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Fake signups cost SaaS companies real money — AI credits burned, trials abused, metrics inflated. isDisposable catches them before they enter. Three detection layers: 160K+ domain blocklist, real-time DNS/MX fingerprinting that catches new disposable services, and risk scoring 0-100. One line to integrate: isDisposable(email). Free npm package forever. Pro API from $9/mo adds a dashboard showing exactly how much money you're saving. Paste our AI prompt into Cursor — done in 60 seconds.
isDisposableOpen-source disposable email detection API platform
Muhammd Junaid Shaukatleft a comment
Hello Everyone! I'm Junaid, and I built isDisposable because every SaaS I used had the same blind spot — you could sign up with a temp email and abuse the free tier endlessly. I found that ~23% of SaaS signups use disposable emails. That's real money lost on AI credits, email sends, and compute that goes to users who'll never come back. What makes isDisposable different: → Largest open-source...
isDisposableOpen-source disposable email detection API platform