as an average joe, I'm curious about how all this works / what else you need to make it work (what's a banking partner, etc?)
If you enjoy SOAP you'd feel right at home and likely have better tooling foundations already, if you don't you probably want a library like this one, at least when they've implemented SEPA support.
ISO20022 is the XML standard to send payment instructions, and this library conveniently exposes it's models in Typescript format. It seems like understanding what ISO20022 is is super important, so I'll spend some effort educating people on what this is