0fee
The payment API built for Africa
Payment orchestration supporting 150+ providers across Africa. MTN MoMo, Orange Money, Wave, M-Pesa, Stripe, PayPal. Unified API, unified webhooks, AI smart routing. Fixed 0.99% fee.
Building 0fee
Why We Built a Payment Orchestrator From Scratch
Why we built 0fee.dev, a payment orchestrator covering 53+ providers across 200+ countries. By Juste A. Gnimavo and Claude, from Abidjan.
Building a Payment Platform From Abidjan, Ivory Coast
How we built 0fee.dev from Abidjan with one CEO and one AI CTO in 86 sessions over 80 days. Zero human engineers. By Juste A. Gnimavo.
The Test Provider and Sandbox System
How 0fee.dev built a test provider with magic amounts, test cards, and a sandbox system for developers to test payments safely.
A Stripe-Inspired Marketing Website in SolidJS
How we built 0fee.dev's Stripe-inspired marketing website with interactive code examples, pricing calculator, and country map.
The CLI Tool: zerofee-cli
How we built zerofee-cli with Python, Typer, Rich, and httpx -- login, payments, webhook forwarding, log streaming. By Juste A. Gnimavo and Claude.
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.
Christmas Day Debugging: i18n, SDKs, and Currency Bugs
Sessions 064-067 on Christmas Day 2025: building i18n, rewriting SDKs, and fixing currency bugs from Abidjan. By Juste A. Gnimavo.
One API, 53+ Providers, 200+ Countries
How 0fee.dev unifies 53+ payment providers across 200+ countries into one API. Code examples, routing logic, and coverage. By Juste A. Gnimavo.
The Africa Payment Problem: Why Stripe Is Not Enough
Africa's $1T+ mobile money market needs more than Stripe. How 0fee.dev solves the Africa payment problem. By Juste A. Gnimavo and Claude.
Payment Links: Shareable URLs for Any Payment
How 0fee.dev payment links work: shareable URLs, customer data collection, currency conversion, and invoice generation. By Juste A. Gnimavo and Claude.
Webhook Delivery and Retry System
How 0fee.dev delivers webhooks with HMAC-SHA256 signatures, exponential backoff retries, and auto-disable after failures. By Juste A. Gnimavo and Claude.
The Middleware Stack: Auth, Rate Limiting, and Idempotency
How 0fee.dev handles API key auth, Redis-based rate limiting, and idempotency keys to prevent duplicate payments. By Juste A. Gnimavo and Claude.