Improve customer messaging with bulk SMS and rich social chats

Expanding your messaging strategy just got simpler. Nexmo’s Messages API is a gateway to Nexmo's secure bulk SMS service and popular social chats apps. Integrate the Messages API straight into your service or app, so you can communicate with your customers on whichever channel they love most. That, paired with rich features and instant results, makes for an engaging, cost-effective chat experience.

This API helps you to...

Offer cross-channel customer messaging

Let customers get in touch with you via the channel that’s most convenient for them, such as SMS, MMS and social chat apps.

Alert and notify your customer

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

Offer customers a secure login

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

How it works

With this API you go beyond your current channels without overhauling your messaging infrastructure. Get a more dynamic user experience with powerful features by providing and engaging user experience with images, audio, video, files, geo-location and events. Timestamps, delivery status, price and error states ensure provide detailed messaging results, while effortless message rerouting ensures optimum delivery – like GPS for your SMS.


Ensures safe access

Delivers time-limited, unique authorization codes with Passwordless Authentication.

Protects from fraud

Prevents expensive fraudulent transactions using up-to-date phone number intelligence with Fraud Detection and Step-Up Verification.

Eradicates spam

Blocks botnets and bulk account creation via frictionless phone verification for new users with Spam and Botnet Prevention.

What it costs

Pricing on request.