diff --git a/dashboard_api_rev.py b/dashboard_api_rev.py
index b21dd1e..713455f 100644
--- a/dashboard_api_rev.py
+++ b/dashboard_api_rev.py
@@ -425,6 +425,20 @@ def inc_search(
         )
 
 
+@app.get("/webhook/inc-filter-options")
+def inc_filter_options():
+    # Dropdown options for the ticket explorer (engineers, clusters, open ticket ids).
+    try:
+        with get_conn() as conn:
+            with conn.cursor() as cur:
+                cur.execute("SELECT reporting.fn_inc_filter_options()")
+                payload = cur.fetchone()[0] or {}
+        return JSONResponse(payload)
+    except Exception:
+        log.exception("inc-filter-options failed")
+        return JSONResponse({"owners": [], "clusters": [], "open_ticket_ids": []})
+
+
 # ── Fleet trips (#002) ───────────────────────────────────────────────────────
 
 _FILTER_OPTIONS_SQL = """