`key_holder_only`

HTTP 403permission_error

Only the person this key is bound to can change who sees the deliveries it sends.

Handling it

Fix the request and send it again. message says what is wrong, and param names the parameter where there is one. Keep the request_id: it lets Parasend find the request.

The error, as the API returns it

{
  "error": {
    "type": "permission_error",
    "code": "key_holder_only",
    "message": "Only the person this key is bound to can change who sees the deliveries it sends.",
    "param": null,
    "request_id": "req_5e69684dc3de68bf8651a712"
  }
}