Blog
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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.
Fixing Infinite Loops and 500 Errors
The infinite loops and 500 errors that struck 0fee.dev across multiple sessions, and how we traced and fixed each one. By Juste A. Gnimavo.
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 A. Gnimavo.
The API Playground: Interactive API Testing
How we built the 0fee.dev API Playground with 17 endpoints, JSON highlighting, cURL export, and request history. By Juste A. Gnimavo and Claude.
WAL Race Conditions and SQLite Lessons
The WAL mode race conditions that plagued 0fee.dev's SQLite database and ultimately pushed us to PostgreSQL. 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.
What No Human Engineer Would Do: 42 Files in 45 Minutes
Analyzing Session 001 of 0fee.dev: 42 files and 7,900 lines in 45 minutes. What AI does differently from human engineers. 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.
Seven SDKs in Seven Languages
How we built 7 SDKs for 0fee.dev in TypeScript, Python, Go, Ruby, PHP, Java, and C# across two sessions. By Juste A. Gnimavo and Claude.
16 Commands in One Day: The Complete CLI Story
How we built 16 CLI commands, 2 server endpoints, and a WebSocket streaming system -- audited through 6 independent sessions -- in a single day of AI-assisted development.
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.
From 10 Commands to 30: The Developer Ergonomics Sprint
How we added sh0 init, link, open, and config -- four commands that make the sh0 CLI feel like a native part of the developer's workflow, not an afterthought.