- FAQ
- Introduction
- Quick Start
- Comparisons
- Disclaimer
- Requirements
- Installation
- Code Editor
- Create Your App
- Authentication
- Listen To Events
- Message Replying
- Command Handling
- Messages
- Chats
- Groups
- Contacts
- Channels
- Polls
- Orders
- Payments
- Multi Device
- Presence and Profile
Comparing unonffical libraries to the official WhatsApp API is not always straightforward, as they serve different purposes and have different capabilities. You should keep in mind that unoffical libraries have limitations and may not be suitable for all use cases.
whatsapp-web.js
whatsapp-web.js has a bunch of features but is limited to what the WhatsApp Web client can do. This means that some features are not possible to implement.
However, it is a great choice for many use cases, especially if you want to build a application that interacts with WhatsApp in a way that mimics human behavior.
Feature Comparison Table
You can use this list to compare features from other libraries with whatsapp-web.js.
| Feature | whatsapp-web.js | Baileys |
|---|---|---|
| Runtime model | Browser (Puppeteer) | WebSocket |
| Language | JS / Node.js | TS / Node.js |
| API abstraction | Medium | High |
| Ease of use | Beginner | Medium |
| Resource usage | High (~300-600 MB) | Low (~30-60 MB) |
| Runtime overhead | Chrome + IPC | Direct WebSocket |
| Startup time | Slow | Fast |
| Multi Device | Yes (QR) | Yes (QR + Code) |
| TypeScript types | Partial | Built-in |
| Account safety | Medium | Low |
| Stability risk | Medium | High |
| Pricing | Free | Free |
| Support | Community | Community |
Baileys (WhiskeySockets)
Baileys (WhiskeySockets) is a lightweight TypeScript library that lets developers interact with WhatsApp Web directly through WebSockets, without needing a browser like Chrome or tools such as Selenium. It is commonly used for building WhatsApp bots and automation systems of any art.
WPPConnect
WPPConnect is an open-source Node.js library that works with WhatsApp Web and lets developers control WhatsApp through code. It is similar to whatsapp-web.js and is used to connect WhatsApp with applications.
WhatsApp API (official)
The WhatsApp API (officially the WhatsApp Cloud API / Business API) is Meta's official solution for businesses to send, receive and automate WhatsApp messages at scale. It is commonly used for customer support, notifications and CRM integrations.
Keep in mind that the official WhatsApp API has strict usage policies and is designed for business use cases, while unofficial libraries like whatsapp-web.js and Baileys are more flexible but may have limitations and risks associated with them.