n8n-nodes-whatsapp-green-api

Integration node for Green API in n8n.
This community node allows automation of WhatsApp interactions using Green API — including messaging, file transfer, contacts, groups, statuses, and instance management.

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📖 Overview

The GreenAPI Node provides full access to Green API endpoints, enabling you to send messages, manage chats, groups, and retrieve account information.

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Installation

Install community node

Go to Settings → Community Nodes → Install, then enter n8n-nodes-whatsapp-green-api

Install via npm

npm install n8n-nodes-whatsapp-green-api

Restart n8n after installation.

Manual installation

1. Copy repository into ~/.n8n/custom/
2. Run:

   npm install
   npm run build

3. Restart n8n

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You can also check out the installation guide in the n8n community nodes documentation.

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Authentication

To use this node, you need to have an instance and token from Green-API platform and WhatsApp account:

• Sign up at Green-API
• Create an instance
• Get idInstance and apiTokenInstance
• Authorize the instance in the Console

🧩 Features

Category	Methods
👤 Account	getSettings, setSettings, getStateInstance, reboot, logout, getWaSettings
✉️ Sending	sendMessage, sendPoll, sendFileByUrl, sendLocation, sendContact, forwardMessages, sendInteractiveButtons, sendInteractiveButtonsReply
📥 Receiving	webhookTrigger, downloadFile
📜 Journals	getChatHistory, getMessage, lastIncomingMessages, lastOutgoingMessages
🧾 Queues	showMessagesQueue, clearMessagesQueue
👥 Groups	createGroup, updateGroupName, getGroupData, addGroupParticipant, deleteGroupParticipant, setGroupAdmin, removeGroupAdmin, leaveGroup
📣 Statuses	sendTextStatus, sendVoiceStatus, sendMediaStatus, deleteStatus, getStatusStatistic, getIncomingStatuses, getOutgoingStatuses
✅ Readmark	readChat
🧩 Service	getContacts, getContactInfo, editMessage, deleteMessage, archiveChat, unarchiveChat, setDisappearingChat

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⚙️ Usage Examples

💬 Send Message

{
  "operation": "sendMessage",
  "chatId": "79001234567@c.us",
  "message": "Hello from n8n and Green API!"
}

📎 Send File by URL

{
  "operation": "sendFileByUrl",
  "chatId": "79001234567@c.us",
  "urlFile": "https://example.com/image.jpg",
  "fileName": "photo.jpg"
}

📣 Send Text Status

{
  "operation": "sendTextStatus",
  "message": "Working with Green-API and n8n!",
  "backgroundColor": "#228B22",
  "font": "SERIF",
  "participants": []
}

📤 Send Interactive Buttons Reply

{
  "operation": "sendInteractiveButtonsReply",
  "chatId": "79001234567@c.us",
  "header": "",
  "body": "Do you confirm the appointment for tomorrow?",
  "footer": "",
  "buttons": [
        {
            "buttonId": "1",
            "buttonText": "Yes"
        },
        {
            "buttonId": "2",
            "buttonText": "No"
        }
    ]
}

👥 Create Group

{
  "operation": "createGroup",
  "groupName": "My Team",
  "participants": ["79001234567@c.us", "79007654321@c.us"]
}

🧭 Send Location

{
  "operation": "sendLocation",
  "chatId": "79001234567@c.us",
  "latitude": 40.7128,
  "longitude": -74.0060,
  "name": "New York",
  "address": "NY, USA"
}

🔄 Check Whatsapp

{
  "operation": "checkWhatsapp",
  "phoneNumber": 79000000000
}

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🔗 Resources

• 🌐 Green API Documentation
• 📘 n8n Documentation
• 💬 n8n Community Forum

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👤 Author

Developed by Green API
📧 support@green-api.com
🌍 https://green-api.com/en/

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🪪 License

MIT License