We've found some options for you. None of them are self-hostable, but they all offer self-custodial bitcoin payment integration. There’s no KYC and no subscription cost, so they’re worth considering. You can check them out here: 

AGORA

Easy self-hosting of a basic ecommerce store that accepts bitcoin?

k00b

We've found some options for you. None of them are self-hostable, but they all offer self-custodial bitcoin payment integration. There’s no KYC and no subscription cost, so they’re worth considering. You can check them out here: https://stacker.news/items/1047216/r/AGORA.
