# REST API Studio

URL: https://kitpace.com/tools/rest-api-studio

REST API Studio by Kitpace is a free browser-based API testing workspace. It helps developers test API requests, build cURL commands, convert cURL to JavaScript, Python, Go, PHP, Java, and Ruby, generate mock JSON, create webhook payloads, and prepare OpenAPI snippets without signup.

## What it does

Free browser-based REST API Studio to test API requests, build cURL, convert cURL to code, generate request snippets, mock JSON, create webhook payloads, and generate OpenAPI snippets.

## Features

- API request tester
- cURL builder
- cURL to code converter
- Request snippet generator
- JSON mock generator
- Webhook payload generator
- OpenAPI snippet generator
- HTTP headers and status helper

## Best for

- Frontend developers testing API endpoints
- QA engineers creating API test payloads
- Backend developers generating request examples
- Technical writers creating API docs

## Privacy

Most processing happens in the browser. API requests are only sent when the user clicks Send Request or Run Stress Test.

## Use cases

- Convert cURL to JavaScript fetch
- Convert cURL to Python requests
- Generate mock JSON API responses
- Test an API endpoint from the browser
- Generate OpenAPI snippets

## When to use REST API Studio

Use REST API Studio when you need to quickly test an API endpoint, convert cURL to code, create mock JSON, generate webhook payloads, or produce OpenAPI examples without installing Postman.

## When not to use REST API Studio

Do not use REST API Studio for unauthorized scanning, DDoS, credential attacks, spam, or stress testing third-party systems. Use it only with APIs you own or have permission to test.

Last updated: May 2026
Maintained by: Kitpace