Messaging API

Messaging API

Send and receive text messages anywhere in the world in minutes with our easy-to-use messaging API

The QuestBlue Messaging API

An API for every messaging use case you can dream up.


Embed programmable messaging directly into your applications or software with SMS APIs built with the enterprise in mind.

Toll-Free SMS

Get more out of your toll-free numbers with high-volume messaging that gives you the most delivery insight available.

Group Messaging API

Enable amazing user experiences with the first and only group messaging API—no additional plug-ins necessary.

Local A2P Messaging

Give your local number the power to reach millions—reliably—over new 10DLC carrier routes.


Send images, videos, audio, emojis, and GIFS with a powerful, flexible API that won’t limit your users.

Short Codes

Send high-volume messages like alerts, notifications, and verifications directly to your customers.

Send messages they will see instantly

Reach users at scale wherever they are in the world, with triggered SMS alerts to keep them informed when it counts.

Who’s innovating with QuestBlue Messaging?

Software leaders, Fortune 1,000 enterprises, and even the largest messaging aggregators trust us to deliver their texts.


Integrate SMS, MMS, and Toll-Free SMS directly into your application or software, giving your product the power of messaging.


Save time and handle your contact center calls via a quick text. Leverage your current toll-free or business line via our SMS API to engage with customers where and how they want.


Easily text-enable your numbers for business SMS/MMS to provide a complete, unified communications experience for your customers from a single, innovative carrier.

Don't take our word for it. Test drive our API for Free

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