Automate Beta Tester Verification & Onboarding with Trello, Gmail and QR Codes

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Built by Jitesh Dugar Jitesh Dugar
Created on June 05, 2026

Description

Verified Beta Tester Access Kit - Automated Onboarding System

Transform Your Beta Testing Program

Automate your entire beta tester onboarding process from signup to tracking with this comprehensive, production-ready n8n workflow.

📚 CATEGORY TAGS

Primary Category:
✅ Marketing & Sales

Additional Tags:
Automation
Email Marketing
User Management
Onboarding
SaaS
Product Launch
Beta Testing
Access Control

What This Workflow Does

When a beta tester signs up through your form or API, this workflow automatically:

✅ Verifies Email Authenticity - Uses VerifiEmail API to validate addresses and block disposable emails
✅ Generates Unique Access Codes - Creates secure BETA-XXXXXX codes with timestamps
✅ Creates QR Codes - Generates scannable codes for quick mobile activation
✅ Builds Branded Access Cards - Produces professional HTML/CSS cards with tester details
✅ Converts to Images - Transforms cards into shareable PNGs
✅ Sends Welcome Emails - Delivers beautifully formatted emails via Gmail
✅ Logs in Trello - Creates organized tracking cards automatically
✅ Returns API Responses - Sends success/error responses with complete data

Complete execution time: 5-10 seconds per signup

Perfect For

🚀 SaaS startups launching beta programs
📱 Mobile app developers managing beta testers
🎮 Game studios running closed beta tests
🏢 Enterprise teams controlling early access
💼 Product managers organizing user testing
🔬 Research projects managing participants

Key Features

Security First
Real-time email validation
Blocks disposable email addresses
Unique, non-guessable access codes
Webhook authentication ready

Professional Branding
Customizable HTML/CSS templates
Embedded QR codes
Responsive email design
High-quality PNG generation

Team Collaboration
Automatic Trello card creation
Organized tracking boards
Checklist items for follow-ups
Easy team assignments

Production Ready
Comprehensive error handling
Detailed logging
Scalable architecture
Easy integration

What You'll Need

Required API Keys (All Have Free Tiers):

VerifiEmail - Email verification at https://verifi.email
HTMLCSSToImage - Image generation at https://htmlcsstoimg.com
Gmail Account - Email delivery
Trello Account - Project tracking at https://trello.com/app-key

Workflow Steps

Webhook receives POST request with tester data
VerifiEmail validates email authenticity
Conditional logic routes valid/invalid emails
Function generates unique BETA-XXXXXX access codes
HTTP Request creates QR code image
Set node stores QR code URL
HTMLCSSToImage converts access card to PNG
Gmail sends branded welcome email with kit
Trello creates tracking card in board
Webhook responds with success/error status

Sample Request

POST to webhook:
{
"tester_name": "Aarav Mehta",
"tester_email": "[email protected]",
"product_name": "YourApp v1.0",
"signup_date": "2025-11-05"
}

Success Response (200):
{
"status": "success",
"message": "Beta tester verified and access kit delivered",
"data": {
"tester_name": "Aarav Mehta",
"access_code": "BETA-A7K9M2",
"trello_card_created": true,
"email_sent": true,
"qr_code_generated": true
}
}

Error Response (400):
{
"status": "error",
"message": "Invalid or disposable email address detected",
"reason": "Disposable email"
}
Customization Options

Email Template
Modify HTML in Gmail node
Add company logo
Change colors and fonts

Access Card Design
Edit CSS in HTMLCSSToImage node
Adjust QR code size
Match your brand

Access Code Format
Change prefix from "BETA-" to your choice
Modify length and characters

Trello Integration
Add custom fields
Include labels
Set due dates
Assign team members

Use Cases

Mobile App Beta Launch
User fills form → Email verified → Code sent → App activated → Team tracks in Trello

SaaS Early Access
User signs up → Email validated → Access kit received → Product team manages

Game Testing Campaign
Player requests access → Email verified → Unique key generated → Community team tracks

What Makes This Special

Unlike simple email workflows, this is a complete system that handles:
Security (email verification)
Branding (custom access cards)
Communication (professional emails)
Tracking (team collaboration)
Integration (webhook API)

All in one cohesive, production-ready workflow!

Troubleshooting

Common Issues & Solutions:

Webhook not receiving data → Check URL and POST method
Email verification fails → Verify API key and rate limits
Gmail not sending → Reconnect OAuth2
Trello card fails → Confirm List ID is correct
Image not generating → Check HTMLCSSToImage credentials

🏷️ ADDITIONAL METADATA

Difficulty Level:
⭐⭐⭐ Intermediate (requires API key setup)

Time to Setup:
🕐 10-15 minutes

Nodes Used (4)

Code
n8n-nodes-base.code
Gmail
n8n-nodes-base.gmail
HTTP Request
n8n-nodes-base.httpRequest
Trello
n8n-nodes-base.trello