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.

📖 Overview

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

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

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

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 |

⚙️ Usage Examples

💬 Send Message

{
  "operation": "sendMessage",
  "chatId": "[email protected]",
  "message": "Hello from n8n and Green API!"
}

📎 Send File by URL

{
  "operation": "sendFileByUrl",
  "chatId": "[email protected]",
  "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": "[email protected]",
  "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": ["[email protected]", "[email protected]"]
}

🧭 Send Location

{
  "operation": "sendLocation",
  "chatId": "[email protected]",
  "latitude": 40.7128,
  "longitude": -74.0060,
  "name": "New York",
  "address": "NY, USA"
}

🔄 Check Whatsapp

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

🔗 Resources

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

👤 Author

Developed by Green API
📧 [email protected]
🌍 https://green-api.com/en/

🪪 License

MIT License