Automated digital certificate creator & validator with PDF generation

Quick overview Create personalized digital certificates through an n8n webhook, generate unique certificate IDs, store issued records, produce PDF certificates, email them to recipients, and expose a public endpoint for certificate verification. How it works Certificate request — A POST webhook receives the candidate's name, surname, course, and email address. Unique ID generation — A Code node creates a Certification ID, while Data Table lookups check for collisions before continuing. Certificate registry — Valid certificate records are stored in an n8n Data Table with candidate name, surname, and Certification ID. PDF generation — PDF Generator API renders a personalized certificate using

Help me set up the n8n workflow "Automated digital certificate creator & validator with PDF generation" (https://n8n.io/workflows/11097). It uses: Gmail, Code. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.