Blog
All articles. All pillars. All authors.
The December 12 Marathon: 13 Sessions in One Day
13 development sessions in a single day: the December 12 marathon that transformed 0fee.dev from prototype to platform. By Juste Thales Gnimavo.
Documentation as Product
How we documented 30 CLI commands across a marketing page, dashboard page, and 4 doc pages in 5 languages -- treating documentation as a product feature, not an afterthought.
Session 4: CLI Tool, Hosted Checkout, and API Documentation
How we built the zerofee-cli, hosted checkout pages, and 5 API documentation files in one session. Session 004 deep dive. By Juste Thales 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.
Session 2: Dashboard, SDKs, Checkout Widget, and Celery in 60 Minutes
How we built the 0fee.dev dashboard, checkout widget, 2 SDKs, and Celery tasks in 60 minutes. Session 002 deep dive. By Juste Thales 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 Thales 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 Thales Gnimavo and Claude.
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.
The Checkout Widget: 21KB IIFE That Handles Everything
How we built 0fee.dev's 21KB checkout widget as a Vite IIFE library build with country selection, OTP support, and phone input.
Hub2: Covering Francophone Africa
How 0fee.dev integrates Hub2 for mobile money payments across 8 Francophone African countries with Orange, MTN, Wave, and Moov.
PayPal Integration: Orders API and Redirect Flow
How 0fee.dev integrates PayPal Orders API v2 for global wallet payments with redirect flow, capture on return, and webhook handling.
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.