Messages API features
Our Messages API has all-inclusive features to create a richer, more meaningful customer experience, interactivity with SMS, MMS, RCS, social chat apps, and more.
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The most-loved Messages API features on our powerful platform.
Single event callback
Get detailed messaging results, including timestamps, delivery status, price and error states.
Rich media
Provide an engaging user experience with images, audio, video, files, geolocation and events.
Adaptive routing™
Enjoy effortless message rerouting that guarantees optimum delivery — like GPS for your SMS.
Messages API Sandbox
Easily develop and test anything you want to build with WhatsApp, Viber Service Messages or Facebook Messenger with our Messages API Sandbox feature. Sign up
Signed Callbacks
Secure your applications against malicious activity by adding authentication and message validation to incoming messages.
Fraud Defender
Protect your revenue and reputation with real-time alerting and automatic blocking of suspicious SMS traffic. Learn moreEnrich the SMS experience for faster communication.
Simple formatting
Format your message once — and we’ll make sure it works for any social app or SMS text.
Client ref identifier
Tag messages with a client ref identifier for advanced tracking.
Same callback behaviour
We simplify callback behaviour by formatting consistently across all types of social chat app results.
Security
Protect sensitive customer data with Vonage API calls, secured by JWT authentication.Maximise your reach with reliable deliverability.
Number pools
Secure a pool of local sender IDs so no one else can use them to message your clients.
Short codes
Short codes make your messages simpler and more memorable.
Advanced encoding
Automatic Unicode translation gives your customers the best — and most emoji-filled — experience possible.
Number fallback
Guarantees high deliverability, even if your user’s carrier doesn’t accept short code SMSs.
Local number ID
Local numbers in 76 countries make it easy to receive and reply to messages for free.
Persistent sender ID
Streamline the messaging experience by using one phone number per person.
Two-way messaging
Virtual numbers allow your customers to reply to messages for an interactive, chat-like experience.
Programmable phone numbers
Unmatched coverage for instantly provisioning phone numbers in any location.
Rich Communication Services
Enable 2-way personalized conversations & marketing at scale with branded messages. Learn moreStay compliant around the world.
Queuing
Queue high-volume messaging campaigns automatically in accordance with each carrier’s regulations.
Concatenation
Automatically splits and seamlessly reassembles longer text messages according to carrier specifications.
Opt-Out Assist
Eliminate the burden of managing requirements, user opt-outs and lists with built in compliance. Learn moreManage your services easily.
Monitor
We’ll help you troubleshoot problems quickly and thoroughly.
Subaccounts
Additional secondary accounts help you organise multiple applications or services.
User permissions
Scale and assign permissions by user to avoid confusion and mix-ups at any level.
