
+    """Map connect-ticket JWT (OAuth ``state`` param) to the correct callback route."""
+    try:
+        data = jose_jwt.decode(state, SECRET_KEY, algorithms=[ALGORITHM])
+    except JWTError:
+        return None
+    flow = data.get("flow")
+    if not isinstance(flow, str):
+        return None
+    return OAUTH_FLOW_CALLBACK_PATHS.get(flow)
+
 
 def issue_connect_ticket(flow: str, connection_id: str, user_id: str) -> str:
     """Issue a short-lived JWT for starting a data-connection OAuth popup."""