Generate Verified Gym Trial Passes with QR Code, Email & PDF Export

Description

Verified Gym Trial Pass with Photo ID

Overview

Automate gym trial pass generation with email verification, photo ID integration, QR codes, and professional PDF passes. This workflow handles the complete member onboarding process - from signup to verified pass delivery - in under 10 seconds.

What This Workflow Does

Receives signup data via webhook (name, email, photo URL, validity dates)
Verifies email authenticity using VerifiEmail API (blocks disposable emails)
Generates unique Pass ID in format GYM-{timestamp}
Creates QR code for quick check-in at gym entrance
Builds branded pass design with gradient styling, member photo, and validity dates
Exports to PDF format for mobile-friendly viewing
Sends email with PDF attachment and welcome message
Logs all registrations in Google Sheets for record-keeping
Returns API response with complete pass details

Key Features

✅ Email Verification - Blocks fake and disposable email addresses
✅ Photo ID Integration - Displays member photo on digital pass
✅ QR Code Generation - Instant check-in scanning capability
✅ Professional Design - Gradient purple design with modern styling
✅ PDF Export - Mobile-friendly format that members can save
✅ Automated Emails - Welcome message with pass attachment
✅ Spreadsheet Logging - Automatic record-keeping in Google Sheets
✅ Error Handling - Proper 400 responses for invalid signups
✅ Success Responses - Detailed JSON with all pass information

Use Cases

Gyms & Fitness Centers** - Trial pass management for new members
Yoga Studios** - Week-long trial class passes
Sports Clubs** - Guest pass generation with photo verification
Wellness Centers** - Temporary access cards for trial periods
Co-working Spaces** - Day pass generation with member photos
Swimming Pools** - Verified trial memberships with photo IDs

What You Need

Required Credentials

VerifiEmail API - Email verification service
Get API key: https://verifi.email

HTMLCSSToImage API - PNG image generation
Get credentials: https://htmlcsstoimg.com

HTMLCSSToPDF API - PDF conversion
Get credentials: https://pdfmunk.com

Gmail OAuth2 - Email delivery
Connect your Google account
Enable Gmail API in Google Cloud Console

Google Sheets API - Data logging
Connect your Google account
Same OAuth2 as Gmail

Setup Instructions

Step 1: Create Google Sheet

Create a new Google Sheet named "Gym Trial Passes 2025"
Add these column headers in Row 1:
Pass ID
Name
Email
Start Date
Valid Till
Issued At
Email Verified
Status

Step 2: Configure Credentials

Add VerifiEmail API credentials
Add HTMLCSSToImage credentials
Add HTMLCSSToPDF credentials
Connect Gmail OAuth2
Connect Google Sheets OAuth2

Step 3: Update Google Sheets Node

Open "Log to Google Sheets" node
Select your "Gym Trial Passes 2025" sheet
Confirm column mappings match your headers

Step 4: Test the Workflow

Copy the webhook URL from the Webhook node
Open Postman and create a POST request
Use this test payload:

{
"name": "Rahul Sharma",
"email": "[email protected]",
"photo_url": "https://images.unsplash.com/photo-1633332755192-727a05c4013d?w=400",
"start_date": "2025-11-15",
"valid_till": "2025-11-22"
}

Send the request and check:
✅ Email received with PDF pass
✅ Google Sheet updated with new row
✅ Success JSON response returned

Step 5: Activate & Use

Click "Active" toggle to enable the workflow
Integrate webhook URL with your gym's website form
Members receive instant verified passes upon signup

Expected Responses

✅ Success Response (200 OK)

{
"status": "success",
"message": "Gym trial pass verified and sent successfully! 🎉",
"data": {
"pass_id": "GYM-1731398400123",
"email": "[email protected]",
"name": "Rahul Sharma",
"valid_from": "November 15, 2025",
"valid_till": "November 22, 2025",
"email_verified": true,
"recorded_in_sheets": true,
"pass_sent_to_email": true
},
"timestamp": "2025-11-12T10:30:45.123Z"
}

❌ Error Response (400 Bad Request)

{
"status": "error",
"message": "Invalid or disposable email address. Please use a valid email to register.",
"email_verified": false,
"email_provided": "[email protected]"
}

Customization Options

Modify Pass Design

Edit the Build HTML Pass node to customize:
Colors and gradient (currently purple gradient)
Layout and spacing
Fonts and typography
Logo placement (add your gym logo)
Additional branding elements

Change Email Template

Edit the Send Email with Pass node to modify:
Subject line
Welcome message
Instructions
Branding elements
Footer content

Adjust Validity Period

Workflow accepts custom start_date and valid_till from webhook payload. You can also hardcode validity periods in the Generate Pass Details node.

Add Additional Fields

Extend the workflow to capture:
Phone number
Emergency contact
Medical conditions
Membership preferences
Referral source

Performance

Average execution time**: 8-12 seconds
Handles**: 100+ passes per hour
PDF size**: ~150-250 KB
Email delivery**: Instant (Gmail API)
Success rate**: 99%+ with valid emails

Security & Privacy

✅ Email verification prevents fake signups
✅ Unique Pass IDs prevent duplication
✅ All data logged in your private Google Sheet
✅ No data stored in n8n (passes through only)
✅ HTTPS webhook for secure data transmission
✅ OAuth2 authentication for Google services

Tags

gym fitness trial-pass email-verification qr-code pdf-generation member-onboarding automation verification photo-id