Welcome to SUNBAY Developer Documentation

Build payment technology that connects merchants and users, turning every transaction into a growth engine. From low-code integration to enterprise solutions, we help you launch quickly, focus on innovation, and accelerate growth.

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Products

In-Person Payments

Payment terminal applications supporting swipe, insert, tap, and QR code payments

Online Payments

Payment links, Hosted Payment Pages, digital wallets, and subscription payments

Developer Resources

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Quick Start Integration Guide SDKs API Reference Sandbox Best Practices FAQ Changelog