Blog
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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.
The Pricing Evolution: From Tiers to 0.99%
How 0fee.dev's pricing evolved from 3 tiers to a flat 0.99% fee with no monthly charges and infinite credit. By Juste A. Gnimavo.
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.
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.
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.
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.
Why the World Needs a $2 Cron Job Service
The cron job market is broken: free tools are unreliable, paid tools start at $19/mo. Here is why we built 0cron at $1.99/mo unlimited from Abidjan.
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.
Architecture Decisions: Python, FastAPI, SolidJS, SQLite
The architecture behind 0fee.dev: why we chose Python FastAPI, SolidJS, SQLite, DragonflyDB, and Celery. By Juste A. Gnimavo and Claude.
BUI and PaiementPro: Local Champions for West Africa
How 0fee.dev integrates BUI and PaiementPro for West African mobile money with OTP validation, Wave redirect, and SDK integration.
The Simplified 3-Field API: Amount, Currency, Reference
How 0fee.dev reduced its payment API to 3 required fields: amount, currency, and reference. Hosted checkout as the default. By Juste A. Gnimavo and Claude.
The Developer Console: Tabs, Status Checker, and Widget Preview
How we built the 0fee.dev Developer Console with interactive status checker, widget preview, and downloadable templates. By Juste A. Gnimavo and Claude.