https://blog.kennedywambua.dev/Notes from building payment systems, business software and AI features.enhttps://blog.kennedywambua.dev/why-mintfa-never-retries-a-paymenthttps://blog.kennedywambua.dev/why-mintfa-never-retries-a-paymentMon, 09 Nov 2026 00:00:00 GMTWhen M-Pesa goes quiet after a payment request, the tempting fix is to send it again. Here's why Mintfa asks instead, and hands the hard cases to a person.