Case Study

API & Payments Core

A scalable backend that handles auth, payments, and on-chain events.

  • NestJS
  • TypeScript
  • Solana
  • PostgreSQL
  • JWT
  • REST API

Problem

The platform needed a secure API for user management, payout logic, and blockchain syncing.

Solution

We built a modular NestJS API with JWT auth, event-driven blockchain listeners, and audited payment flows.

Our Role

Backend architecture, smart contract integration, and infrastructure setup.

Result

Stable production API with automated monitoring and clear OpenAPI docs for partners.

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