Blog
All articles. All pillars. All authors.
Amount Display Bugs: When 5 USD Shows as 0.05
The amount display bugs that plagued 0fee.dev: wrong divisions, integer vs float, and how we fixed them across 50+ files. By Juste A. Gnimavo.
Docker Production Deployment for EasyPanel
How we containerized 0fee.dev with Docker for EasyPanel deployment across 3 services with nginx and security headers. By Juste A. Gnimavo.
What's Next for 0fee.dev
The roadmap for 0fee.dev: subscriptions, payouts, dispute management, more African providers, and multi-currency wallets. By Juste A. Gnimavo.
86 Sessions in 80 Days: The Complete Build Timeline
The complete build timeline of 0fee.dev: 86 sessions across 80 days, from first commit to production deployment. By Juste A. Gnimavo.
SDK v3: PHP, Go, Rust, Java, Flutter, and React Native
How we expanded the 0fee.dev SDK portfolio from 2 to 8 languages, jumping from 21% to 79% API coverage in two sessions. By Juste A. Gnimavo and Claude.
The CLI Tool: zerofee-cli
How we built zerofee-cli with Python, Typer, Rich, and httpx -- login, payments, webhook forwarding, log streaming. By Juste A. Gnimavo and Claude.
The Big Currency Update: Source and Destination Currencies
How we redesigned 0fee.dev's currency model with source and destination currencies across 13 files. By Juste A. Gnimavo and Claude.
The Test Provider and Sandbox System
How 0fee.dev built a test provider with magic amounts, test cards, and a sandbox system for developers to test payments safely.
Security Audit: What We Found and How We Fixed It
A transparent look at the security weaknesses we found in 0fee.dev and the systematic fixes we applied. By Juste A. Gnimavo and Claude.
Building 8 SDKs With Zero Human Engineers
How we built 8 SDKs in 7 languages plus 3 platform plugins for 0fee.dev with zero human engineers. By Juste A. Gnimavo and Claude.
Building a Payment Platform From Abidjan, Ivory Coast
How we built 0fee.dev from Abidjan with one CEO and one AI CTO in 86 sessions over 80 days. Zero human engineers. By Juste A. Gnimavo.
Why We Built a Payment Orchestrator From Scratch
Why we built 0fee.dev, a payment orchestrator covering 53+ providers across 200+ countries. By Juste A. Gnimavo and Claude, from Abidjan.