Features Pricing Docs
Sign In Get Started Free

Build faster. Debug smarter. Ship with confidence.

Not just a client. An intelligent API workspace.

Get Started Free See how it works
GET https://api.flint.sh/v1/users/me
Collections
📁 Core API
🟢 GET /users
🟢 GET /users/me
🟠 POST /users
Params Headers (2) Auth
200 OK
42ms   1.2KB
{
  "id": "usr_9f8a8b7c",
  "email": "developer@flint.io",
  "plan": "pro",
  "preferences": {
    "theme": "dark",
    "ai_provider": "openai"
  }
}
Flint AI

The request succeeded. This is the authenticated user payload. The user is currently on the Pro plan with OpenAI selected as their provider.

Everything connects through Flint.

Works with the editors you love and the AI models you trust — all in one place.

Works with

VS Code VS Code
JetBrains JetBrains
Neovim Neovim
Flint

Connects to

Anthropic Claude Anthropic Claude
OpenAI GPT-4o
Google Gemini Google Gemini
Mistral Mistral
Meta Llama Meta Llama

Works with every framework

Express Express
FastAPI FastAPI
Django Django
Spring Boot Spring Boot
NestJS NestJS
Laravel Laravel
Rails Rails
Go Go
Rust Rust
Bun Bun

Everything you need.
Nothing you don't.

We stripped away the clutter of legacy API tools and focused strictly on developer velocity.

01

Live Code Sync

Write a route in VS Code and watch it appear in your collection instantly. No importing. No manual setup.

02

AI That Actually Helps

Explain any response, debug any error, generate requests from plain English. Powered by Claude, GPT-4o, or Gemini.

03

Every Framework

Express, FastAPI, Django, Spring, Laravel, Rails, Gin, Actix. Flint speaks your language automatically.

04

Local First

All your data lives on your machine. No account required to use the full app. Your requests never touch our servers.

05

WebSocket Support

Test WebSocket, SSE, and Socket.io endpoints with full AI-powered message analysis and debugging.

06

Privacy First

Your requests, collections, and API keys never leave your machine. No tracking. No telemetry. Your data is yours.

From code to tested API in seconds.

1

Write your route

Your code is the source of truth.

router.post('/users', requireAuth, createUser)
2

Flint detects it

No manual entry needed.

New endpoint detected
POST /users
3

Send and understand

Test the API with AI assistance.

201 Created
User successfully created. The response contains the generated UUID and default preferences.

Simple pricing.

All plans include the full feature set. No features locked behind paywalls except sync and team tools.

Free

$0/month

Local storage only.

  • Full desktop app
  • Unlimited local requests
  • 10 AI calls per day
  • Bring your own AI key
Download Free
Most Popular

Pro

$8/month

For professional developers.

  • Everything in Free
  • Unlimited AI calls
  • Cloud sync across devices
  • Request history backup
Get Started

Team

$16/user/mo

For engineering teams.

  • Everything in Pro
  • Shared workspaces
  • Team collections
  • Role-based access
Start Team Trial