MyBrocard - Brocard allows you to create an unlimited number of virtual cards for paying for advertising and other online payments, manage a team of buyers, choose from 20+ bins for various tasks, and enjoy convenient API for integrations.
Giftbit Payment API - Stripe for gift cards
Coinramp - The Coinramp Card lets you spend over 10+ cryptocurrencies like cash, online, in-stores and ATM withdrawals. Available in 100+ countries, no ID needed. Anonymous Crypto Cards
Wirize - Payment checkout for freelancers
PST.NET - Virtual payment cards for online shopping and advertising
Payant for Messenger - Pay + get paid anywhere, including messaging apps