GPT-5.4-Powered · pytest-native · Multi-platform

API Tests, Written
by AI. In Seconds.

Paste your OpenAPI spec. REST&TEST generates a complete, executable pytest suite — covering success paths, error cases, parameter validation, and edge conditions. No boilerplate. No guessing.

Windows macOS Linux
REST&TEST
Dashboard Stats CI/CD
API Documentation (OpenAPI)
"openapi": "3.0.0",
"info": {
"title": "Payment API",
"version": "1.0.0"
},
"paths": {
"/payments": {
"post": { ... }
Generated Tests ✓ 24 tests
import pytest
import requests
 
def test_post_payment_success():
resp = requests.post(f"{BASE}/payments",
json={"amount": 100})
assert resp.status_code == 200
24 passed · 0 failed · 2.3s Coverage: 94%
10x
Faster test creation
100%
pytest compatible
3
Platforms supported
AI
Powered by GPT-5.4

Everything you need to own your API quality

From spec to CI/CD pipeline — REST&TEST handles every step of the testing lifecycle.

AI Test Generation

Paste your OpenAPI/Swagger JSON and watch GPT-5.4 produce a full pytest suite in seconds — covering happy paths, error cases, missing fields, and invalid inputs. Zero manual effort.

  • OpenAPI 3.x & Swagger 2.x support
  • Parametrized edge-case tests
  • Auth header injection
  • 4xx / 5xx error coverage

Auto-Repair

When tests fail, the AI diagnoses the issue and rewrites the failing code — automatically. Set it to loop until all tests pass.

Analytics & Stats

Track success rates, execution times, and coverage over every run. Spot regressions before they reach production.

Traffic Recorder

Capture real HTTP traffic from a built-in browser or proxy and generate tests from actual API interactions — not just docs.

Multi-Environment

Switch between dev, staging, and production environments with one click. Variables and configs isolated per context.

CI/CD Integration

Connect your Git repo, configure auto-generation triggers, and run tests automatically on every push. Pipeline-ready from day one.

Plugin System

Extend REST&TEST with custom scripts, assertion helpers, and fixtures. Full Python ecosystem available inside the test runtime.

Secure Cloud Backend

Every account connects to our managed, HTTPS-only backend — JWT authentication, encrypted sessions, rate limiting, and security headers included. No setup, no infrastructure to manage.

  • HTTPS & TLS enforced
  • JWT + PBKDF2-SHA256 auth
  • Your generated code stays on your machine
  • Rate limiting & abuse protection

From spec to passing tests in 4 steps

01

Download & sign in

Download the REST&TEST desktop app for your platform. Sign in with your account — the app connects to our backend automatically. No configuration required.

# Already handled for you
 
Server: restandtest.xyz
Auth: JWT · HTTPS
Status: ● connected
02

Paste your OpenAPI spec

Create a project and paste your OpenAPI/Swagger JSON into the documentation panel. You can also upload a file or pull directly from a URL or Git repository.

{
"openapi": "3.0.0"
"paths": { ... }
}
03

Click Generate Tests

One click sends your spec to the AI. Watch the status bar as GPT-5.4 analyzes every endpoint, parameter, and response code — then writes comprehensive tests for each.

Generating tests...
Analyzing POST /payments → writing edge cases
04

Run, repair & ship

Run tests with real-time output. Failed something? Click Auto-Repair — the AI rewrites the failing test and reruns until everything passes. Then hook it into your CI/CD pipeline.

Analyzing failure...
Patched auth header injection
All 24 tests passing
Ready to deploy

Pay for what you actually use

Every plan includes the full desktop app. AI credits are consumed when you generate or repair tests — nothing else.

Starter
9/mo
For individuals exploring AI-powered testing.
20 generations / mo
40 repairs / mo
Additional: €0.60 / generation  ·  €0.30 / repair
  • Full desktop app (Win, Mac, Linux)
  • Unlimited projects & test files
  • Multi-environment support
  • Analytics & run history
  • Email support
Team
79/mo
For engineering teams that need shared credits and access control.
400 generations / mo
800 repairs / mo
Additional: €0.25 / generation  ·  €0.15 / repair
  • Everything in Pro
  • Up to 5 seats
  • Shared credit pool
  • Usage dashboard per user
  • Dedicated support
What counts as a generation? One click of "Generate Tests" on a project — regardless of how many endpoints the spec contains.
What counts as a repair? Each individual Auto-Repair run on a failing test file. Running tests themselves is always free.
Overages & billing Overage charges are metered and billed at the end of each month. You can set a credit limit to prevent unexpected charges.

Built for every role on the team

API Developers

Validate your endpoints while you build. Generate tests from your spec, catch regressions immediately, and ship with confidence — without writing a single test by hand.

TDD friendly Instant feedback No boilerplate

QA Engineers

Generate 10x more test coverage in the same time. The AI writes the routine cases — you focus on exploratory testing and complex scenarios that need human judgment.

Full coverage Auto-repair Traffic capture

DevOps Engineers

Plug REST&TEST into your CI/CD pipeline. Auto-generate and run tests on every push against staging. Catch API breakage before it reaches production.

Git integration CI/CD ready Multi-env

Engineering Teams

Share a credit pool across your whole team. Every developer gets the full IDE, with usage tracked per seat and a shared analytics dashboard for managers.

Shared credits Team analytics Per-seat access

Trusted by developers who ship

"We went from writing tests by hand to having a full suite generated in under a minute. REST&TEST cut our QA cycle from a full day to a morning — the auto-repair feature alone is worth the subscription."

Marcus L.
Lead Backend Engineer · FinTech SaaS

"Our API has 80+ endpoints. Getting meaningful coverage used to take weeks. Now I paste the spec, generate, and our CI pipeline runs tests on every PR. The traffic recorder is a game-changer for undocumented endpoints."

Priya K.
QA Engineer · E-commerce Platform

"I was sceptical about AI-written tests but the output is genuinely good — it catches edge cases I wouldn't have thought to write manually. The pytest output drops straight into our GitHub Actions workflow."

Tom R.
Solo Developer · B2B API Product

"We put 5 developers on the Team plan. Shared credits, shared test files, and everybody sees the same run history. Our bug-to-deploy cycle dropped by almost half in the first month."

Sofia M.
Engineering Manager · SaaS Startup

Built on tools you already trust

Python 3
pytest
GPT-5.4
Electron
Windows
macOS
Linux
HTTPS / TLS

Get the app — sign in and go

Download the REST&TEST desktop app for your platform. Sign in with your account and you're connected instantly — no configuration, no server setup.

Windows installer automatically handles Python 3 and all required packages. macOS: if Gatekeeper blocks launch, go to System Settings → Privacy & Security → Open Anyway.

Common questions

No. Paste your OpenAPI spec and click Generate. The AI writes all the test code. You can review and edit the generated code if you want, but it's entirely optional.

REST&TEST accepts OpenAPI 3.x and Swagger 2.x in JSON format. You can paste it directly, upload a file, or pull it from a URL or Git repository.

A generation is one click of "Generate Tests" on a project — the AI produces a complete test suite from your spec. A repair is one Auto-Repair run on a failing test file. Running tests, editing code, and managing projects are always free and never consume credits.

Additional generations and repairs are billed at your plan's overage rate and charged at the end of the month. You can set a hard credit limit in your account settings to prevent any overages if preferred.

Running existing tests against a local API is fully offline. AI generation and repair require an internet connection to reach our backend. The app itself is a native desktop application and runs locally on your machine.

Your OpenAPI spec is sent to our backend where GPT-5.4 processes it. The spec is not stored after generation completes. All generated test code lives only on your machine — we never retain, log, or access it.

The Windows installer automatically sets up Python 3.12 and installs pytest, requests, and pytest-xdist. On macOS, you need Python 3 already installed — the app creates a virtual environment automatically on first launch.

Yes. REST&TEST uses pytest-xdist for parallel test execution. You can configure the number of workers in the run options dropdown. Parallel execution is included on all plans.

REST&TEST is proprietary software. You may install and use it under the terms of your subscription. Redistribution, modification, and reverse-engineering are not permitted. Contact admin@restandtest.app for licensing inquiries.

Stop writing tests manually.

Let AI handle the boilerplate — you focus on shipping.