Your service does not have access to this feature.
HTTP status: 403
You attempted to use a premium feature, but this feature is not enabled in your Service. Further authorization required.
If you are looking to use custom verification codes, you must first select the Enable Custom Verification Code option on your Verify service via the Twilio Console. Learn more.
If you are looking to use a custom friendly name, contact Twilio Sales to have this feature enabled.