Open-source API client for fast testing, debugging and shipping.

Erynthis is a Rust API client built for developers who need fast request testing, local environments, response inspection and reliable API debugging without heavy desktop overhead.

Erynthis API client screenshot

Fast API Testing

Built with Rust for instant startup, low memory usage and quick request testing when you need to iterate on APIs without Electron-style lag.

Local Environments

Keep collections and environment variables on your machine by default so teams can debug APIs with more control over private development data.

Open-Source Workflow

Use a transparent open-source API client with a cleaner workflow for inspecting responses, tracing issues and improving day-to-day developer productivity.

Test APIs faster.
Debug with confidence.

Try Erynthis to send HTTP requests, inspect responses and debug your API workflow in a desktop client built for speed, clarity and control.

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