
Email Verification API vs CAPTCHA: What Actually Stops Fake Signups?
CAPTCHA checks whether a visitor is human. An email verification API checks whether the address is real. Here is which fake signups each catches and how to combine them.
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CAPTCHA checks whether a visitor is human. An email verification API checks whether the address is real. Here is which fake signups each catches and how to combine them.

One person, twenty trials, zero revenue. How disposable emails drive free-trial abuse, what it quietly costs SaaS companies, and the layered fix that starts at your signup form.

Every fake signup costs you a bounced welcome email, a polluted funnel, or an abused free trial. Here’s how to block them without slowing down real users.