Engineering Blog

Insights, Guides & Telecom Infrastructure

Technical deep dives into SMS carrier routing, 2FA security, high-throughput delivery, and building frictionless verification workflows in Nepal.

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Infrastructure 14 min read

How to Ensure 99.9% OTP Delivery Rates Across NTC & Ncell Networks in Nepal

An in-depth technical analysis of mobile carrier routing in Nepal, managing Short Message Service Centers (SMSC), overcoming DND filters, and building zero-latency failover pipelines.

July 28, 2026 Read

Infrastructure 12 min read

Preventing SMS Pumping & Toll Fraud in Nepalese Web and Mobile Applications

Protect your API credit balance and engineering infrastructure from automated SMS toll fraud, botnets, and fake registration scripts targeting OTP endpoints.

May 10, 2026 Read