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

Hoog complexiteit Trigger27 knooppunten🏷️ Invoice Processing👁 12,872 weergavendoor Raquel Giugliano

Overzicht

++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

Gebruikte knooppunten

Google SheetsHTTP RequestTelegramCodeBasic LLM ChainOpenAI Chat ModelStructured Output Parser

Workflow-voorvertoning

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

Hoe het werkt

  1. 1

    Trigger

    De workflow start met een trigger-trigger.

  2. 2

    Verwerking

    Gegevens stromen door 27 knooppunten, connecting chainllm, code, googlesheets.

  3. 3

    Uitvoer

    De workflow voltooit zijn automatisering en levert het resultaat aan de geconfigureerde bestemming.

Knooppuntdetails (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

Hoe deze workflow te importeren

  1. 1Klik op de knop JSON downloaden rechts om het workflowbestand op te slaan.
  2. 2Open uw n8n-instantie. Ga naar Workflows → Nieuw → Importeren uit bestand.
  3. 3Selecteer het gedownloade bestand automated-invoice-processing-with-telegram-gpt-4o-ocr-and-sap-integration en klik op Importeren.
  4. 4Stel inloggegevens in voor elk serviceknooppunt (API-sleutels, OAuth, enz.).
  5. 5Klik op Workflow testen om te controleren of alles werkt, activeer het vervolgens.

Of plak rechtstreeks in n8n → Importeren uit JSON:

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

Integraties

chainllmcodegooglesheetshttprequestlmchatopenaimergeoutputparserstructuredsetsplitoutswitchtelegramtelegramtriggerwait

Haal deze workflow op

Download en importeer met één klik

JSON downloadenBekijken op n8n.io
Knooppunten27
Complexiteithigh
Triggertrigger
Weergaven12,872

Gemaakt door

Raquel Giugliano

Raquel Giugliano

@raquelgiugliano

Tags

chainllmcodegooglesheetshttprequestlmchatopenaimergeoutputparserstructuredsetsplitoutswitch

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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