Seamlessly Engage with your FirstNet Subscribers
The API can be used for Shortcode Message Service giving you an easy way to keep in touch with the users of your app. Poll your users to know what they think about the new version you just released or get early feedback on that feature you are thinking about. Use the API to send them exclusive offers or to verify their identity during authentication.
Pay Nothing for It
Access to the API is free after you complete the Free Access form and it is approved by AT&T. The Free Access approval also gives you up to 1 million messaging API calls per month to use for free.
Anti-Spam, Secure Platform
AT&T SMS API runs on AT&T’s secure messaging platform that guards against spamming while securely delivering your messages to the intended subscribers.