Track and notify lead callbacks with Tomba, Google Sheets, and Slack
UnknownUnknown. This template uses community nodes we can't verify statically. Uses community nodes that can't be verified statically (unverified community packages are off by default in 3.0). Static check, last run 2026-10-19.
What this workflow does
This workflow has 6 nodes and runs when an HTTP POST request hits its webhook URL. Along the way it connects Google Sheets, Slack and Tomba (community).
How it runs
Trigger: When an HTTP POST request hits its webhook URL.
- Batch Process Leads (Loop Over Items (Split in Batches)): loops over the items in batches
- Lookup Phone by Domain (Tomba): work with phone
- Format Leads for Sheets (Code): runs custom JavaScript code
- Update Lead Info in Sheets (Google Sheets): update
- Alert Rep via Slack (Slack): uses Slack
Services it uses
Before you upgrade to n8n 3.0
We can't fully verify this one: it relies on 1 community package, and n8n 3.0 turns unverified community packages off by default (N8N_UNVERIFIED_PACKAGES_ENABLED=false).
- Check that n8n-nodes-tomba is verified or supports 3.0 (used in Lookup Phone by Domain).
Nodes used (6)
- Loop Over Items (Split in Batches)
n8n-nodes-base.splitInBatches - Tomba
n8n-nodes-tomba.tomba - Code
n8n-nodes-base.code - Google Sheets
n8n-nodes-base.googleSheets - Slack
n8n-nodes-base.slack - Webhook
n8n-nodes-base.webhook
From the author
Quick overview This workflow receives new lead details via a webhook, looks up a company phone number with Tomba using the lead’s domain, updates a Google Sheets lead tracker, and sends a formatted callback alert to a Slack channel. How it works 1. Receives…