CompletedCloudflare WorkersCloudflare D1Razorpay+2 more
CosmiCode Subscriptions Platform
Production-ready platform for selling course subscriptions, built with Cloudflare Workers, D1, and Razorpay.
Timeline
2026
Role
Full-Stack Developer
Team
Solo
Status
CompletedTechnology Stack
Cloudflare Workers
Cloudflare D1
Razorpay
TypeScript
React
Key Challenges
- Building reliable subscription purchase flows with payment verification.
- Designing an edge-first backend architecture with Cloudflare Workers.
- Managing consistent data flow between plans, users, and payment status.
Key Learnings
- Built production-grade payment workflows using Razorpay APIs.
- Learned practical edge deployment patterns with Cloudflare Workers and D1.
- Improved architecture decisions for scalable subscription products.
Overview
This platform powers online course subscription sales with a production-ready stack optimized for speed and reliability.
Core Features
- Plan selection and pricing flow for learners.
- Secure payment processing through Razorpay.
- Subscription and user data handled through Cloudflare D1.
- Fast edge-backed backend using Cloudflare Workers.
Outcome
The project demonstrates end-to-end full-stack capability for launching and managing a monetized education product.