Automated Invoice Processing with Telegram, GPT-4o, OCR and SAP Integration — Flujo de trabajo n8n

Alta complejidad Disparador27 nodos🏷️ Invoice Processing👁 12,872 vistaspor Raquel Giugliano

Descripción general

++HOW IT WORKS:++ This workflow automates the processing of invoices sent via Telegram. It extracts the data using LlamaIndex OCR, logs it in Google Sheets, and optionally pushes the structured data to SAP Business One

🔹 1. Receive Invoice via Telegram:** A user sends a PDF of an invoice through Telegram A Telegram Trigger node listens for incoming messages and captures the file and metadata The document is downloaded and prepared for OCR

🔹 2. OCR with LlamaIndex: The file is uploaded to the L

Nodos utilizados

Google SheetsHTTP RequestTelegramCodeBasic LLM ChainOpenAI Chat ModelStructured Output Parser

Vista previa del flujo de trabajo

Waiting for an answer on telegram
Send data and OCR with LlamaIndex
modelparser
W
Wait
Basic LLM Chain
OpenAI Chat Model
N
No Operation, do nothing
S
Split Out
M
Merge
C
Callback Waiting Answer
A
Answer?
Connect to SAP
Get Header
Get Row Details
Generate DocumentLines
Create JSON
POST PurchaseInvoices
PurchaseInvoices created
T
Trigger Receive Message
C
Capture Telegram Data
File Received
Download File
Upload File LlamaIndex
Validate Status LlamaIndex
S
Status?
Get Results LlamaIndex
Structured Output Parser…
Detail
Header
¿Upload to SAP?
27 nodes27 edges

Cómo funciona

  1. 1

    Disparador

    El flujo de trabajo comienza con un disparador disparador.

  2. 2

    Procesamiento

    Los datos fluyen a través de 27 nodos, connecting chainllm, code, googlesheets.

  3. 3

    Salida

    El flujo de trabajo completa su automatización y entrega el resultado al destino configurado.

Detalles de nodos (27)

GO

Google Sheets

googleSheets

#1
HT

HTTP Request

httpRequest

#2
TE

Telegram

telegram

#3
CO

Code

code

#4
BA

Basic LLM Chain

n8n-nodes-langchain.chainLlm

#5
OP

OpenAI Chat Model

n8n-nodes-langchain.lmChatOpenAi

#6
ST

Structured Output Parser

n8n-nodes-langchain.outputParserStructured

#7

Cómo importar este flujo de trabajo

  1. 1Haz clic en el botón Descargar JSON a la derecha para guardar el archivo del flujo de trabajo.
  2. 2Abre tu instancia de n8n. Ve a Flujos de trabajo → Nuevo → Importar desde archivo.
  3. 3Selecciona el archivo automated-invoice-processing-with-telegram-gpt-4o-ocr-and-sap-integration descargado y haz clic en Importar.
  4. 4Configura las credenciales para cada nodo de servicio (claves API, OAuth, etc.).
  5. 5Haz clic en Probar flujo de trabajo para verificar que todo funcione, luego actívalo.

O pega directamente en n8n → Importar desde JSON:

{ "name": "Automated Invoice Processing with Telegram, GPT-4o, OCR and SAP Integration", "nodes": [...], ...}

Integraciones

chainllmcodegooglesheetshttprequestlmchatopenaimergeoutputparserstructuredsetsplitoutswitchtelegramtelegramtriggerwait

Obtener este flujo de trabajo

Descarga e importa con un solo clic

Descargar JSONVer en n8n.io
Nodos27
Complejidadhigh
Disparadortrigger
Vistas12,872

Creado por

Raquel Giugliano

Raquel Giugliano

@raquelgiugliano

Etiquetas

chainllmcodegooglesheetshttprequestlmchatopenaimergeoutputparserstructuredsetsplitoutswitch

¿Nuevo en n8n?

n8n es una herramienta de automatización de flujos de trabajo gratuita y de código abierto. Alójala tú mismo o usa la versión en la nube.

Obtener n8n gratis →

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