To help protect AT&T subscribers against improper messaging activity, the SMS and MMS APIs require
Premium Access and special permission before they can be used.
Send a message with a single line of code
Our RESTful APIs make sending SMS & MMS short code messages a snap.
To look under the hood, try our Sample Apps or Quickstart guide.
Up to 1 Million Messaging API calls per month are included when you upgrade to Premium Access
Broadcast up to 50 recipients per API call
Easily add images, audio, and video to your messages with out short code MMS API
Developers love using the AT&T SMS API!
— Chas Ramer, CEO of Street Savings
Short code messaging is one of the easiest ways to increase user engagement, improve customer service, and drive more sales. Use the AT&T Messaging APIs for SMS and MMS to:
- Send alerts & reminders
- Help keep your users on track with well-timed, targeted texts.
- Offer promotions
- Send your most loyal customers exclusive, limited-time deals.
- Get instant feedback
- Poll your customers about important issues.
Choose the right API for your app View all APIs
Add seamless messaging
to your apps
Let your users text
friends & family
Display in-app ads