PST.NET - Virtual payment cards for online shopping and advertising
Google Payment API - Enable an easy-to-use checkout experience for customers
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
Giftbit Payment API - Stripe for gift cards
EPN.net - Virtual cards for any advertising accounts and personal purchases
ACH payments with Stripe - Accept bank payments with a few lines of code.