... which on its own doesn't solve any user's problems.
Open source is a plus over ppq though.
Discussion
Routstr also supports the x-cashu (NUT-24) header protocol .. u don't need to have any balance by ur provider, basically u pay per request .. u will need to have a client that can extract the model cost per request and can generate a cashu token .. https://otrta.routstr.com/documentation/overview
Other projects are following