@wppconnect/wa-js - v3.7.0


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WPPConnect/WA-JS is an open-source project with the aim of exporting functions from WhatsApp Web, which can be used to support the creation of any interaction, such as customer service, media sending, intelligence recognition based on phrases artificial and many other things, use your imagination...

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This project extract some functions of WhatsApp sources, that uses webpack.

After build, this project generate a file dist/wppconnect-wa.js to be used for injection in WhatsApp Web. When injected, it will explose a global variable named WPP.

Some parts of WPP variable:

  • WPP.webpack - Scripts to exports WhatsApp functions.
  • WPP.whatsapp - Only exported WhatsApp functions.
  • WPP.chat - Chat functions and events.
  • ...

There are a convection name for some exported modules:

  • ...Model - Class for data structure (ClassModel, MsgModel)
  • ...Collection - Class for collection of models (ChatCollection, MsgCollection)
  • ...Store - Default and global instance of a collection (ChatStore, MsgStore)

WPP.conn.connect - Connect to WhatsApp Web

WPP.conn.isAuthenticated - Check if the connection is authenticated

WPP.conn.logout - Logout from WhatsApp Web

WPP.chat.sendTextMessage - Send a text message

WPP.chat.sendImageMessage - Send an image message

WPP.chat.sendVideoMessage - Send a video message

WPP.chat.sendFileMessage - Send a file message

WPP.chat.sendAudioMessage - Send an audio message

WPP.chat.getChat - Get chat details

WPP.chat.deleteMessage - Delete a message

WPP.contact.getContact - Get contact details

WPP.contact.blockContact - Block a contact

WPP.contact.unblockContact - Unblock a contact

WPP.contact.getAllContacts - Get all contacts

WPP.group.createGroup - Create a new group

WPP.group.addParticipant - Add a participant to a group

WPP.group.removeParticipant - Remove a participant from a group.

WPP.group.promoteParticipant - Promote a participant to admin

WPP.group.demoteParticipant - Demote a participant from admin.

WPP.group.getGroupInfo - Get group information.

WPP.chat.on('chat.new_message') - Event to dispatch on receive a new message

To see all events, check: https://wppconnect.io/wa-js/types/ev.EventTypes.html

Steps to run locally:

# install the depencencies
npm install

# download whatsapp javascript and prettify (optional)
npm run wa-source

# build javascript files
npm run build:prd # or build:dev for development

# launch a local browser with automatic injection
npm run launch:local

# or only run in VSCode

Basicaly, you need to inject the wppconnect-wa.js file into the browser after WhatsApp page load.

// ==UserScript==
// @name WA-JS Teste
// @namespace http://tampermonkey.net/
// @version 0.1
// @description Simple example of WA-JS
// @author You
// @match https://web.whatsapp.com/*
// @icon https://www.google.com/s2/favicons?domain=whatsapp.com
// @require https://github.com/wppconnect-team/wa-js/releases/download/nightly/wppconnect-wa.js
// @grant none
// ==/UserScript==

/* globals WPP */

(function () {
'use strict';

WPP.webpack.onReady(function () {
alert('Ready to use WPPConnect WA-JS');

// Your code here...
import * as playwright from 'playwright-chromium';

async function start() {
const browser = await playwright.chromium.launch();
const page = await browser.newPage();

await page.goto('https://web.whatsapp.com/');

await page.addScriptTag({
path: require.resolve('@wppconnect/wa-js'),

// Wait WA-JS load
await page.waitForFunction(() => window.WPP?.isReady);

// Evaluating code: See https://playwright.dev/docs/evaluating/
const isAuthenticated: string = await page.evaluate(() =>

// Sending message: See https://playwright.dev/docs/evaluating/
const sendResult: string = await page.evaluate(
(to, message) => WPP.chat.sendTextMessage(to, message),


Copyright 2021 WPPConnect Team

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at


Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.