Unlike Postman V1 (Legacy Postman), agencies will no longer need to submit the SMS onboarding form. Please directly apply for an account with Twilio, and work with them to have your registered sender IDs tagged to your accounts.
Postman does not manage Twilio accounts on behalf of agencies.
Before creating a Twilio account
You will need the following before signing up for a Twilio account:
Email address: This email address will be associated with the Twilio account that you are signing up for
Mobile Number: This number will be receiving security codes required when logging into your Twilio account.