Show HN: I Made an SMS Checker to Stop Free Trial Spam and Other Fraud Attacks

One of my sites got hit with a card testing attack April 2023. Tried all of Stripe’s recommendations, none worked. What stopped the attack and loss of money was just a 1-time SMS verification with a real phone number. This service just makes the process much simpler.

Comments URL: https://news.ycombinator.com/item?id=41549239

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