• Is your business ready for the customer engagement revolution? Find out how channel preferences have changed for good.

    Get our new CX Report

Our SMS API extends your reach with powerful features

Our SMS API helps you create customer journeys through conversations — even within the context of your app.
Try it free
Laptop image with a still frame of a woman using a mobile app

See how our SMS API helps businesses like yours succeed.

Stylized illustration of a mobile phone with pop ups of a shield and verification code on the screen

Support secure text messaging

With private SMS communication, your users can seamlessly and safely book appointments, confirm deliveries and more.
  • Enable communication without compromising privacy
  • Create a safe space for conversations between your users
  • Make sure conversations and transactions between parties stay on your platform
  • Leverage your control of the conversation
  • Perform analysis and generate new insights for your business
Interlocking chat bubbles

Send the right message at the right time

Alert customers and give them an opportunity to reply or call back.
  • Deliver timely notifications about pending appointments and keep customers engaged
  • Automated notifications reduce costs, missed appointments, delivery attempts and more
  • Let customers confirm or reschedule from within a text — via SMS, MMS, social chat apps or voice
  • Strengthen customer relationships by creating “wow” moments with rich-media features



Try it free

Start developing now with free credit. No credit card required.
Screen grab of the API Developer Center showing code that can be copied for use.
illustration of blue and purple lock with keyhole

Verify API adds a layer of security

Validate users via their mobile devices with SMS and voice codes.

  • A single API offers a full two-factor authentication solution
  • Provide a phone number and we'll generate codes, localise, and more

  • Works with any phone number—no additional hardware or apps required

  • Pay only for successful conversions or a flat monthly fee for frequent logins

Stylized illustration of different graphs, tables, charts, and data

Reports API puts you in control of customer communications data

Flexible reporting for the SMS API traffic in one powerful API 

  • Intervene in failures to guarantee service

  • Test and measure campaigns

  • Uncover upsell and cross-sell opportunities

  • Take action in fraud and overage situations

  • Enhance end-user experience with advanced reporting

Stylized illustration of mobile phone with app screen open. Speech bubble pop up to represent messaging.

Make it easier for mobile users to discover your app

Invite website visitors to download your mobile app using SMS and an embedded link to your app-store page

  • When your website detects a mobile visitor, it promotes your app, improving adoption

  • Interested mobile visitors can download your app easily via a link in a text message

10 DLC

Provide a higher quality of the delivery of your messages originating from long codes while continuing to protect end-users from unwanted messages. (For messages sent to USA numbers only.) Learn more

Dedicated Short Codes

We work directly with you to procure unique short codes. With a recognisable sender ID, you’ll be distinguished in the marketplace — and increase your speed to market. Learn more

Freephone Numbers

Achieve branded communication by using a freephone number to send and receive SMS and voice calls.

Adaptive routing™

Optimise delivery by re-routing messages proactively around congestion.

Global compliance engine

Minimise unpredictable delivery by removing the complexity of global carriers and regulations.

Outbound network

Connect with virtually anyone in the world via a single API, completely hassle free.

Learn how key industries are using Vonage APIs today


Contact a Vonage expert.

We'll get back to you shortly.