If you are new to Heroku, you may need to enter a credit card and verify your account information via SMS when adding the Twilio SendGrid add-on. If you do not already have a Heroku application where you intend to use Twilio SendGrid, create one on the Heroku Apps page. See Heroku’s Getting Started guides for more. Provisioning the add-on Once you have a Heroku app, you can navigate to the Heroku