Build customer-facing remittance integrations with YesCash.
Developer documentation for partner technical teams integrating customer registration, authentication, profile, KYC, beneficiaries, signed quotes, transfers, funding webviews, cancellation, and status tracking.
Guides
Quick Start
Start here: credentials, headers, first calls, and implementation checklist.
Integration Overview
Understand the customer app integration model and API surfaces.
Authentication
Registration, login, token refresh, logout, password reset, identifiers, and device registration.
Core API
Profile, KYC, beneficiaries, quotes, transfers, funding, cancellation, and status.
End-to-End Flows
Main customer journeys and recommended call order.
Headers, Idempotency & Errors
Request headers, idempotency, retry behavior, and error handling.
Quote Signing
Partner quote commitment, JWS signing, JCS canonicalisation, and validation rules.
JWKS Key Management
Partner JWKS publication, key rotation, and public-key management.
Device Authentication
Device key registration and transfer confirmation assertions.
Webviews
KYC and funding webview handling in partner apps.
Customer Status & UX
Customer status values and recommended UX behavior.
Sandbox & Testing
Sandbox setup, test order, and certification coverage.
Go-Live Checklist
Production readiness checklist for partner integrations.
API Reference
Authentication API
Customer registration, login, token lifecycle, identifier management, password reset, and device registration.
Core API
Customer profile, KYC, beneficiaries, quotes, transfers, funding, cancellation, and status pull.
Downloads
Markdown, DOCX, OpenAPI YAML, Postman collection, and sandbox environment files.