[carlosjobim]

> what's to stop Stripe from raising fees even more?

There's a big amount of competitors for card processing. Just because they aren't well known within tech circles doesn't mean they don't exist.

[account42]

There are many card processors but how many of them provide services equivalent to stripe?

[dewey]

Adyen has a big overlap and they are huge (https://docs.adyen.com/api-explorer/).

[carlosjobim]

There are many burger chains, but do any of them serve Big Macs like McDonald's?

No, so that means McDonald's can charge 500 dollars for a burger, or does it?