WhatsApp Receipt OCR & AI Data Extraction with Twilio, LlamaParse & Gemini — n8n Workflow

High complexity🔗 Webhook35 nodes🏷️ Invoice Processingby Gabriela Macovei

Overview

WhatsApp Receipt OCR & Data Extraction Suite
Categories: Accounting Automation • OCR Processing • AI Data Extraction • Business Tools

This workflow transforms WhatsApp into a fully automated receipt-processing system using advanced OCR, multi-model AI parsing, and structured data storage. By combining LlamaParse, Claude (OpenRouter), Gemini, Google Sheets, and Twilio, it eliminates manual data entry and delivers instant, reliable receipt digitization for any business.

What This Workflow Does

Nodes used

Google SheetsHTTP RequestGoogle DriveCodeBasic LLM ChainStructured Output ParserGoogle Gemini Chat ModelOpenRouter Chat Model

Workflow Preview

Quick reply yes/no . SID from twilio

extracted values. no yes/no buttons

Try It Out!

This template shows how to automate the extraction of k

Send quick reply asking the user to confirm i

Contains yes / No buttons

You need to define the quick reply template inside Twil

Wait for WhatsApp to

OCR pooling mechanism using LlamaParse

Calculate tax if not specified on the receipt

⚡

Webhook3

If5

Wait

HTTP Request28

HTTP Request29

HTTP Request17

HTTP Request18

HTTP Request30

OpenRouter Chat Model

HTTP Request5

Google Gemini Chat Model5

Upload file2

Append row in sheet2

Update row in sheet4

Update row in sheet5

HTTP Request6

Basic LLM Chain3

Structured Output Parser3

Code4

HTTP Request7

Code5

Merge2

Merge3

Share file1

HTTP Request19

Switch1

HTTP Request20

HTTP Request21

Update row in sheet9

Update row in sheet10

Update row in sheet11

HTTP Request22

HTTP Request24

Google Gemini Chat Model6

35 nodes37 edges

How it Works

1
Trigger
The workflow starts with a webhook trigger.
2
Process
Data flows through 35 nodes, connecting chainllm, code, googledrive.
3
Output
The workflow completes its automation and delivers the result to the configured destination.

Node Details (35)

Google Sheets

googleSheets

HTTP Request

httpRequest

Google Drive

googleDrive

Code

code

Basic LLM Chain

n8n-nodes-langchain.chainLlm

Structured Output Parser

n8n-nodes-langchain.outputParserStructured

Google Gemini Chat Model

n8n-nodes-langchain.lmChatGoogleGemini

OpenRouter Chat Model

n8n-nodes-langchain.lmChatOpenRouter

How to Import This Workflow

1Click Download JSON button on the right to save the workflow file.
2Open your n8n instance. Go to Workflows → New → Import from file.
3Select the downloaded whatsapp-receipt-ocr-ai-data-extraction-with-twilio-llamaparse-gemini file and click Import.
4Set up credentials for each service node (API keys, OAuth, etc.).
5Click Test Workflow to verify everything works, then activate it.

Or paste directly in n8n → Import from JSON:

{ "name": "WhatsApp Receipt OCR & AI Data Extraction with Twilio, LlamaParse & Gemini", "nodes": [...], ...}

Integrations

chainllmcodegoogledrivegooglesheetshttprequestiflmchatgooglegeminilmchatopenroutermergeoutputparserstructuredswitchwaitwebhook

Get This Workflow

Download and import in one click

Download JSON View on n8n.io

Nodes35

Complexityhigh

Triggerwebhook

CategoryInvoice Processing

Created by

Gabriela Macovei

@gabrielamacovei

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🔗 Webhook·12 nodes