Jo4 - URL Shortener & Analytics API

Jo4 is a modern URL shortening service with QR code generation and detailed link analytics.

Authentication

All protected endpoints require an API key. Set your API key as an environment variable:

export JO4_API_KEY="your-api-key"

Get your API key from: https://jo4.io/api-keys

API Base URL

https://jo4-api.jo4.io/api/v1