Best way to accept SOL payments?

I’m considering adding SOL payments to our website. My ideal workflow would be that on the wallet page of our website people click the SOL icon, and then are somehow able to send in as much as they want. They’re essentially buying credit on our website, so $0.01 works, $10 also works. It’s unclear to me whether it’d be better to just display an address and a QR code to scan for any wallet to use, or to prompt a pop-up so that they can deposit using Solflare or whatever, not sure what the most common or best workflow is here.

What would be the best way to set this up? I’d ideally want to allow people to deposit in SOL, or USDC on SOL, or really any other token in SOL but have all of it auto-swapped to USDC on SOL.