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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
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Explore Vonage AI Studio!

Design, create, and deploy customer engagement experiences with a low-code conversation design tool that operates in natural language.

Explore Vonage AI Studio!

Design, create, and deploy customer engagement experiences with a low-code conversation design tool that operates in natural language.

Learn more

See how our SMS API helps businesses like yours succeed.


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
  • Ensure conversations and transactions between parties stay on your platform
  • Leverage your control of the conversation
  • Perform analysis and generate new insights for your business

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.
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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, localize, and more

  • Works with any phone number—noo additional hardware or apps required

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


Reports API puts you in control of customer communications data

Flexible reporting for SMS 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

  • Create your own dashboard based on CDR data


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

Improve the delivery of your messages with a local presence, increased throughput and SPAM protection for your end users. Learn more

Dedicated Short Codes

Distinguish yourself with a recognizable Sender ID and increase your speed to market. Learn more

Toll Free Numbers

Achieve branded communication by using a toll-free number to send and receive SMS and voice calls. Learn more

Opt-Out Assist

Eliminate the burden of managing requirements, user opt-outs and lists with built in compliance. Learn more

Adaptive routing™

Optimize delivery by proactively re-routing messages around congestion.

Global Compliance Engine

Minimize unpredictable delivery by removing the complexity of global carriers and regulations. Learn more

Fraud Defender

Protect your revenue and reputation with real-time alerting and automatic blocking of suspicious traffic. Learn more
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Traffic Control

Submit burstable and high-rate SMS traffic and have it delivered at a controlled rate.

Learn how key industries are using Vonage APIs today

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US toll-free number: 1-844-365-9460
Outside the US: Local Numbers