TrueCheck
Blog

Insights & updates

Engineering insights, product updates, and security deep dives from the TrueCheck team.

ProductMar 5, 2026

Why SMS Verification Still Matters in 2026

Despite the rise of passkeys and biometrics, SMS verification remains the most universally accessible second factor. Here is why it is not going anywhere.

EngineeringFeb 21, 2026

How We Achieved 99.9% Delivery Across 190 Countries

A deep dive into our carrier routing engine, automatic failover architecture, and the data pipelines that keep our delivery rate best in class.

12 min readRead article →

All articles

Security

Detecting SIM Swap Fraud in Real Time

SIM swap attacks are on the rise. Learn how TrueCheck uses carrier signals and behavioral analysis to flag compromised numbers before codes are sent.

Feb 10, 2026 · 8 min read
Company

Building a Culture of Developer Experience

What we learned from dog-fooding our own SDK and how it shaped our approach to API design, documentation, and developer support.

Jan 28, 2026 · 5 min read
Product

The True Cost of Failed OTP Delivery

Every undelivered verification code is a lost user. We quantify the impact and show how improving delivery rate directly boosts conversion.

Jan 15, 2026 · 7 min read
Security

SOC 2 Type II: Lessons From Our First Audit

An honest look at what it takes to achieve SOC 2 compliance as a fast-moving startup, including the tools and processes that made it manageable.

Jan 3, 2026 · 10 min read