{"product_id":"lms-certificate-automation-with-webhook-groq-pdfshift","title":"LMS Certificate Automation with Webhook, Groq \u0026 PDFShift","description":"\u003ch3\u003eAutomate LMS Certificate Issuance end-to-end—triggered by a webhook\u003c\/h3\u003e\n\u003cp\u003eThis n8n workflow automatically generates and delivers LMS course completion certificates. When your LMS sends a course-completion webhook, it verifies passing status in Google Sheets, personalizes the certificate text with \u003cstrong\u003eGroq (Llama)\u003c\/strong\u003e, renders a styled PDF with \u003cstrong\u003ePDFShift\u003c\/strong\u003e, logs the issue in Google Sheets, and emails the certificate via \u003cstrong\u003eGmail\u003c\/strong\u003e—with \u003cstrong\u003eSlack\u003c\/strong\u003e alerts if anything goes wrong.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReceives a POST webhook\u003c\/strong\u003e at \u003ccode\u003e\/course-completion\u003c\/code\u003e containing \u003cstrong\u003ecourse_id\u003c\/strong\u003e, student details, score, and completion date.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChecks pass criteria\u003c\/strong\u003e by looking up the course’s pass threshold and certificate template details from the Google Sheets tab \u003cstrong\u003eCourseThresholds\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStops processing if not passing\u003c\/strong\u003e—the student’s score is compared against the configured threshold.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenerates personalized certificate text\u003c\/strong\u003e using Groq’s OpenAI-compatible chat completions API with \u003cstrong\u003eLlama\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilds a styled HTML certificate\u003c\/strong\u003e including a generated certificate ID, course name, score, and formatted completion date.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConverts HTML to PDF\u003c\/strong\u003e with the \u003cstrong\u003ePDFShift\u003c\/strong\u003e API and prepares the PDF as a binary attachment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLogs issuance\u003c\/strong\u003e by appending or updating an \u003cstrong\u003eIssuedCertificates\u003c\/strong\u003e registry in Google Sheets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEmails the PDF certificate\u003c\/strong\u003e to the student using \u003cstrong\u003eGmail\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNotifies on errors\u003c\/strong\u003e by posting workflow error alerts to a configured \u003cstrong\u003eSlack\u003c\/strong\u003e channel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCertify learners automatically after LMS course completion without manual review.\u003c\/li\u003e\n  \u003cli\u003eEnforce passing thresholds per course and issue certificates only for eligible students.\u003c\/li\u003e\n  \u003cli\u003eRun a training SaaS that needs consistent, branded PDF certificates with audit logging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNodes\/integrations:\u003c\/strong\u003e Webhook, IF, Code, Gmail, Slack, PDFShift, Groq (Llama), Google Sheets\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData sources:\u003c\/strong\u003e \u003cem\u003eCourseThresholds\u003c\/em\u003e (thresholds\/templates) and \u003cem\u003eIssuedCertificates\u003c\/em\u003e (registry)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperations:\u003c\/strong\u003e HTML certificate generation, PDF conversion, Google Sheets logging, email delivery, Slack error alerts\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45812007338163,"sku":"N8N-17973","price":4.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/xagWyAzF6kMyp8lpgGKhB_TOOLhdmM.png?v=1786352742","url":"https:\/\/buyflowscripts.com\/products\/lms-certificate-automation-with-webhook-groq-pdfshift","provider":"N8N Commerce","version":"1.0","type":"link"}