Make outbound sales calls from Google Sheets using a Retell AI voice agent
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This workflow has 11 nodes and runs on Google Sheets events (row added). Along the way it connects Google Sheets. It also calls api.retellai.com over HTTP.
How it runs
Trigger: On Google Sheets events (row added).
- Cleanse phone numbers (Code): runs custom JavaScript code
- Filter: keeps only the items that match a condition
- Get lead's timezone (Code): runs custom JavaScript code
- Is it between 8am-5pm for them? (If): checks a condition and branches into true / false
- Make phone call (HTTP Request): calls api.retellai.com (POST)
- Wait: waits 2 hours
- Wait: waits 1 minutes
- Get Call Status (HTTP Request): calls an HTTP API
- Call has finished (If): checks a condition and branches into true / false
- Update Google Sheets with call information (Google Sheets): update
Services it uses
HTTP calls to: api.retellai.com
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (7)
- HTTP Request
n8n-nodes-base.httpRequest - Code
n8n-nodes-base.code - Google Sheets Trigger
n8n-nodes-base.googleSheetsTrigger - If
n8n-nodes-base.if - Wait
n8n-nodes-base.wait - Filter
n8n-nodes-base.filter - Google Sheets
n8n-nodes-base.googleSheets
From the author
This n8n workflow automates outbound phone calls to new leads using Retell AI, with built-in timezone detection to ensure you're only calling during business hours. Use cases include appointment setting, lead qualification, follow-up surveys, payment…