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Kulpay API

Complete technical documentation for the Kulpay financial services API. Architecture, endpoints, and business processes for partner integration.

9API Services
40+Endpoints
6Business Processes
gRPC + RESTDual Protocol
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System Architecture

Go-based microservice with gRPC and REST gateway. PostgreSQL database, Redis caching, Docker/Kubernetes deployment, and multi-adapter payment processing.

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API Reference

9 services covering customer management, KYC verification, payment processing, bill management, licensing, and device tracking. Full request/response documentation.

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Business Processes

6 documented business workflows: customer onboarding, fund transfers, cash withdrawals, account top-ups, payment method registration, and fund requests.

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