Blog
All articles. All pillars. All authors.
42 Files, 7,900 Lines, 45 Minutes: The First Session
How we built the entire 0fee.dev backend in 45 minutes: 42 files, 7,900 lines, 5 payment providers, 30+ API endpoints. By Juste A. Gnimavo and Claude.
The Intelligent Payment Routing Engine
How 0fee.dev routes payments across 117 methods and 53+ providers using priority-based selection with automatic fallback. By Juste A. Gnimavo and Claude.
Currency Conversion Across 25+ Currencies
How 0fee.dev handles currency conversion across 25+ currencies with free APIs, caching, and locale detection. By Juste A. Gnimavo and Claude.
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.
Internationalization: 15 Backend Languages, 5 Frontend
How 0fee.dev implements 15 backend languages and 5 frontend languages with SolidJS Context API, RTL Arabic, and 1,350+ keys.
Dark Mode Across 19 Dashboard Pages
How we systematically implemented dark mode across 19 dashboard pages in 0fee.dev with consistent patterns and intentional exclusions.
UI Polish: From Functional to Premium
How 0fee.dev evolved from functional to premium with SVG icons, custom Select components, card styling, and syntax highlighting.
Hub2: Covering Francophone Africa
How 0fee.dev integrates Hub2 for mobile money payments across 8 Francophone African countries with Orange, MTN, Wave, and Moov.
One Command to Deploy: How We Built sh0 push
How we built sh0 push -- a single command that detects your stack, packages files, uploads, builds, and returns a live URL in under 40 seconds.
PawaPay: Pan-African Mobile Money for 21+ Countries
How 0fee.dev integrates PawaPay's hosted payment page for mobile money across 21+ African countries with correspondent codes.
The 0.99% Fee Model: Zero Monthly Fees
How 0fee.dev pricing works: 0.99% per transaction, zero subscriptions, monthly invoicing, multi-currency conversion. By Juste A. Gnimavo and Claude.
Session 3: Marketing Website, 5 New SDKs, and Docker
How we built the 0fee.dev marketing website, 5 SDKs (Go, Ruby, PHP, Java, C#), and Docker stack in one session. By Juste A. Gnimavo and Claude.