Sanwo

Sanwo is free, open-source infrastructure that unifies payment providers behind one API. Ships with Paystack, Flutterwave, Razorpay, Monnify, and Interswitch — and supports any provider through custom templates. Native SDKs for React, Vue, Svelte, React Native, Flutter, iOS, and Android. No-code support for Shopify, WordPress, Webflow, Wix, and Squarespace. One interface, every provider, every platform. Apache-2.0 licensed, free forever.