Blog
All articles. All pillars. All authors.
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.
Lessons From Building a Fintech Platform With AI
What worked, what was hard, and what surprised us building 0fee.dev as a CEO-AI CTO team. Advice for AI-assisted fintech. By Juste A. Gnimavo.
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.
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 Numbers: 86 Sessions, 70,000+ Lines of Code
The complete statistical breakdown of 0fee.dev: 86 sessions, 70,000+ lines, 90+ endpoints, 8 SDKs, and more. By Juste A. Gnimavo.
API Documentation: 90+ Endpoints Fully Documented
How we documented 90+ API endpoints across 18 route modules with scroll-spy navigation and multi-language code examples. By Juste A. Gnimavo and Claude.
Merging the Marketing Website Into the Frontend
How we merged 0fee.dev's separate marketing website into the frontend app, going from 3 services to 2 with 3-layout routing.
The GetStarted Onboarding Stepper
How we built a 6-step onboarding stepper for 0fee.dev with auto-verification polling, progress tracking, and sandbox reset. By Juste A. Gnimavo and Claude.
The Feature Request Module: Developer Feedback Loop
How we built the 0fee.dev feature request system with 4 tables, 20 API routes, upvoting, and priority levels. By Juste A. Gnimavo.
OAuth Authentication: Google, GitHub, Microsoft, and Apple
How we implemented OAuth with Google, GitHub, Microsoft, and Apple on 0fee.dev, including Apple's popup flow. By Juste A. Gnimavo.
Financial Compliance: OHADA 10-Year Retention Rules
How OHADA's 10-year document retention rules shaped 0fee.dev's deletion policy and archive system. By Juste A. Gnimavo and Claude.
WHMCS, WordPress, and WooCommerce Plugins
How we built 3 platform plugins for 0fee.dev -- WHMCS, WordPress, and WooCommerce -- plus downloadable code samples in 5 languages. By Juste A. Gnimavo.