So to use it won't require anyone else's permission or a business signing up in advanced? Will it be available to the US? 

TonyGiorgio

We're starting with lipa & relai. Not sure I understand your confusion. Open source in this case means this isn't a proprietary interface, anyone is free to use it (not the case with "banking API"). It also means that once brokers supports it, any client will be able to use it.

bitcoin

Introducing FiatLink: A Lightning ↔ Fiat Standard

We're starting with lipa & relai. Not sure I understand your confusion. Open source in this case means this isn't a proprietary interface, anyone is free to use it (not the case with "banking API"). It also means that once brokers supports it, any client will be able to use it. 