Automate Colombian Invoice Processing with AI
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This n8n workflow revolutionizes Colombian invoice processing by automatically monitoring your Gmail for zipped invoice attachments. It intelligently extracts PDF and XML data, then leverages AI to parse and structure key invoice details like CUFE, total amounts, and company information into a clean JSON format, ready for your systems.
About This Workflow
Manual invoice processing is a time-consuming and error-prone task, especially with country-specific formats like those in Colombia. This powerful n8n workflow eliminates the need for manual data entry by fully automating the ingestion and extraction of Colombian invoice data. It starts by monitoring a designated Gmail inbox for incoming emails containing zipped invoices. Once detected, the workflow automatically unzips the attachments, distinguishes between PDF and XML documents, and extracts their content. Leveraging advanced AI capabilities via OpenAI, it intelligently parses these diverse formats, standardizing critical information like invoice numbers, dates, tax details, and company specifics into a structured JSON output. This ensures efficiency, accuracy, and compliance, making your financial operations seamless.
Key Features
- Automated Email Monitoring: Continuously monitors a specified Gmail inbox for incoming emails with zipped attachments, initiating the processing automatically.
- Intelligent Attachment Handling: Automatically filters for, unzips, and then categorizes attachments into PDF and XML formats for specialized processing.
- AI-Powered Data Extraction: Utilizes OpenAI's language models and n8n's Langchain tools to intelligently extract and structure complex invoice data from both PDF and XML documents into a defined JSON schema.
- Colombian E-Invoicing Support: Specifically designed to handle common Colombian invoice formats, including the extraction of CUFE and other relevant financial details.
- Structured Output: Transforms unstructured or semi-structured invoice data into a clean, consistent JSON output, ready for integration with accounting systems or databases.
How To Use
- Configure Gmail Trigger: Set up your Gmail OAuth2 credentials. In the
On Email receiptnode, ensure theqfilter (has:attachment filename:zip) matches your incoming invoice emails. Adjust the polling interval (e.g.,every 30 minutes) as per your operational needs. - Provide OpenAI Credentials: Securely add your OpenAI API key credentials within n8n and link them to the
OpenAI Chat Modelnode. This is essential for the AI-powered data extraction. - Customize Structured Output Parser: Review the
jsonSchemaExamplein theStructured Output Parsernode. Modify this JSON schema to precisely match the structure and fields you require for your extracted invoice data. - Refine Extraction Prompts (Optional): If invoices vary significantly, you might need to adjust the prompt in the
OpenAI Chat Modelnode to guide the AI for more accurate data extraction based on your specific document layouts. - Integrate Output: After the
Structured Output Parser, connect additional nodes (e.g., database nodes, CRM nodes, custom HTTP requests) to push the standardized invoice data into your preferred accounting software, ERP, or internal database.
Apps Used
Workflow JSON
{
"id": "a5d3b5f2-0f2b-4952-ac82-65f2d87d6286",
"name": "Automate Colombian Invoice Processing with AI",
"nodes": 10,
"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: a5d3b5f2-0f2b...
About the Author
Crypto_Watcher
Web3 Developer
Automated trading bots and blockchain monitoring workflows.
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