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GeezerVison is showing developer.vonage.com — Vonage API Developer

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Vonage Developer Center
Communication & Network APIs

Video

Voice

Messaging

Network Features

Low Code and AI

Privacy and Security

Person in front of laptop participating in a video conference call.

Video

Integrate real-time video into web, desktop, mobile and IoT apps with our powerful Video API or the extremely low-code Meetings API.

Embed real-time, high-quality video in web and mobile apps
Client libraries for web, mobile, and desktop platforms
Server-side SDKs
Encryption support
Easy to migrate from Twilio to Vonage
Embed real-time, high-quality video in web and mobile apps
Client libraries for web, mobile, and desktop platforms
Server-side SDKs
Encryption support
Easy to migrate from Twilio to Vonage
Illustration of two people meeting at an open door, shaking hands, and symbolizing the beginning of a new relationship.

Migrate from Twilio to Vonage Unified Video

Interested in migrating your video solution from Twilio to Vonage? Explore our migration guides.

Unified Video
An illustration of a mobile phone running a video conferencing app with four tiles showing attendees. Controls supporting screen sharing, video, and audio are displayed at the bottom of the screen.

Create a video chat app

In this tutorial you will learn the basic concepts of the Vonage Video API platform, including how users can communicate through video, voice, and messaging.

Unified Video

Video REST API

Basic API Functionality

Client SDKs

Server SDKs

Reference App

Video REST API

Basic API Functionality

Client SDKs

Person at desk talking on mobile phone.

Voice

Vonage Voice APIs allow you to connect people around the world and automate voice interactions using AI technologies.

Send smart voice notifications
Create IVRs and Voice Bots
Speech to text and WebSockets
Text to Speech with over 50+ languages
Embed calls in web and mobile apps
Web & Mobile (iOS, Android) SDKs
Send smart voice notifications
Create IVRs and Voice Bots
Speech to text and WebSockets
Text to Speech with over 50+ languages
Embed calls in web and mobile apps
Web & Mobile (iOS, Android) SDKs
Illustration of a mobile phone with sound waves emanating from it, indicating audio playback.

Getting Started with the Vonage Voice API

The Vonage Voice API is the easiest way to build high-quality voice applications in the Cloud!

Voice
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Make an outbound call

This code snippet demonstrates how to make an outbound call and plays a text-to-speech message when the call is answered.

Voice

Voice API

SIP Trunking

In-app Voice

Voice API

SIP Trunking

In-app Voice

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Messaging

Vonage Messaging APIs are easy to set up and allow you to engage your customers via a diverse assortment of messaging channels.

Programmatic features
Client SDKs
Signed Callbacks
Easy set up
Diverse messaging channels
Programmatic features
Client SDKs
Signed Callbacks
Easy set up
Diverse messaging channels
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Understanding RCS Messaging

The Vonage Messages API RCS channel supports both outbound messaging (business to customer) and inbound messaging (customer to business).

Messages API
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WhatsApp Interactive Messages

Streamline interactions and improve end user experience with your customers using WhatsApp Interactive Messages.

Messages API

Messages API

SMS

RCS

WhatsApp

10 DLC API

Messages API

SMS

RCS

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Network Features

Vonage Network Features simplify access to multiple mobile networks, ensuring a seamless customer experience with optimal application portability.

Leverage mobile networks to unlock a host of new functionality
Powerful fraud prevention and detection capabilities
Streamlined registration experience
Built using CAMARA standards
Leverage mobile networks to unlock a host of new functionality
Powerful fraud prevention and detection capabilities
Streamlined registration experience
Built using CAMARA standards
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What are Vonage Network Features?

Vonage Network Features expose new functionalities of communications service providers' (CSPs) networks beyond SMS and Voice, leveraging mobile networks, including 5G, to put new network capabilities into the hands of developers.

Network Features
An illustration of a phone number displayed on a mobile phone screen. A magnifying glass is displayed over the phone number denoting support for number verification.

Vonage Identity Insights API

The Identity Insights API provides real-time access to a broad range of attributes related to the carrier, subscriber, or device associated with a phone number.

Network Features

Identity Insights

Location Retrieval

Identity Insights

Location Retrieval

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Low Code and AI

Vonage AI solutions empower developers to create and deploy customer engagement experiences that operate in natural language.

Build complex conversational flows
Easy-to-use drag-and-drop user interfaces to build flows
End-to-end omni-channel conversational marketing, engagement, and commerce
Reach customers on their preferred messaging channels
Build complex conversational flows
Easy-to-use drag-and-drop user interfaces to build flows
End-to-end omni-channel conversational marketing, engagement, and commerce
Reach customers on their preferred messaging channels
Illustration of an open laptop. Emanating out of the screen is a large circle containing a graphic with a graphic labeled, "AI." Four smaller circles are connected, each with a graphic symbolizing: Configuration, Messaging, Coding, and an AI robot.

Vonage AI Studio Overview

Vonage AI Studio is a low-code / no-code solution for building complex conversational flows via an easy-to-use drag-and-drop interface

Low Code and AI
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Vonage Conversational Commerce Overview

End-to-end omni-channel conversational marketing SaaS application enabling brands to reach customers on their preferred channel.

Low Code and AI

AI Studio

Conversational Commerce

AI Studio

Conversational Commerce

Illustration of a person sitting in front of a computer monitor with a security icon displayed on the screen.

Privacy and Security

Vonage APIs provide powerful tools to integrate privacy and security protections that prevent fraud and validate users.

Prevent fraud with two-factor authentication
Authenticate your end-users where they prefer
JWT authentication available
Real-time Monitoring
Fraud Notification
Prevent fraud with two-factor authentication
Authenticate your end-users where they prefer
JWT authentication available
Real-time Monitoring
Fraud Notification
An illustration of a mobile phone with a message displayed that reads, "Welcome back!" A shield with a checkmark emanating from the mobile phone symbolized authentication capabilities.

Verify API: Getting Started with Silent Authentication

Silent Authentication is a new method of using authentication for your users that relies on a cellular data connection from the users’ device to transmit authentication information.

Privacy and Security
An illustration of a mysterious, hooded person typing on a laptop symbolizes a bad actor attempting to commit fraud. A shield with a padlock graphic is emanating from the laptop symbolizing anti-fraud and security protections.

Vonage Fraud Defender Overview

Fraud Defender allows you to set rules to catch fraudulent traffic from phone numbers all from your Vonage API Dashboard.

Privacy and Security

Verify API

Fraud Defender

Number Insight

Verify API

Fraud Defender

Number Insight

Video

Person in front of laptop participating in a video conference call.

Video

Integrate real-time video into web, desktop, mobile and IoT apps with our powerful Video API or the extremely low-code Meetings API.

Embed real-time, high-quality video in web and mobile apps
Client libraries for web, mobile, and desktop platforms
Server-side SDKs
Encryption support
Easy to migrate from Twilio to Vonage
Embed real-time, high-quality video in web and mobile apps
Client libraries for web, mobile, and desktop platforms
Server-side SDKs
Encryption support
Easy to migrate from Twilio to Vonage
Illustration of two people meeting at an open door, shaking hands, and symbolizing the beginning of a new relationship.

Migrate from Twilio to Vonage Unified Video

Interested in migrating your video solution from Twilio to Vonage? Explore our migration guides.

Unified Video
An illustration of a mobile phone running a video conferencing app with four tiles showing attendees. Controls supporting screen sharing, video, and audio are displayed at the bottom of the screen.

Create a video chat app

In this tutorial you will learn the basic concepts of the Vonage Video API platform, including how users can communicate through video, voice, and messaging.

Unified Video

Video REST API

Basic API Functionality

Client SDKs

Server SDKs

Reference App

Video REST API

Basic API Functionality

Client SDKs

Voice

Messaging

Network Features

Low Code and AI

Privacy and Security

Learning Center

Most Popular

Video

Messaging

Verify Identity

Voice

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Ready to start building?

Create a free account now!

Experience seamless connectivity, real-time messaging, and crystal-clear voice and video calls—all at your fingertips.

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From developers for developers

Support with your ideas
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Events
Vonage Viewpoint
Dedicated experts
13 November 2026 -
14 November 2026

Michigan DevFest 2026

Join us on Friday, November 13th for an AI Hackathon followed by Michigan DevFest sessions on Saturday, November 14th at Hollywood Greektown Casino Hotel. With this year's DevFest, we aim to put together a great weekend of networking, innovation, and knowledge sharing for all involved.
17 November 2026 -
17 November 2026

Build Less, Sell more with Indie Hackers Barcelona - part of Vonage's BCN Tech Week

Do you have a product that works, but nobody buys it? Your product doesn't sell itself. Join Roger Baranera at AI Campus Barcelona for a session to take you from brainstorming and typing to acquiring and retaining clients.
18 November 2026 -
18 November 2026

Barcelona Tech Walk - part of Vonage's BCN Tech Week

We're building a different sort of networking event for members of the Tech and SaaS communities to get outside, meet new people, and enjoy some fresh air, while practicing mindful movement.
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