session_check_failed

Session could not be verified · HTTP 503

What causes this

The session token was well-formed but could not be checked against the database, usually a transient storage problem on our side.

How to fix it

Retry. If it persists, quote the request_id from the response body when you contact support.

What the response looks like

{
  "error": {
    "code": "session_check_failed",
    "status": 503,
    "message": "…",
    "hint": "…",
    "request_id": "req_…",
    "docs_url": "https://cloud.ngentix.ai/docs/errors/session_check_failed"
  }
}

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