Krishprajapati15/vonage-api.md

## vonage-api.md

      
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              vonage-api.md
            
          
    Vonage: The All-in-One API Platform for Communication

Vonage (formerly Nexmo) offers a powerful, flexible suite of APIs that enable developers to add real-time communication—voice, video, messaging, and more—into any application. With global reach and robust reliability, Vonage’s platform is trusted by businesses of all sizes for scalable customer engagement, two-factor authentication, notifications, and more.

🚀 Key Features


SMS, Voice, and Video APIs – Send SMS globally, make/receive phone calls, and embed live video with just a few lines of code.
Messaging APIs – Integrate with WhatsApp, Facebook Messenger, Viber, MMS, and more.
Number Insight – Instantly validate and enrich phone numbers for fraud prevention and better user experience.
Verify API – Simple, secure two-factor authentication (2FA) via SMS, voice, or branded messages.
Conversations API – Build multi-channel, persistent conversations with a unified API.
WebSockets and SIP – Advanced features for integrating with VoIP systems and real-time apps.
Global Scalability & Reliability – Enterprise-grade platform with coverage in 190+ countries, high uptime, and compliance.


🛠️ How to Use Vonage APIs


Sign Up & Get API Keys

Create a free account at dashboard.nexmo.com.
Get your API key and secret from the dashboard.


Install the SDK

Vonage provides official SDKs for Node.js, Python, Java, PHP, .NET, and more.
Example for Node.js:
npm install @vonage/server-sdk


Send an SMS Example (Node.js)
const { Vonage } = require('@vonage/server-sdk');

const vonage = new Vonage({
  apiKey: process.env.VONAGE_API_KEY,
  apiSecret: process.env.VONAGE_API_SECRET
});

vonage.sms.send({
  to: "RECIPIENT_NUMBER",
  from: "VonageAPI",
  text: "Hello from Vonage SMS API!"
})
.then(resp => console.log(resp))
.catch(err => console.error(err));


Add Voice Calling

Make outbound or receive inbound calls, record calls, connect to SIP endpoints, and more.
Example: Voice API Quickstart


Enable Two-Factor Authentication

Use the Verify API to send OTPs for login or sensitive actions.


Use Webhooks

Set up publicly accessible endpoints to handle delivery reports, inbound messages, and call events.


💡 When to Use Vonage


Transactional SMS: Send alerts, reminders, or OTPs worldwide.
Customer Support: Add voice or video calls to your app for seamless support.
Multi-channel Messaging: Engage users on their favorite chat apps.
User Verification: Add simple, secure 2FA to protect user accounts.
Global Communication: Expand your app’s reach with reliable SMS and voice in 190+ countries.
Real-Time Collaboration: Build chat, video, and conversation features for your SaaS or platform.


🖥️ Example: Verifying a User with Verify API (Node.js)

const { Vonage } = require('@vonage/server-sdk');

const vonage = new Vonage({
  apiKey: process.env.VONAGE_API_KEY,
  apiSecret: process.env.VONAGE_API_SECRET
});

vonage.verify.start({
  number: "RECIPIENT_NUMBER",
  brand: "YourApp"
})
.then(resp => console.log(resp))
.catch(err => console.error(err));

📚 Resources


Vonage Developer Portal
Vonage GitHub
API Reference
Quickstarts & Tutorials


Learn more at vonage.com
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