Smart API Test Generator

Automated test case generation engine. Converts OpenAPI/Swagger specs into security, performance, and functional test suites.

Configuration

Base URL

Format

Auth Type

Token

API Input (Paste OpenAPI Spec)

{
  "openapi": "3.0.0",
  "info": { "title": "Sample User API", "version": "1.0.0" },
  "paths": {
    "/users": {
      "get": {
        "summary": "Get all users",
        "description": "Retrieves a list of all users.",
        "responses": { 
          "200": { "description": "OK" },
          "401": { "description": "Unauthorized" }
        },
        "security": [{"BearerAuth": []}]
      },
      "post": {
        "summary": "Create user",
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "email": { "type": "string", "format": "email" },
                  "age": { "type": "integer" }
                },
                "required": ["email"]
              }
            }
          }
        },
        "responses": { "201": { "description": "Created" } }
      }
    },
    "/users/{id}": {
      "get": {
        "summary": "Get user by ID",
        "parameters": [
          { "name": "id", "in": "path", "required": true, "schema": { "type": "integer" } }
        ],
        "responses": { "200": { "description": "OK" }, "404": { "description": "Not Found" } }
      }
    }
  }
}

Ready to Generate

Paste your API definition (OpenAPI or Raw JSON response) to generate comprehensive test scenarios, automation scripts, and coverage reports.

Step-by-Step Guide

1Open the API Test Generator tool.
2Provide the required input data in the provided fields or editors.
3Configure any available options or settings to customize the output.
4Click the primary action button to process your data and view the results.

Why use this tool?

The API Test Generator is a powerful utility designed to streamline your development workflow. Auto-generate comprehensive test scenarios and automation scripts from OpenAPI. Built with performance and privacy in mind, this tool processes everything locally in your browser, ensuring your data remains secure while delivering instant results.

Privacy Note: Like all tools on UtilityKit, this utility runs entirely in your browser. No data is sent to our servers.

Smart API Test Generator

Configuration

Ready to Generate

About API Test Generator & How to Use

Step-by-Step Guide

Why use this tool?