[toxic_]

Stripe's fraud detection heuristics are neither sophisticated nor particularly effective.

Judicious use of DNSBLs, port scanning and latency measurements, three measures which shouldn't take a competent technician more than a few days to knock together, will outperform Stripe.

[bpicolo]

If you're convinced you can outperform Stripe in a couple days, you should probably be launching your own fraud-fighting saas, because you'll make a killing. It's a literal many-billion-dollar opportunity.

[dylz]

I kind of want to take you up on this at a very basic level, as a weekend thing.

[Scoundreller]

Create an API so you can check them all with one request