Track invoice spending vs budget from Google Drive with GPT-4o and Telegram alerts β€” n8n Workflow

High complexity⚑ Trigger88 nodes🏷️ Invoice ProcessingπŸ‘ 6 viewsby Dmitrij Zykovic

Overview

Invoice Budget Tracker

Drop invoices to Google Drive and let AI handle the rest - OCR extraction, automatic categorization, budget tracking, and Telegram alerts when spending reaches thresholds.

✨ Key Features

πŸ“„ Invoice OCR** - Extracts data from PDF/image invoices automatically πŸ€– AI Categorization** - Detects document type (skips contracts, delivery acts) and categorizes real invoices πŸ’° Budget Tracking** - Set monthly budgets per category, track spending in real-time πŸ”” Smart Alerts** - Get n

Nodes used

HTTP RequestTelegramGoogle DriveCryptoCodeAI AgentSimple MemoryStructured Output ParserCalculatorCall n8n Workflow ToolOpenRouter Chat ModelThink ToolMCP Client Tool

Workflow Preview

Loading workflow preview...

How it Works

  1. 1

    Trigger

    The workflow starts with a trigger trigger.

  2. 2

    Process

    Data flows through 88 nodes, connecting agent, code, crypto.

  3. 3

    Output

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

Node Details (88)

HT

HTTP Request

httpRequest

#1
TE

Telegram

telegram

#2
GO

Google Drive

googleDrive

#3
CR

Crypto

crypto

#4
CO

Code

code

#5
AI

AI Agent

n8n-nodes-langchain.agent

#6
SI

Simple Memory

n8n-nodes-langchain.memoryBufferWindow

#7
ST

Structured Output Parser

n8n-nodes-langchain.outputParserStructured

#8
CA

Calculator

n8n-nodes-langchain.toolCalculator

#9
CA

Call n8n Workflow Tool

n8n-nodes-langchain.toolWorkflow

#10
OP

OpenRouter Chat Model

n8n-nodes-langchain.lmChatOpenRouter

#11
TH

Think Tool

n8n-nodes-langchain.toolThink

#12
MC

MCP Client Tool

n8n-nodes-langchain.mcpClientTool

#13

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 β†’ New β†’ Import from file.
  3. 3Select the downloaded track-invoice-spending-vs-budget-from-google-drive-with-gpt-4o-and-telegram-alerts 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 β†’ Import from JSON:

{ "name": "Track invoice spending vs budget from Google Drive with GPT-4o and Telegram alerts", "nodes": [...], ...}

Integrations

agentcodecryptoexecuteworkflowexecuteworkflowtriggergoogledrivehttprequestiflmchatopenroutermanualtriggermcpclienttoolmemorybufferwindowmergeoutputparserstructuredscheduletriggersetsplitinbatchestelegramtelegramtriggertoolcalculator

Get This Workflow

Download and import in one click

View on n8n.io
Nodes88
Complexityhigh
Triggertrigger
Views6

Created by

Dmitrij Zykovic

Dmitrij Zykovic

@dmitrijz

Tags

agentcodecryptoexecuteworkflowexecuteworkflowtriggergoogledrivehttprequestiflmchatopenroutermanualtrigger
⚑

New to n8n?

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

Get n8n Free β†’

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 touchpointβ€”the billβ€”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.

πŸ”— WebhookΒ·12 nodes