I think OC mostly does payments with PayPal. But at least they have other options.

It's crazy how many services are just thin skin apps with PayPal in the bg

Edit: looks like librapay is also paypal. But they also offer stripe as an alternative.

But neither OC nor LP are alternatives to PayPal. I mean neither are payment processors. They're both dependent on other payment processors.

We need a real PayPal alternative, in addition to crypto