AI-Powered Invoice Automation with LlamaParse and Google Sheets
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This powerful n8n workflow automates your invoice processing from start to finish. It intelligently extracts detailed information from incoming email attachments using advanced AI parsing, then structures this data and logs it directly into your Google Sheets for seamless reconciliation.
About This Workflow
Tired of manual invoice data entry? This n8n workflow revolutionizes how your business handles incoming invoices. It automatically monitors your Gmail for new invoices, leveraging cutting-edge AI technologies like LlamaParse to accurately extract complex information from even the most challenging PDF layouts, including tables and figures. The extracted data is then structured into a clean, standardized JSON format using OpenAI's powerful language models, ensuring consistency and accuracy. Finally, this rich, structured invoice data is appended directly to your designated Google Sheet, transforming your accounts payable process into an efficient, error-free automated system.
Key Features
- Automated Invoice Intake: Automatically scan your Gmail for new invoices with attachments from specific senders every minute.
- Advanced PDF Parsing (LlamaParse): Utilize LlamaParse to extract intricate data from complex PDF invoices, including embedded tables and figures, ensuring high accuracy.
- AI-Powered Data Structuring: Leverage OpenAI's language models (
gpt-3.5-turbo-1106) to interpret and format extracted invoice details into a predefined, comprehensive JSON schema, guaranteeing structured and consistent output. - Seamless Google Sheets Integration: Automatically append all extracted and structured invoice data directly into your Google Sheets for easy reconciliation, reporting, and archival.
- Comprehensive Data Extraction: Capture every critical detail from invoice date and numbers to line items, supplier/customer addresses, VAT information, and shipping addresses.
How To Use
- Configure Gmail Trigger: Set up the 'Receiving Invoices' node with your Gmail account credentials and define sender filters (e.g.,
invoices@paypal.com) to monitor for incoming invoices with attachments. - Set Up LlamaParse Credentials: Ensure your 'Upload to LlamaParse' HTTP Request node is configured with your LlamaIndex API credentials for robust document parsing.
- Connect OpenAI Account: Add your OpenAI API credentials to the 'OpenAI Model' node and verify the
gpt-3.5-turbo-1106model is selected for deterministic data interpretation. - Define Invoice Schema: Review and customize the
jsonSchemain the 'Structured Output Parser' node to precisely match all the detailed data points you need to extract from your invoices. - Configure Google Sheets: Connect your Google Sheets account to the 'Append to Reconciliation Sheet' node and specify the target spreadsheet and sheet name. Ensure the column mapping accurately aligns with the output fields from the 'Structured Output Parser'.
Apps Used
Workflow JSON
{
"id": "b3be6ec4-45f1-454f-a8bf-343057adb084",
"name": "AI-Powered Invoice Automation with LlamaParse and Google Sheets",
"nodes": 18,
"category": "Operations",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
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ID: b3be6ec4-45f1...
About the Author
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Connecting CRM, Notion, and Slack to automate your life.
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