curl --request GET \
  --url http://localhost:8080/langchain/v1/models

{
  "object": "list",
  "data": [
    {
      "id": "<string>",
      "object": "model",
      "owned_by": "<string>",
      "created": 123,
      "active": true,
      "context_window": 123
    }
  ]
}