The Authy API consists of a number of endpoints. Here are a number of quickstarts we've built for various account security implementations.
You can clone and run our demo app repo which uses polling to implement OneTouch. This full-stack implementation demonstrates both Authy 2FA and Phone Verification.
You can also clone our cURL API repo which implements all features of the Authy APIs. We've included a Postman collection and environment as well.