Process Receipts with Google Vision OCR, AI & Telegram to Google Sheets — n8n Workflow

High complexity⚡ Trigger23 nodes🏷️ Invoice Processingby Budi SJ

Overview

Automated Financial Reporting Using Google Vision OCR, Telegram & Google Sheets

This workflow automates the process of recording financial transactions from photos of receipts or shopping receipts. Users simply send an image of the receipt via Telegram. The image is processed using the Google Vision API to detect text, then extracted and structured by LLM via OpenRouter. The final result is saved to Google Sheets and also displayed to the user via a Telegram bot.

🧾 Google Sheets Template Crea

Nodes used

Google SheetsHTTP RequestTelegramCodeAI AgentBasic LLM ChainSimple MemoryStructured Output ParserOpenRouter Chat Model

Workflow Preview

Automated Financial Reporting Using Google Vi
This workflow automates the process of recording financ
Store the Telegram bot API token as a variabl
- Retrieves the file path (image) from Telegr
- After obtaining the file_path, this
- Save the Google Vision API key into a varia
- Se
Using LLM (Language Model) to process OCR tex
- Cleans numeric data from characters such as
- Splits the Items[] array (containing products per
- Converts parsed transaction data into a hum
- Sends the summary results from LLM to Telegram users.
Providing text based interaction features wit
memorymodelmodelmodelparsertool
⚡
T
Telegram Trigger
I
If
Get Path
Get URL
S
Set Vision API
HTTP Request
Code
Basic LLM Chain
OpenRouter Chat Model
Structured Output Parser
Append or update row in …
S
Split Out
Basic LLM Chain1
OpenRouter Chat Model1
Send a text message
AI Agent
G
Get row(s) in sheet in G…
OpenRouter Chat Model2
Send a text message1
Simple Memory
Code1
Send a text message2
S
Set Telegram Token
23 nodes22 edges

How it Works

  1. 1

    Trigger

    The workflow starts with a trigger trigger.

  2. 2

    Process

    Data flows through 23 nodes, connecting agent, chainllm, code.

  3. 3

    Output

    The workflow completes its automation and delivers the result to the configured destination.

Node Details (23)

GO

Google Sheets

googleSheets

#1
HT

HTTP Request

httpRequest

#2
TE

Telegram

telegram

#3
CO

Code

code

#4
AI

AI Agent

n8n-nodes-langchain.agent

#5
BA

Basic LLM Chain

n8n-nodes-langchain.chainLlm

#6
SI

Simple Memory

n8n-nodes-langchain.memoryBufferWindow

#7
ST

Structured Output Parser

n8n-nodes-langchain.outputParserStructured

#8
OP

OpenRouter Chat Model

n8n-nodes-langchain.lmChatOpenRouter

#9

How to Import This Workflow

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

Or paste directly in n8n → Import from JSON:

{ "name": "Process Receipts with Google Vision OCR, AI & Telegram to Google Sheets", "nodes": [...], ...}

Integrations

agentchainllmcodegooglesheetsgooglesheetstoolhttprequestiflmchatopenroutermemorybufferwindowoutputparserstructuredsetsplitouttelegramtelegramtrigger

Get This Workflow

Download and import in one click

Download JSONView on n8n.io
Nodes23
Complexityhigh
Triggertrigger
CategoryInvoice Processing

Created by

Budi SJ

Budi SJ

@budisj

Tags

agentchainllmcodegooglesheetsgooglesheetstoolhttprequestiflmchatopenroutermemorybufferwindowoutputparserstructured
⚡

New to n8n?

n8n is a free, open-source workflow automation tool. Self-host it or use the cloud version.

Get n8n Free →

Related Invoice Processing Workflows

COCOEMEX+5
medium

Automate Custom QuickBooks Invoice PDFs & Email with n8n

Standard accounting templates often fail to reflect a premium brand identity. This sophisticated n8n workflow bridges the gap between financial record-keeping and professional client presentation. By moving beyond the native limitations of QuickBooks Online, this automation enables businesses to generate high-end, multi-page PDF invoices that align perfectly with their corporate styling. The process begins the moment a new invoice is generated in QuickBooks, triggering a webhook that captures real-time billing data. The workflow then utilizes advanced HTML-to-File conversion and custom Code nodes to structure data into a polished, branded layout. It handles complex logic such as line-item merging and multi-page formatting automatically. Once the document is rendered, the system bypasses generic 'no-reply' senders by routing the finalized PDF through your preferred email provider. This ensures a seamless, white-labeled experience for your clients while eliminating the manual overhead of exporting, styling, and attaching files. Ideal for agencies and service providers, this flow guarantees that your most frequent touchpoint—the bill—is as professional as your work. **Common Use Cases:** - High-end creative agencies requiring bespoke, white-labeled billing documents for premium clients. - Automated recurring subscription billing where custom tax disclosures or localized branding are required. - Service-based businesses needing to attach dynamic project reports or terms of service directly to QuickBooks invoices.

🔗 Webhook·12 nodes