{"product_id":"automate-pdf-summaries-corenexis-ocr-gpt-4-with-n8n","title":"Automate PDF Summaries: CoreNexis OCR \u0026 GPT-4 with n8n","description":"\u003cp\u003eTransform any PDF document into a comprehensive, AI-powered summary delivered straight to your inbox with this powerful n8n automation workflow. Combining CoreNexis OCR technology with GPT-4 intelligence, this workflow automatically extracts text from uploaded PDFs and generates structured summaries in a beautiful HTML email format.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cp\u003eThis streamlined automation process requires no user accounts or complex setup. Users simply fill out a form with their name, email, and PDF file upload. The workflow then:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExtracts user metadata and identifies the PDF binary through a custom code step\u003c\/li\u003e\n\u003cli\u003eSubmits the PDF to CoreNexis OCR API for comprehensive text extraction\u003c\/li\u003e\n\u003cli\u003eIntelligently polls the OCR status with automatic retry logic until processing completes\u003c\/li\u003e\n\u003cli\u003eDownloads the extracted text file from CoreNexis output URL\u003c\/li\u003e\n\u003cli\u003eUses GPT-4.1-mini to analyze the full text and create a structured 5-section Markdown summary covering Document Overview, Key Points, Important Numbers and Dates, Action Items, and Executive Summary\u003c\/li\u003e\n\u003cli\u003eConverts the summary into a branded HTML email using GPT-4o-mini\u003c\/li\u003e\n\u003cli\u003eAutomatically delivers the final summary to the user's inbox via Gmail\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cp\u003ePerfect for businesses and professionals who need quick document analysis: legal teams reviewing contracts, executives processing reports, researchers analyzing academic papers, consultants summarizing client documents, or sales teams extracting key information from proposals and presentations.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cp\u003eBuilt with essential n8n nodes including Form Trigger for seamless file uploads, HTTP nodes for CoreNexis OCR API integration, Code nodes for data processing, Wait nodes for intelligent polling, IF nodes for conditional logic, Gmail for email delivery, and OpenAI nodes for GPT-4 summarization. The workflow includes robust error handling and automatic retry mechanisms.\u003c\/p\u003e\n\n\u003cp\u003eSetup requires only CoreNexis API credentials from api.corenexis.com and OpenAI API access. Simply replace the API keys in the designated HTTP and OpenAI nodes to activate this powerful PDF automation solution.\u003c\/p\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45539171336371,"sku":"N8N-15956","price":18.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/himBqoSgjEuTDqjWHyJqW_475961fc9a38473d9ab6a3a24cc22fab.jpg?v=1779872940","url":"https:\/\/buyflowscripts.com\/products\/automate-pdf-summaries-corenexis-ocr-gpt-4-with-n8n","provider":"N8N Commerce","version":"1.0","type":"link"}