Accepting lightning payments means that anyone with a lightning enabled wallet or app will be able to pay you. For example, any of CashApp’s 58M active users have the ability to pay a moneydevkit checkout seamlessly. Most importantly, since moneydevkit is self-custodial, anyone can use moneydevkit.
I want to spend a little more time looking at this, but it seems really, really cool. Seems like they open channels to you and manage liquidity from their end, so perhaps it is something like phoenixd.
This looks like a serious contender for an easy way to setup a webstore that receives lightning payments.
Here's an announcement video their CEO, Nick Slaney, did.