diff --git a/kong/llm/schemas/init.lua b/kong/llm/schemas/init.lua
index 7aaaf19b38ef5..9dc68f16db8ad 100644
--- a/kong/llm/schemas/init.lua
+++ b/kong/llm/schemas/init.lua
@@ -19,6 +19,9 @@ local gemini_options_schema = {
         description = "If running Gemini on Vertex, specify the location ID.",
         required = false }},
   },
+  entity_checks = {
+    { mutually_required = { "api_endpoint", "project_id", "location_id" }, },
+  },
 }