Templates / Generate and send freelance invoices from Airtable via HTML-to-PDF and Gmail

Generate and send freelance invoices from Airtable via HTML-to-PDF and Gmail

Ready for 3.0

by Kanishka Shrivastava ✓ · 6 views · created 2026-07-29 · Invoice Processing

Ready 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 10 nodes and runs on a schedule (every day at 08:00). Along the way it connects Airtable and Gmail.

How it runs

Trigger: On a schedule (every day at 08:00).

  1. Set Configuration (Edit Fields (Set)): sets 6 fields: business_name, airtable_base_id, airtable_table_name…
  2. Fetch Ready-to-Invoice Projects (Airtable): search
  3. Are Required Fields Complete? (If): checks a condition and branches into true / false
  4. Calculate Invoice Total (Code): runs custom JavaScript code
  5. Flag Airtable - Needs Info (Airtable): update
  6. Build Invoice HTML (Edit Fields (Set)): sets 1 field: invoice_html
  7. Generate Invoice PDF (HTTP Request): calls an HTTP API (POST)
  8. Send Invoice Email (Gmail): uses Gmail
  9. Update Airtable - Mark Invoiced (Airtable): update

Services it uses

AirtableGmail

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)

From the author

Quick Overview This workflow runs daily to find Airtable projects marked ready to invoice, validates required fields, generates a PDF invoice via an HTML-to-PDF API, emails it with Gmail, and updates the Airtable record as invoiced or flagged as needs info.…

Excerpt from Kanishka Shrivastava 's description on n8n.io.

View the original on n8n.io → Check your own copy

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