Comparisons
SMS gateway vs OTP verification API: what is the difference?
An SMS gateway delivers messages. An OTP verification API also makes, checks and expires the code. Here is what each does and when you need which.
ComparisonsBest OTP verification APIs in Kenya (2026): how to choose
A fair guide to OTP verification options for Kenya in 2026: what to compare, how Africa's Talking, Twilio, Infobip, Vonage, Termii and Tambua differ.
ComparisonsTwilio Verify alternatives for Africa: what to compare before you switch
Considering a Twilio Verify alternative for African traffic? Compare pricing model, fallback, sender IDs, local channels and M-PESA before you switch.
ComparisonsSMS vs WhatsApp vs voice vs email OTP: which channel should you use?
A plain decision guide to choosing between SMS, WhatsApp, voice and email for one-time passcodes, based on your users and risk.