Based on our record, Mercury API seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Seems to me you are looking for payment routing. This is something you can program into API's of banks directly : Https://mercury.com/api Https://developer.bankofamerica.com/CPODevPortal/apidocs/public/#/home. Source: over 2 years ago
Teller API - A single API to connect your app with any bank's account
Google Payment API - Enable an easy-to-use checkout experience for customers
ACH payments with Stripe - Accept bank payments with a few lines of code.
Bonsai - One platform to streamline your agency business. Consolidate your projects, clients and finances into one integrated and easy-to-use platform.
Wisefin API - Turn messy bank transaction names into beautiful data
TrueLayer - Simple Bank APIs to access real-time financial data