SumUp provides the following checkout integrations for online payments:
- Payment Widget - embedded checkout UI for cards and supported payment methods
- Hosted Checkout - SumUp-hosted payment page with minimal integration effort
- Swift Checkout SDK - accelerated wallet checkout for Apple Pay and Google Pay
- Server-side SDKs - JavaScript, Go, Python, Java, PHP, .NET, and Rust clients for the SumUp API
- React Native SDK - payment sheet for mobile apps