Automated Invoice Processing: Telegram, OCR, GPT-4o & SAP
Automates invoice handling from Telegram using OCR and LLM extraction, logs to Google Sheets, and pushes to SAP Business One on approval.
This workflow streamlines invoice processing by receiving PDF invoices via Telegram, performing OCR with LlamaIndex to extract content, and using GPT-4o via LangChain for structured JSON data parsing. The extracted header and line item data are saved to dedicated Google Sheets tabs for easy review and auditing.
Upon completion, the Telegram bot prompts the user for confirmation to integrate with SAP Business One. If approved, it fetches data from Sheets, formats it per SAP's API (including DocumentLines and CardCode), and creates a Purchase Invoice, returning the DocEntry for reference.
Benefits include significant time savings on manual data entry, reduced errors through AI-powered extraction, and seamless bridging of chat-based input to enterprise ERP systems. Ideal for small businesses, accounting teams, or any operation handling vendor invoices via mobile apps, enhancing efficiency and compliance.
New buyers can create an account from the cart to unlock a controlled $10 first-purchase credit on eligible orders of $25+.
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How to import this workflow into n8n
- 1Purchase or download the workflow to get the n8n workflow JSON file.
- 2In your n8n instance, open Workflows and choose "Import from File" (or paste the JSON with Ctrl+V on the canvas).
- 3Open each node marked with a credential warning and connect your own accounts and API keys.
- 4Run the workflow once manually to verify the data flow, then toggle it to Active.
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