engine_unreachable

Runtime unreachable · HTTP 502

What causes this

The integration runtime behind the proxy could not be reached. This is our side, not yours.

How to fix it

Retry — this class is transient. Quote the request_id if it persists.

What the response looks like

{
  "error": {
    "code": "engine_unreachable",
    "status": 502,
    "message": "…",
    "hint": "…",
    "request_id": "req_…",
    "docs_url": "https://cloud.ngentix.ai/docs/errors/engine_unreachable"
  }
}

Quote the request_id if you contact support — it identifies your exact request in our logs.