url_blocked

Target URL could not be fetched safely.

How to fix it

Use a public URL or send raw html instead.

{
  "error": {
  "type": "url_blocked",
  "message": "Target URL could not be fetched safely.",
  "doc_url": "https://ikwel.app/errors/url_blocked",
  "request_id": "req_9f3ab21"
  }
}