Documentation/Errors

invalid_url

Webhook URLs must be public HTTPS URLs; localhost and private addresses are rejected.

HTTP status	400
Error type	`invalid_request_error`
Retry	No. Fix the request.

Response shape

{
  "error": {
    "type": "invalid_request_error",
    "code": "invalid_url",
    "message": "…",
    "doc_url": "https://docs.borga.is/errors/invalid_url",
    "request_id": "req_…"
  }
}

See all error codes and how to handle them.