Tag: Engineering
Everything we have written on Engineering.
No filler. Every piece on this list is something we use, ship, or sell against.
M-Pesa
How M-Pesa STK push works (and how to add it to your website)
Most M-Pesa tutorials are six years old and reference dead endpoints. This one is current, runs in production at TrafficBuddy and angaze.co, and covers everything from OAuth to callback handling.
15 May 2026 · 9 min read
WhatsApp
The complete WhatsApp Cloud API guide for Kenyan businesses
Seventy percent of Kenyan ecommerce decisions still happen inside WhatsApp. This is how to operate it like infrastructure instead of a chat sidekick.
15 May 2026 · 8 min read