All API Tools

REST API Client

Send HTTP requests (GET, POST, PUT, DELETE) and inspect responses from your browser.

WebSocket Tester

Connect to WebSocket endpoints, send messages, and inspect frames.

HTTP Status Code Reference

Searchable reference of all HTTP status codes with descriptions and use cases.

Request Builder

Build HTTP requests interactively and generate code snippets in multiple languages.

curl to Fetch Converter

Convert curl commands to JavaScript fetch, Python requests, and more.

OpenAPI Validator

Validate OpenAPI 3.x and Swagger 2.0 specifications for correctness.

Mock API Generator

Generate mock API responses from JSON schemas for rapid development.

Docker → Compose

Convert docker run commands to docker-compose.yml format instantly.

Fake Data Generator

Generate realistic fake data including names, emails, phone numbers, addresses, and more.