Yes, the merchant implements it.
For on-chain payments, a facilitator makes a lot of sense since someone needs to handle submission and confirmation on-chain.
But with Lightning being inherently pee...
I had similar thoughts. It's not necessarily useful for the flow, but maybe the "compatibility" with x402 and being able to get bitcoin into the hands of x402 folks maybe?
Analyzed some data from Coinbase CDP x402 discovery API:
Analyzed some data from Coinbase CDP x402 discovery API:
❤️2