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

Hoch Komplexität Auslöser27 Knoten🏷️ Invoice Processing👁 12,872 Aufrufevon Raquel Giugliano

Übersicht

++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

Verwendete Knoten

Google SheetsHTTP RequestTelegramCodeBasic LLM ChainOpenAI Chat ModelStructured Output Parser

Workflow-Vorschau

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

So funktioniert es

  1. 1

    Auslöser

    Der Workflow startet mit einem auslöser-Auslöser.

  2. 2

    Verarbeitung

    Die Daten fließen durch 27 Knoten, connecting chainllm, code, googlesheets.

  3. 3

    Ausgabe

    Der Workflow schließt seine Automatisierung ab und liefert das Ergebnis an das konfigurierte Ziel.

Knotendetails (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

So importieren Sie diesen Workflow

  1. 1Klicken Sie rechts auf die Schaltfläche JSON herunterladen, um die Workflow-Datei zu speichern.
  2. 2Öffnen Sie Ihre n8n-Instanz. Gehen Sie zu Workflows → Neu → Aus Datei importieren.
  3. 3Wählen Sie die heruntergeladene Datei automated-invoice-processing-with-telegram-gpt-4o-ocr-and-sap-integration und klicken Sie auf Importieren.
  4. 4Richten Sie Anmeldedaten für jeden Dienstknoten ein (API-Schlüssel, OAuth usw.).
  5. 5Klicken Sie auf Workflow testen, um zu überprüfen, ob alles funktioniert, und aktivieren Sie es dann.

Oder direkt in n8n → Aus JSON importieren einfügen:

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

Integrationen

chainllmcodegooglesheetshttprequestlmchatopenaimergeoutputparserstructuredsetsplitoutswitchtelegramtelegramtriggerwait

Diesen Workflow holen

Herunterladen und mit einem Klick importieren

JSON herunterladenAuf n8n.io ansehen
Knoten27
Komplexitäthigh
Auslösertrigger
Aufrufe12,872

Erstellt von

Raquel Giugliano

Raquel Giugliano

@raquelgiugliano

Tags

chainllmcodegooglesheetshttprequestlmchatopenaimergeoutputparserstructuredsetsplitoutswitch

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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