curl --request POST \
  --url https://api.social-api.ai/v1/whatsapp/accounts/{id}/register \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '{}'

{
  "error": {
    "code": "resource.not_found",
    "message": "Account not found",
    "meta": {}
  }
}