If by "fake" you mean ones that pass number validation on web sites, that's easy. I wrote python code to check and generate valid numbers back in the '90s; it's a simple, well known check digit algorithm appended at the end. https://en.wikipedia.org/wiki/Luhn_algorithm.
PCI audits are fun for everyone
Also what service do you use to mint endless virtual cc numbers?
We’re using Airwallex now. They’ve been great.
You can read more about the implementation in our blogpost: https://blog.thinkst.com/2024/12/its-baaack-credit-card-cana...
Why is this a given? This service has been around for longer than LLMs have been a thing.
- No LLMs
- LLMs as tools
- LLMs decided some things
- YOLO vibecoded
blog posts date back to at least 2015: https://leonjza.github.io/blog/2015/09/10/canarytokens---the...
I've been using it since 2015