Munt - Accept multiple cryptocurrencies with just 5 lines of code
Cash App - The easy way to send, spend, bank, and invest.
Fliqpay - Accept cryptocurrency payments worldwide
Facebook Pay - Send money to your friends via Messenger
Solana Pay - Introducing Solana Pay, a decentralized, secure, and open-source payments protocol for the next generation of merchant payments Money with wings.
PayPal.Me - Request money using your own personalized URL.