02 / 08 · Fintech · E-commerce
Hasibul Gaming Point
High-traffic digital marketplace, ZiniPay gateway & Telegram bot command center
Overview
A production gaming goods storefront engineered for instantaneous digital delivery under heavy traffic surges. Customers purchase PUBG UC, Free Fire Diamonds, Valorant Points, and Steam cards with instant payment verification through ZiniPay (bKash, Nagad, Rocket, Cards) or manual USDT transfer verification. A custom Telegraf bot worker processes webhooks to dispatch activation codes in under 3 seconds, while trusted users can utilize an automated Pay Later and dues credit pipeline.
- Next.js 16
- React 19
- TypeScript 5.7
- MongoDB Atlas
- Mongoose 9
- NextAuth.js v5
- ZiniPay API
- Zustand 5
- Tailwind CSS v4
- Telegraf 4
- Resend API
- Checkout
- < 3.2 s
- Delivery
- Instant
- Cart state
- Zero lag
- Audience
- 10,000+ monthly users
Engineering decisions
Telegram Bot Command Center
Telegraf 4 bot worker listening to webhooks for instant push alerts, inline order approvals, order lookups, and real-time revenue calculations directly in Telegram.
Pay Later & Dues Settler
Built-in credit pipeline for verified users with autoDeductDue algorithms clearing outstanding debts oldest-first when user wallets receive funds.
Cryptographic Webhook Idempotency
Strict payload signature verification and unique transaction keys preventing replay attacks and duplicate voucher releases.
- 01
Cryptographic webhook signature verification and idempotency keys on ZiniPay callbacks preventing double credit or replay attacks.
- 02
Real-time Telegram Bot command center for admin operations: instant order alerts, user lookup, revenue analytics, and one-tap order approvals.
- 03
Zustand client store with localStorage synchronization maintaining persistent cart, search filters, and real-time wallet balances.
- 04
11-tab operational admin dashboard managing order queues, wallet adjustments, dynamic hero banners, site parameters, and discount coupons.
- 05
Pay Later credit engine with automated dues tracking, administrative review workflows, and auto-deduction on subsequent wallet top-ups.
Screens & Walkthrough
Production gallery(3 high-res captures)
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