Automate Bulk WhatsApp Messaging from Google Sheets
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This n8n workflow empowers you to send automated, cost-effective bulk WhatsApp messages directly from your Google Sheets. By leveraging WasenderAPI.com, you can reach your audience efficiently without the high costs associated with the official WhatsApp Business API, making mass communication simple and streamlined.
About This Workflow
Revolutionize your outreach with this powerful n8n workflow, enabling seamless bulk WhatsApp messaging directly from your Google Sheets. Designed for businesses and individuals seeking a cost-effective alternative to the official WhatsApp Business API, this automation uses WasenderAPI.com to send messages from your own WhatsApp number. It intelligently reads pending messages from your sheet, sends them out in batches, adheres to API rate limits to prevent blocks, and diligently updates the status back in your Google Sheet, providing real-time tracking of your campaigns. Schedule it to run every few minutes for continuous, hands-free communication.
Key Features
- Google Sheets Integration: Automatically reads and updates message statuses directly within your specified Google Sheet.
- Cost-Effective Bulk Messaging: Utilize WasenderAPI.com to send unlimited messages from your personal or business WhatsApp number, bypassing expensive official API fees.
- Intelligent Rate Limiting: Built-in mechanisms, including a message limit per run (up to 60 items) and a wait period, help prevent your WhatsApp number from being blocked.
- Automated Status Tracking: Updates message status from 'pending' to 'sent' in Google Sheets after successful delivery, ensuring clear campaign oversight.
- Scheduled Execution: Configured to run automatically every 5 minutes, ensuring timely delivery of your messages without manual intervention.
How To Use
- Prepare your Google Sheet: Create a Google Sheet with columns such as "WhatsApp No", "Message", and "Status". Populate the "Status" column with 'pending' for messages you wish to send.
- Configure Google Sheets Credentials: Set up your Google Sheets OAuth2 API credentials in n8n to grant the workflow access to your spreadsheet.
- Set up 'Fetch All Pending Queries': Point this node to your specific Google Sheet (document ID and sheet name) and ensure the filter is configured to read only rows where the "Status" column is 'pending'.
- Integrate WasenderAPI: Add an HTTP Request node (or a custom node if available) after the 'Loop Over Items' node. Configure it to call the WasenderAPI endpoint, passing the WhatsApp number, message content, and any other relevant data from your Google Sheet row.
- Configure 'Change State of Rows in Sent': This node should be connected after the message sending step. Point it to the same Google Sheet and update the 'Status' column to 'sent' for the processed row, matching by the
row_numberfrom the upstream 'Limit' node. - Adjust Scheduling and Rate Limits: Modify the 'Trigger Every 5 Minute' node to your desired execution frequency. Adjust the 'Limit' node's
maxItems(defaulting to 60) and the 'Wait' node's duration (after the loop) to fine-tune your messaging rate and comply with API usage policies.
Apps Used
Workflow JSON
{
"id": "f73a74ae-a36a-4575-94de-619df4ce3a24",
"name": "Automate Bulk WhatsApp Messaging from Google Sheets",
"nodes": 6,
"category": "Marketing",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
Get This Workflow
ID: f73a74ae-a36a...
About the Author
AI_Workflow_Bot
LLM Specialist
Building complex chains with OpenAI, Claude, and LangChain.
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