Crypto Subscriptions API - Accept cryptocurrency subscriptions on your website
Munt - Accept multiple cryptocurrencies with just 5 lines of code
Fliqpay - Accept cryptocurrency payments worldwide
Solana Pay - Introducing Solana Pay, a decentralized, secure, and open-source payments protocol for the next generation of merchant payments Money with wings.
Payzo - Accept credit cards with zero coding (for freelancers)
MetaMask.io - A crypto wallet & gateway to blockchain apps