Not just a client. An intelligent API workspace.
{ "id": "usr_9f8a8b7c", "email": "developer@flint.io", "plan": "pro", "preferences": { "theme": "dark", "ai_provider": "openai" } }
The request succeeded. This is the authenticated user payload. The user is currently on the Pro plan with OpenAI selected as their provider.
Integrations
Works with the editors you love and the AI models you trust — all in one place.
Works with
Connects to
Works with every framework
We stripped away the clutter of legacy API tools and focused strictly on developer velocity.
Write a route in VS Code and watch it appear in your collection instantly. No importing. No manual setup.
Explain any response, debug any error, generate requests from plain English. Powered by Claude, GPT-4o, or Gemini.
Express, FastAPI, Django, Spring, Laravel, Rails, Gin, Actix. Flint speaks your language automatically.
All your data lives on your machine. No account required to use the full app. Your requests never touch our servers.
Test WebSocket, SSE, and Socket.io endpoints with full AI-powered message analysis and debugging.
Your requests, collections, and API keys never leave your machine. No tracking. No telemetry. Your data is yours.
Your code is the source of truth.
No manual entry needed.
Test the API with AI assistance.
All plans include the full feature set. No features locked behind paywalls except sync and team tools.
Local storage only.
For professional developers.
For engineering teams.