`billing_setup_required`

HTTP 403permission_error

All free deliveries are used. To keep sending, move to Pay-as-you-go and add a card in the portal.

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": "billing_setup_required",
    "message": "All free deliveries are used. To keep sending, move to Pay-as-you-go and add a card in the portal.",
    "param": null,
    "request_id": "req_5e69684dc3de68bf8651a712"
  }
}