Product: Programmable SMS
Twilio is unable to process your Toll Free Verification request because it could not be validated by Twilio and could not be submitted for verification review.
The toll-free phone number cannot be verified because the email address is invalid. It could be due to:
- Incorrectly formatted email address
- Unknown email domain
- Email is a suspected disposable address
- Email is invalid
Correct the email address and resubmit the verification in Console via the Messaging Compliance API.
Forbidden message categories
Toll-Free best practices can be found at