Templates / Split and track WhatsApp restaurant bills with WAHA, Gemini and Sheets

Split and track WhatsApp restaurant bills with WAHA, Gemini and Sheets

Unknown

by Fahmi Fahreza ✓ · 27 views · created 2026-10-05 · Invoice Processing, AI Chatbot

Unknown. 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 AI workflow has 35 nodes and runs on Waha events (plus 1 other trigger). Along the way it connects Google Sheets, Google Gemini, OpenRouter Chat Model and Waha (community).

How it runs

Trigger: On Waha events (plus 1 other trigger).

  1. Whitelisted People (If): checks a condition and branches into true / false
  2. Config (Edit Fields (Set)): sets 2 fields: currencyCode, currencySymbol
  3. Config (Edit Fields (Set)): sets 2 fields: currencyCode, currencySymbol
  4. Get Unpaid Bills (Google Sheets): uses Google Sheets
  5. Normalize WAHA Payload (Code): runs custom JavaScript code
  6. Calculate Reminder Level & Anti-Spam Guard (Code): runs custom JavaScript code
  7. If: checks a condition and branches into true / false
  8. If: checks a condition and branches into true / false
  9. Download Receipt Media (WAHA) (HTTP Request): calls an HTTP API
  10. If: checks a condition and branches into true / false

…plus 21 more steps. See the full node list below.

Services it uses

Google SheetsGoogle GeminiOpenRouter Chat ModelWaha (community)

Before you upgrade to n8n 3.0

We can't fully verify this one: it relies on 2 community packages, and n8n 3.0 turns unverified community packages off by default (N8N_UNVERIFIED_PACKAGES_ENABLED=false).

  • Check that @devlikeapro/n8n-nodes-waha is verified or supports 3.0 (used in When Message Received (WAHA)).
  • Check that @devlikeapro/n8n-nodes-waha is verified or supports 3.0 (used in send message : chatting, send message : chatting1, send message : chatting2).

Nodes used (13)

From the author

Quick overview This workflow runs a WhatsApp bill-splitting bot using WAHA, Google Gemini for receipt OCR, OpenRouter for funny bill and reminder messages, and Google Sheets to track sessions, contacts, bills, payment status, and automated daily reminders.…

Excerpt from Fahmi Fahreza's description on n8n.io.

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

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