Title Hackathon Participant Badge Generator with QR Code & Email Delivery Description A fast, reliable, and fully automated workflow that generates professional participant badges for hackathons, tech events, and workshops — complete with unique Badge ID, QR verification, PDF output, and email delivery . This workflow takes any simple registration input and transforms it into a verified, branded participant badge in under 10 seconds. What this workflow does Accepts event registrations via a POST Webhook (name, email, event, team, role). Performs input validation and disposable/fake email detection using VerifiEmail. Creates a unique Badge ID (e.g., HACK-2025-1763560499-AB3XYF ). Generates a public verification URL and QR code for check-in. Builds a high-resolution badge (1056×816px) with event branding, logo, gradient background, and QR code. Converts the HTML badge design into a print-ready PDF using PDFMunk (htmlcsstopdf). Sends a beautiful HTML email via Gmail that includes: Inline badge preview (visible immediately) Attached PDF badge Verification URL + Badge ID Logs all badge metadata to Google Sheets for audit and check-in tracking. Returns a clean JSON success response to the caller. Use Cases Ideal for: Hackathons & tech conferences Engineering fests & competitions Workshops, meetups, bootcamps Any event requiring verified digital badges with QR check-in Key Features Real-time email verification blocks fake/disposable registrations. QR code check-in powered by a reliable public QR API. Fully customizable badge design — swap logos, colors, fonts easily. Inline email preview means participants see their badge instantly. Complete event log stored in Google Sheets with timestamps, PDF links, and verification URLs. Extendable (add Slack alerts, Drive uploads, role-based templates, etc.) Setup Instructions (5 Minutes) Add your credentials: VerifiEmail PDFMunk (HTML → PDF) Gmail Google Sheets Update your: Logo URL Verification domain Activate the workflow and start sending POST requests to the Webhook. Badges will be generated and emailed automatically — no manual work needed. Why this workflow is special It’s built for speed, reliability, visual quality, and zero manual overhead . Participants receive a sleek, branded badge instantly, organizers get automated logs, and your event gets a professional identity. Perfect for teams who want enterprise-grade badge automation without writing a single line of code. Tags hackathon, badge, qr-code, pdf, email, gmail, automation, participant, event, check-in, google-sheets