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Kulpay API

Complete technical documentation for the Kulpay financial services platform. Core API and Collection API — architecture, endpoints, and business processes for partner integration.

Get StartedAPI Reference
15API Services
80+Endpoints
9Business 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

15 services covering customer management, KYC verification, payment collection, invoicing, merchant onboarding, and identity management. Full request/response documentation.

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Business Processes

9 documented business workflows: customer onboarding, fund transfers, cash withdrawals, merchant onboarding, invoice lifecycle, payment collection, and more.

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