Built for developers

Everything you need to integrate ContactWise messaging APIs into your application. Clean documentation, comprehensive SDKs, and excellent developer experience.

Quick start guide

Get up and running with ContactWise in under 5 minutes

1. Get Your API Key

Sign up and get your API key from the dashboard

# Your API key will look like this:
API_KEY=cw_live_1234567890abcdef...
2. Install SDK

Install the ContactWise SDK for your preferred language

npm install @contactwise/node
# or
pip install contactwise
# or
composer require contactwise/php
3. Send Your First Message

Send an SMS with just a few lines of code

import { ContactWise } from '@contactwise/node';

const client = new ContactWise('YOUR_API_KEY');

const result = await client.sms.send({
  to: '+919876543210',
  message: 'Hello from ContactWise!',
  senderId: 'CNTCTW'
});

console.log('Message sent:', result.messageId);

Official SDKs & Libraries

Use ContactWise in your favorite programming language with our official SDKs

Node.js
1.2K

Official Node.js SDK with TypeScript support

v2.1.050K+ downloads
npm install @contactwise/node
Python
890

Python SDK with async/await support

v1.8.035K+ downloads
pip install contactwise
PHP
650

PHP SDK compatible with Laravel and Symfony

v1.5.025K+ downloads
composer require contactwise/php
Java
420

Java SDK for Spring Boot and enterprise applications

v1.3.020K+ downloads
implementation 'com.contactwise:java-sdk:1.3.0'
C#/.NET
380

.NET SDK for modern C# applications

v1.2.015K+ downloads
dotnet add package ContactWise.SDK
Go
290

Go SDK for high-performance applications

v1.1.012K+ downloads
go get github.com/contactwise/go-sdk

API Status & Uptime

Real-time status of all ContactWise services and APIs

All Systems Operational

Last updated: 14/7/2025, 4:37:36 pm

SMS API
Operational
99.98%
Uptime
42ms
Response
WhatsApp API
Operational
99.95%
Uptime
48ms
Response
RCS API
Operational
99.92%
Uptime
45ms
Response
Webhooks
Operational
99.99%
Uptime
25ms
Response
Analytics API
Operational
99.89%
Uptime
38ms
Response
Overall System Health: 99.95%

Subscribe to status updates at status.contactwise.dev

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