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whatsapp-web.js - WhatsApp Client for Node.js (via WhatsApp Web)
A powerful and easy-to-use Node.js library that allows you to connect to WhatsApp Web and automate sending/receiving messages and interacting with the WhatsApp platform.
JavaScript
Added on 2025年6月15日17,063
Stars4,154
ForksJavaScript
LanguageProject Introduction
Summary
whatsapp-web.js is a Node.js library that uses Puppeteer to automate WhatsApp Web. It provides a simple and intuitive API to interact with the WhatsApp client running in a headless browser instance. This allows developers to build bots, automate tasks, or integrate WhatsApp functionality into their applications.
Problem Solved
Provides a programmatic interface to WhatsApp Web, enabling developers to build custom solutions, bots, and integrations without relying on unofficial or reverse-engineered APIs, leveraging the official WhatsApp Web infrastructure.
Core Features
Full Messaging Capabilities
Send and receive messages (text, media, files), including advanced features like sending location or contact cards.
Group Management
Programmatically join or leave groups, send group messages, and manage group participants.
Event Handling
Handle incoming messages, status updates, group events, and more via a robust event-driven architecture.
Tech Stack
Node.js
Puppeteer
JavaScript
Use Cases
Leverage whatsapp-web.js for a variety of automation and integration tasks involving WhatsApp Web:
Building WhatsApp Chatbots
Details
Develop automated bots that can respond to customer inquiries, provide information, or perform actions based on received messages.
User Value
Automate customer interactions, improve response times, and handle a large volume of simple queries.
Automating Notifications and Marketing
Details
Create scripts to send bulk messages (while adhering to WhatsApp policies), send personalized notifications, or automate report distribution.
User Value
Streamline communication workflows, ensure timely delivery of important information, and engage users programmatically.
System Integration
Details
Integrate WhatsApp messaging capabilities into existing CRM, ERP, or other business systems.
User Value
Add a new communication channel to existing business processes, enhancing connectivity and workflow efficiency.
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