n8n Nodes - WSAPI API Integration

A comprehensive n8n community node for WSAPI - the powerful WhatsApp API Gateway. Easily integrate WhatsApp messaging, contact management, group operations, and more into your n8n workflows.

Installation • Credentials • Operations • Examples • Development • License

Note on affiliation: This is a community-maintained package for use with n8n. It is not affiliated with, endorsed by, or sponsored by n8n GmbH, Meta Platforms, Inc., or WhatsApp LLC. The package name uses the required n8n-nodes-… prefix for discoverability, which is nominative fair use of the n8n trademark. Please follow n8n’s brand guidelines and Sustainable Use License.

Installation

Community Nodes (Recommended)

1. Go to Settings > Community Nodes in your n8n instance
2. Click Install Community Node
3. Enter: @wsapichat/n8n-nodes-wsapi
4. Click Install

Manual Installation

# Install in your n8n root directory
npm install @wsapichat/n8n-nodes-wsapi

Prerequisites

• n8n version 0.195.0 or later
• WSAPI Account: Sign up at wsapi.chat to get your API credentials
• WhatsApp Account: Connected to your WSAPI instance

Credentials

Before using the node, you'll need to set up your WSAPI credentials:

1. In n8n, go to Credentials and create a new WSAPI API credential
2. Enter your WSAPI details:
   • API Key: Your WSAPI API key
   • Instance ID: Your WhatsApp instance ID

You can obtain these credentials from your WSAPI dashboard.

Operations

📧 Messages

• Send Text Message - Send plain text messages with mentions and replies
• Send Link Message - Send rich link previews with thumbnails
• Send Image Message - Send images with captions and view-once options
• Send Video Message - Send videos with captions and view-once options
• Send Audio Message - Send audio files and voice messages
• Send Document Message - Send PDF, Excel, and other document files
• Send Sticker Message - Send static and animated stickers
• Send Contact Message - Share contact information via vCard
• Send Location Message - Share GPS coordinates with place details
• Send Reaction - React to messages with emojis
• Edit Message - Edit previously sent text messages
• Mark as Read - Mark messages as read
• Star Message - Star/unstar messages
• Delete Message - Delete messages for everyone or yourself

💬 Chat Management

• List Chats - Get all active chats
• Get Chat - Get specific chat information
• Delete Chat - Remove chat conversations
• Set Presence - Set typing, recording, or paused status
• Set Ephemeral - Configure disappearing messages (24h, 7d, 90d)
• Mute Chat - Mute notifications for specified duration
• Pin/Unpin Chat - Pin important conversations
• Archive/Unarchive - Archive old conversations
• Mark as Read - Mark entire chats as read

📱 Account Management

• Get Account Info - Retrieve account details (JID, name, status)
• Set Name - Update your WhatsApp display name
• Set Profile Picture - Upload new profile picture
• Set Presence - Set availability status
• Set Status Message - Update your status message

🔐 Session Control

• Get QR Code - Generate QR code for login (image or string)
• Get Login Code - Generate pairing code for phone linking
• Get Session Status - Check connection and login status
• Logout - Disconnect from WhatsApp

👥 Contact Management

• List Contacts - Get all WhatsApp contacts
• Get Contact - Retrieve specific contact information
• Create Contact - Add new contacts to address book
• Update Contact - Modify contact information
• Get Profile Picture - Download contact profile pictures
• Get Business Profile - Retrieve business contact details
• Update Full Name - Change contact display names
• Subscribe to Presence - Get real-time presence updates

👨‍👩‍👧‍👦 Group Management

• List Groups - Get all group chats
• Get Group Info - Retrieve group details and participants
• Create Group - Create new groups with participants
• Delete Group - Remove groups (admin only)
• Set Description - Update group descriptions
• Set Name - Change group names
• Set Picture - Upload group profile pictures
• Get Invite Link - Generate group invitation links
• Get Invite Requests - List pending join requests
• Update Participants - Add or remove group members
• Get Invite Info - Get details about invitation codes

👤 User Operations

• Get User Info - Retrieve user details by phone number

⚙️ Instance Management

• Get Settings - Retrieve instance configuration
• Update Settings - Modify webhook URLs, authentication, and pull mode
• Update API Key - Generate new API keys
• Restart Instance - Restart WhatsApp instance

📞 Call Management

• Reject Call - Automatically reject incoming calls

📎 Media Operations

• Download Media - Download images, videos, audio, and documents from messages

🔔 Webhook Triggers

• Message Events - Trigger on new messages, reads, deletes, stars
• Chat Events - Trigger on presence changes, settings updates
• Session Events - Trigger on login, logout, and authentication events
• Call Events - Trigger on incoming calls and call status changes
• User Events - Trigger on profile updates and presence changes
• Contact Events - Trigger on contact information changes

🤖 AI Agent Tools

• WSAPI Tool - AI Agent tool for sending WhatsApp messages through WSAPI
  • Exposes send_whatsapp_message function to AI agents
  • Supports both individual contacts and group messaging
  • Configurable tool name and description for AI context
  • Seamless integration with n8n's AI Agent nodes

Examples

Send a Text Message

Resource: Message
Operation: Send Text Message
To: [email protected]
Text: Hello from n8n! 👋

Send an Image with Caption

Resource: Message
Operation: Send Image Message
To: [email protected]
Image URL: https://example.com/image.jpg
Caption: Check out this awesome image!

Create a WhatsApp Group

Resource: Groups
Operation: Create Group
Group Name: n8n Automation Team
Participants: 1234567890,9876543210,5555555555

Set Up Message Webhook Trigger

Trigger: WSAPI
Operation: On Message Event
Events: Message, Message Read
Auto-Download Media: ✓ (enabled)
Webhook Authentication: ✓ (optional)

Use WSAPI Tool with AI Agent

Node: WSAPI Tool
Tool Name: send_whatsapp_message
Tool Description: Send WhatsApp messages to contacts or groups

Connect to: AI Agent node
- AI agents can now call send_whatsapp_message(to, message)
- Supports both individual contacts ([email protected])
- Supports group messaging ([email protected])

Webhook Configuration

The WSAPI Trigger node supports advanced webhook features:

• Event Filtering: Choose specific events (messages, chats, calls, etc.)
• Auto-Download Media: Automatically download media files from messages
• Custom Authentication: Secure webhooks with custom headers
• Immediate Response: Control webhook response timing
• Event Parsing: Automatic parsing of webhook payloads

Development

Prerequisites

• Node.js 16 or later
• npm 7 or later

Setup

git clone https://github.com/wsapi-chat/n8n-nodes-wsapi
cd n8n-nodes-wsapi
npm install

Building

npm run build

Testing

npm test

Linting

npm run lint
npm run lint:fix

Local Development

# Link the package locally
npm link

# In your n8n directory
npm link n8n-nodes-wsapi

Support

• Documentation: WSAPI Docs
• WSAPI Support: WSAPI Support

Contributing and Conduct

Contributions are welcome. By participating, you agree to abide by our Code of Conduct.

Changelog

See CHANGELOG.md for version history and updates.

License

This project is licensed under the MIT License — see LICENSE for details.

Trademark notice: "n8n" is a trademark of n8n GmbH. "WhatsApp" is a trademark of WhatsApp LLC. Any use here is for identification and compatibility purposes only and does not imply endorsement or affiliation with n8n GmbH, Meta Platforms, Inc., or WhatsApp LLC.