Creator & Lead Developer
Moxiz Gateway
Payment Sandbox
What the project is
A payment sandbox for testing payment flows, API keys, webhooks, failures, and transaction states without using real money.
Problem it solves
It provides backend engineers and fintech developers a safe simulation environment to model payment lifecycles and operational infrastructure without worrying about production financial compliance.
My Role
Creator and Lead Developer.
Technologies Used & Architecture
Next.js 15, TypeScript, Firebase Firestore, Tailwind CSS, Shadcn UI.
Architecture: MerchantService → TransactionService → WebhookService → Firestore Data Layer (Service-Oriented Architecture).
Important Features
- Transaction Lifecycle Engine
- Payment Intent Simulation
- API Key Management
- Webhook Delivery & Replay
- Sandbox Failure Testing
- Real-Time Analytics Dashboard and Optimistic UI Updates
Current Status
Active Development.