On: I didn't get paid, so I open-sourced my client’s project

[m-p-3]

Yeah, unless banks provide oAuth or APIs to get that information securely and easily revokable, I guess that's the best we have.

[afrodc_ → m-p-3]

FAPI[0] should presumably be the way forward for Banks to do this, given the adoption actually happens at scale.

[0] https://openid.net/wg/fapi/