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AttentionTo 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.

AttentionTo 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.

SMS Quickstart

SMS Sample Apps

MMS Quickstart

MMS Sample Apps

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Up to 1 Million Messaging API calls per month are included when you upgrade to Premium Access

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Broadcast up to 50 recipients per API call

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Easily add images, audio, and video to your messages with out short code MMS API

Want to learn more? Dive into the SMS or MMS documentation, read the FAQs or check out the pricing.

  • Developers love using the AT&T SMS API!
    "The AT&T SMS API fit our needs perfectly. We cut our development time by 25%."

    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.
  • Ready to Get Started?

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  • Still have questions? 

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    Contact Support

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