Verify guides and articles

8 articles from eSMS Africa about verify. Newest first.

• Send and check OTP codes with the eSMS Verify API Create a Verify app, then use two calls, start and check, to send one-time codes by SMS and confirm them. eSMS generates, sends, expires and rate-limits the code. Developer guides· 5 min read
• Why OTP codes fail or arrive late in Africa, and how to fix them A symptom-first guide to OTP delivery problems across Africa: read the delivery report, fix sender IDs and number formats, stop retry storms and add a fallback, with a Verify API sample. Developers· 9 min read
• OTP for Nigerian Fintechs: Transactional Route, Device Binding and Fraud Controls Send OTPs on a transactional sender ID, word them so customers cannot be talked out of them, and block SMS pumping. A practical guide for Nigerian wallets and lenders. Developers· 9 min read
• Why OTPs Fail in Kenya and How to Design Verification That Arrives OTP not received on Safaricom? The usual causes are the wrong sender ID, promotional-looking text, resend loops and unmonitored delivery. Here is how to fix each one. Developers· 7 min read
• OTP Not Delivering to MTN, Airtel or Glo Users? A Debugging Checklist OTPs failing on one Nigerian network but not another? Work through route class, sender ID approval, content, DND, ported numbers and resend logic, with the delivery statuses that point to each cause. Developers· 7 min read
• Why OTPs fail in Tanzania and how to fix them Unregistered sender IDs, generic names, bad number formats, roaming tourists and resend spam explain most failed OTPs in Tanzania. Here is how to diagnose and fix each one. Developers· 7 min read
• OTP for fintech apps in Zambia: sender IDs, routing and fallbacks How to send OTP for mobile money and fintech apps in Zambia: sender ID rules, routing across Airtel, MTN and Zamtel, fallbacks, fraud defences and a working eSMS Verify code sample. Developers· 7 min read
• Phone Verification and OTP in Africa: How the Verify API Works Add phone verification and two-factor authentication across Africa with a managed OTP API - two endpoints handle the whole flow. Products· 1 min read