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Automatically Join WhatsApp Groups with Google Sheets and Evolution API

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Last update 6 days ago

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Who’s it for

This workflow is ideal for community managers, event organizers, and businesses that regularly manage multiple WhatsApp groups. If you have a growing list of invitation codes stored in Google Sheets, this automation helps you automatically join groups, update statuses, and track results without manual work.

How it works / What it does

The workflow connects Google Sheets with WhatsApp through an automation sequence:

  • Reads the list of invitation codes from a Google Sheet.
  • Processes the first 50 unused codes per run.
  • Validates group links via a Fetch groups node.
  • Attempts to join each group using the Join group node.
  • Updates the sheet with the join status (success or failure).
  • Logs successful joins in a tracking list for easy follow-up.

This ensures a fully automated way to manage WhatsApp group invitations while keeping your data organized in Google Sheets.

How to set up

  1. Prepare a Google Sheet with invitation codes and a status column.
  2. Configure the Google Sheets node with read and write access.
  3. Set up your fetch-groups and join-group credentials.
  4. Adjust the Schedule Trigger to define how often the workflow should run.
  5. Test with a few sample codes before scaling.

Requirements

  • n8n (self-hosted or cloud).
  • Google Sheets API credentials.
  • WhatsApp integration (via [Evolution API] or another community node — self-hosted only).

How to customize the workflow

  • Change the batch size (default: 50 codes per run).
  • Add error handling or retry logic for invalid links.
  • Send real-time notifications (Slack, email, or Telegram) after each join.
  • Extend your Google Sheet schema with extra details (e.g., group category, campaign, date joined).