Top AI tools for API Designer

Mockae is an open-source fake API tool that allows developers to create custom mock REST APIs instantly using Lua code for testing and prototyping.

• Free

Flowlet is a visual low-code platform that empowers developers to build, deploy, and integrate APIs rapidly, offering full control and seamless TypeScript integration for efficient API workflows.

• Usage Based
• From 5$

Voiden.md is a file-centric, Git-native API client that treats API work like code, enabling developers to design, test, and document APIs in plain Markdown files with reusable blocks.

• Other

Mockoon is a free, open-source tool for quickly designing and running mock REST APIs locally, without needing remote deployment or an account. It integrates with OpenAPI and offers advanced features for realistic API simulation.

• Freemium
• From 15$

JSDoc is an open-source documentation generator that automatically creates API documentation from specially formatted comments in JavaScript code, supporting various module systems and providing extensive customization options.

• Free

OpenAPI Generator is an AI-powered tool that automatically generates client libraries, server stubs, and documentation from OpenAPI specifications, supporting over 50 programming languages and frameworks.

• Free

Simple API Doc is an AI-powered platform that instantly generates comprehensive API documentation from OpenAPI or Swagger files, allowing users to publish to custom domains and share securely with teams.

• Usage Based

CORS.SH is a robust, high-speed CORS proxy designed to eliminate CORS errors, enabling seamless integration for multiple websites and projects.

• Paid
• From 3$

apiDoc streamlines the creation of online documentation for RESTful web APIs by parsing annotations directly from your source code in various programming languages.

• Free

Swagger provides comprehensive tools for designing, documenting, testing, and governing APIs throughout their lifecycle, with support for OpenAPI and AsyncAPI specifications.

• Other

RapidAPI for Mac is a full-featured HTTP client and API development tool designed for macOS, enabling users to test, document, and manage APIs effortlessly with a robust, visually intuitive interface.

• Free