How I Stopped Worrying About Fake Signups (And Built an API Instead)

The $500/month wake-up call Three months ago, I checked my SaaS expenses and nearly fell off my chair. NeverBounce was charging me $487 for the month. For email validation . I run a small project management tool with about 15,000 users. Every signup, I validate their email to make sure it's real. Seems responsible, right? Well, at $0.008 per validation, those pennies add up fast. The worst part? About 30% of my "validations" were just people mistyping their email on the signup form. I was literally paying money to tell users "you spelled Gmail wrong." So I did what any developer does when they're annoyed: I spent a weekend building my own solution. Why email validation matters (the hard way) Before I was paying NeverBounce, I learned the hard way why you need email validation. Week 1 without validation: 47 signups from tempmail.com addresses 23 from 10minutemail.com Users creating accounts just to leave spam in comments Support tickets from people who couldn't log in (they typo'd their