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Build WhatsApp Chatbot with Node.js

Complete developer tutorial for building WhatsApp chatbots with Node.js. SDK installation, code examples, and deployment guide.

Features

Key capabilities

What makes this solution powerful

Official Node.js SDK

Install our npm package and start building in minutes. TypeScript support included.

Code Examples

Copy-paste examples for common use cases: sending messages, handling webhooks, media uploads.

Webhook Handlers

Express.js middleware for handling incoming messages. Verify signatures, parse payloads automatically.

CLI Tools

Command-line tools for testing, debugging, and managing your chatbot during development.

Starter Template

Clone our starter repo on GitHub and have a working chatbot in minutes. Includes best practices.

Deployment Guide

Deploy to Vercel, AWS, Railway, or your own server. Step-by-step deployment instructions.

Implementation

How to get started

Follow these steps to implement this solution

1

Install the SDK

Run `npm install @botclaw/whatsapp-sdk` to add our SDK to your Node.js project.

2

Configure API credentials

Set your API key and phone number ID in environment variables. Never commit secrets to git.

3

Set up webhook endpoint

Create an Express route to receive incoming messages. Our SDK handles signature verification.

4

Build your logic

Add message handlers, integrate with AI, connect to databases — build your unique chatbot.

5

Deploy and test

Deploy to a public URL, register the webhook with BotClaw, and test with real messages.

FAQ

Frequently asked questions

Node.js 18 or later is recommended. The SDK uses modern JavaScript features and native fetch API.

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