Developer Preview

Richer messaging, broader reach.

Increase engagement and optimize costs with easy-to-integrate SMS and social chat apps.

Try It FreeContact Sales

The single API that’s all about diversification.

Expanding your messaging strategy just got simpler. Nexmo’s Messages API integrates with SMS and popular social chat apps—so you can communicate with your customers on whichever channel they love most. That, paired with rich features and instant results, makes for one engaging, cost-effective chat experience.

Messaging Channels Available

Send messages through SMS and social channels with a single API.

Viber Service Messages
MMS (coming soon)
WeChat (coming soon)
RCS (coming soon)

Robust communication. Lean implementation.

Go beyond your current channels without overhauling your messaging infrastructure.

Multiply your messaging strategy with one API.

Access the social channels your customers prefer, such as WhatsApp, Facebook Messenger, and Viber—minus the hassle of managing multiple APIs.

Enjoy a cost-effective chat experience.

Leverage our network to reduce messaging costs. Both you and your customers will have the freedom to message using the channels with the lowest cost to you.

Get instant access to valuable delivery insights.

Optimize your messaging delivery strategy with our Workflows API. Flexible logic, real-time insights, and reliable failover provide a cost-effective delivery solution.

Captivate users with ultra-rich communication.

Our API supports native app features and multimedia messaging—including video, audio, and geo-location—so your brand can deliver a more engaging user experience.

See how our Messages API helps businesses like yours make contact.

Customer Support

Let customers get in touch with you on the channel that’s most convenient for them.

Alerts and Notifications

Use notifications to send timely, well-targeted SMS messages that surprise and delight your users. (Think booking confirmations and reminders.)

Two-Factor Authentication

With convenient two-factor authentication, users can log in without having to memorize passwords or use an extra app.

Discover more ways our Messages API can help you make better business decisions.

See All Use Cases

Get a more dynamic user experience with powerful features.

Single Event Callbacks

Get detailed messaging results, including timestamps, delivery status, price, and error states.


Protect sensitive customer data with Nexmo API calls, secured by JWT authentication.

Adaptive Routing™

Enjoy effortless message rerouting that ensures optimum delivery—like GPS for your SMS.
See All Features

Save on messaging costs for business and customers alike.

Plus, only pay for the channels you use.

See Pricing Details

Let's build something great together.

Try It FreeContact Sales