Open-source, self-hosted billing for AI products: price tokens by model, sell prepaid credits, see margin per customer, and charge through Stripe without the Stripe Billing fee.
A PHP interface for utilizing the Bluem services ePayments, eMandates, iDIN and/or IBAN-Name check. Utilize this library to write your own applications in PHP that communicate with Bluem, without having to handle the flow yourself.