The Signal.
Thoughts, technical deep dives, and editorial essays on building the future of signup verification.
EngineeringApr 21, 2026
How to Detect Fake Signups in Real Time: A Complete Guide for SaaS Teams
Fake signups are the silent tax on every growing SaaS. Here's how to detect and block them in real time — without adding friction for legitimate users.
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EngineeringApr 18, 2026
Disposable Email Detection: What Works, What Doesn't, and Why It Matters
Disposable emails are the #1 indicator of low-intent signups. Here's a practical guide to detecting them — what works in 2026, what doesn't, and how to integrate detection into any stack.
By RohitRead

EngineeringApr 15, 2026
Bot Signup Prevention: Why CAPTCHA Isn't Enough in 2026
CAPTCHA solved 2015. Bot farms solved CAPTCHA. Here's how modern SaaS teams actually stop bot signups — without adding friction for real users.
By RohitRead
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