Automate Invoice Processing with LlamaParse and n8n
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Streamline your invoice management by automatically extracting structured data from PDFs using LlamaParse and integrating it into your workflow with n8n. This solution leverages advanced PDF parsing capabilities to populate your systems accurately and efficiently.
About This Workflow
This n8n workflow automates the complex task of processing incoming invoices. It starts by monitoring your Gmail for emails containing attachments, specifically targeting invoices. These attachments are then uploaded to LlamaParse, a powerful tool from LlamaIndex, designed to extract data from complex PDFs, including tables and figures. The parsed data, including granular line item details and financial summaries, is then structured using a JSON schema. Finally, this organized data is appended to a Google Sheet, ready for reconciliation and further analysis. The workflow ensures efficient and accurate data extraction, minimizing manual effort and reducing errors.
Key Features
- Automated Invoice Detection: Monitors Gmail for emails with attachments, filtering for specific senders.
- Advanced PDF Parsing: Utilizes LlamaParse to extract structured data from complex PDF invoices, including tables and figures.
- Intelligent Data Structuring: Employs a JSON schema to precisely categorize and organize extracted invoice information.
- Seamless Google Sheets Integration: Appends parsed invoice data to a designated Google Sheet for easy reconciliation and reporting.
- Service Limit Awareness: Includes a wait step to adhere to API usage limits.
How To Use
- Gmail Trigger Setup: Configure the
Receiving Invoicesnode to connect to your Gmail account and set filters to identify relevant invoices (e.g., by sender, subject, or presence of attachments). - LlamaParse Integration: Set up the
Upload to LlamaParsenode with your LlamaCloud API credentials. Ensure thefileparameter correctly points to the downloaded attachment from Gmail. - Status Monitoring: Connect the
Get Processing Statusnode to poll LlamaParse for the processing completion of your uploaded document. Use the job ID from the upload step. - Data Structuring: Configure the
Structured Output Parsernode with the provided JSON schema to define how the extracted data should be organized. - Google Sheets Output: Set up the
Append to Reconciliation Sheetnode with your Google Sheets credentials and specify the target spreadsheet and sheet name. Map the fields from the parsed output to your sheet's columns. - Workflow Orchestration: Connect the nodes in the correct sequence, ensuring data flows from Gmail to LlamaParse, then to the parser, and finally to Google Sheets. Adjust the
Wait to stay within service limitsnode as needed based on your API usage and processing volume.
Apps Used
Workflow JSON
{
"id": "8f972e8b-015c-4fd3-8278-beb4b1c95692",
"name": "Automate Invoice Processing with LlamaParse and n8n",
"nodes": 22,
"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.
Get This Workflow
ID: 8f972e8b-015c...
About the Author
Crypto_Watcher
Web3 Developer
Automated trading bots and blockchain monitoring workflows.
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