Worldwide Stablecoin Payment Network (WSPN) launched Global Payment 1.0, a comprehensive API-driven payment infrastructure designed specifically for institutional clients. This innovative solution provides seamless connectivity between major stablecoins and fiat currencies, enabling businesses to integrate complete crypto payment capabilities into their existing systems. Global Payment 1.0 offers institutional clients a unified platform for USDT/USDC/WUSD to fiat conversions, providing both on-ramp and off-ramp services through a single, robust API interface. The solution eliminates the complexity traditionally associated with crypto-fiat transitions, offering businesses a streamlined pathway to digital asset integration. The platform covers the entire operational workflow through API connectivity, from initial client onboarding to transaction execution. Institutional clients can seamlessly manage registration processes, KYB procedures, compliance verification, on-ramp services, off-ramp functionality, and token swapping—all through standardized API calls. The solution is designed with simplicity and efficiency at its core, ensuring smooth user experiences while maintaining the robust security and compliance standards required by institutional clients. The API architecture allows for rapid deployment and easy maintenance, reducing time-to-market for businesses seeking to integrate crypto payment capabilities.