Hackathon Participant Badge Generator with QR Code, PDF & Email Delivery

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