`contact_change_suppressed`

HTTP 422invalid_request

The corrected e-mail address or phone number is on the block list (it bounced before, or the recipient marked e-mail as spam), so the invitation would not reach it. Check the address.

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": "invalid_request",
    "code": "contact_change_suppressed",
    "message": "The corrected e-mail address or phone number is on the block list (it bounced before, or the recipient marked e-mail as spam), so the invitation would not reach it. Check the address.",
    "param": null,
    "request_id": "req_5e69684dc3de68bf8651a712"
  }
}