11100: Invalid URL format

The format of the provided URL is invalid.

• Bad URL for phone number configuration
• Bad URL passed to outgoing call REST request
• Bad URL in Play or Redirect Verb Body
• Bad URL provided for a verb's action attribute

Make sure you submit a fully qualified URL including:

• protocol (http:// or https://)
• hostname
• file path
• properly url-encoded query parameters

Twilio must be able to reach this URL over the public Internet.