What would you like to build?
Building a platform that requires a store of value and movement of funds? Use the API to create & manage wallets.
Allow users to access plastic or virtual debit cards. Decide if they are open/close loop, one or multiple currencies.
Programmatically move money in any direction: P2P, P2B, B2P or just about anyway you can think of.
Contact Sales for Early Access and explain what you want to build.