Classify & Auto-Sort Invoices in Google Drive with GPT-4o — Workflow n8n

Średnia złożoność Wyzwalacz11 węzłów🏷️ Invoice Processingautor: Rahul Joshi

Przegląd

Description:

Automatically classify invoices by industry (Retail, Manufacturing, or EdTech) using GPT-4o-powered AI parsing in this intelligent n8n automation template. Designed for teams managing high-volume billing data, this workflow fetches invoices from Google Drive, extracts PDF text, classifies each document using AI, and automatically moves files to the correct folder based on the predicted industry.

This smart auto-sorting system turns your invoice processing into a zero-touch AI work

Użyte węzły

Google DriveAI AgentAzure OpenAI Chat Model

Podgląd workflow

Search files and folders (Google Drive)
Type: Google Drive node
Operation: Search for files and folders
What it does:
Searches for files in a specific Google Drive folder (I
Re
Download File (Google Drive)
Type: Google Drive node
Operation: Download
What it does:
Downloads each file found by the previous node
Uses the file ID from the search results (={{ $json.id
Extract from File (Extract from File)
Type: Extract from File node
Operation: PDF extraction
What it does:
Extracts text content from PDF files
Converts the downloaded PDF invoices into readable tex
Loop Over Items (Split in Batches)
Type: Split in Batches node
What it does:
Processes multiple files one by one in a loop
Ensures each invoice is processed individually
Manages batch processing of
AI Agent (LangChain Agent)
Type: LangChain AI Agent
What it does:
Analyzes the extracted text content from invoices
Uses a system prompt that instructs it to classify invo
Azure OpenAI Chat Model (Language Model)
Type: Azure OpenAI Chat Model
Model: GPT-4o-mini
What it does:
Provides the AI language model for the AI Agent
Connected to the AI Agent to power the classif
Switch (Conditional Logic)
Type: Switch node
What it does:
Routes the workflow based on AI classification results
Has three conditional branches:
If output equals "Retail" → Route to Retail folder
model
Download File
W
When clicking ‘Execute w…
AI Agent
Azure OpenAI Chat Model
L
Loop Over Items
E
Extract from File
S
Switch
Search files and folders
Manufacturing
Retail
EdTech
11 nodes13 edges

Jak to działa

  1. 1

    Wyzwalacz

    Workflow uruchamia się wyzwalaczem wyzwalacz.

  2. 2

    Przetwarzanie

    Dane przepływają przez 11 węzłów, connecting agent, extractfromfile, googledrive.

  3. 3

    Wyjście

    Workflow kończy automatyzację i dostarcza wynik do skonfigurowanego miejsca docelowego.

Szczegóły węzłów (11)

GO

Google Drive

googleDrive

#1
AI

AI Agent

n8n-nodes-langchain.agent

#2
AZ

Azure OpenAI Chat Model

n8n-nodes-langchain.lmChatAzureOpenAi

#3

Jak zaimportować ten workflow

  1. 1Kliknij przycisk Pobierz JSON po prawej stronie, aby zapisać plik workflow.
  2. 2Otwórz swoją instancję n8n. Przejdź do Workflow → Nowy → Importuj z pliku.
  3. 3Wybierz pobrany plik classify-auto-sort-invoices-in-google-drive-with-gpt-4o i kliknij Importuj.
  4. 4Skonfiguruj dane uwierzytelniające dla każdego węzła usługi (klucze API, OAuth itp.).
  5. 5Kliknij Testuj workflow, aby sprawdzić, czy wszystko działa, a następnie aktywuj go.

Lub wklej bezpośrednio w n8n → Importuj z JSON:

{ "name": "Classify & Auto-Sort Invoices in Google Drive with GPT-4o", "nodes": [...], ...}

Integracje

agentextractfromfilegoogledrivelmchatazureopenaimanualtriggersplitinbatchesswitch

Pobierz ten workflow

Pobierz i zaimportuj jednym kliknięciem

Pobierz JSONZobacz na n8n.io
Węzły11
Złożonośćmedium
Wyzwalacztrigger

Autor

Rahul Joshi

Rahul Joshi

@rahul08

Tagi

agentextractfromfilegoogledrivelmchatazureopenaimanualtriggersplitinbatchesswitch

Nowy w n8n?

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🔗 Webhook·12 nodes