Best 4 Tools for Testing API Endpoints in 2025

Apidog is a platform that handles the complete process of creating and managing APIs. You can design your API structure, test how it works, create clear documentation, and share it with your team, all from one application.

Readme is a platform that lets you create and publish interactive developer documentation for your APIs. Unlike traditional documentation tools, Readme automatically generates API references from your OpenAPI or Swagger files and keeps everything in sync with your code.

Scalar is a platform for building API documentation that looks professional and works smoothly. You provide your OpenAPI document, and Scalar transforms it into easy-to-read pages with examples and testing tools built in.

Stoplight is a web-based platform for API design and management that follows a design-first philosophy. This means you plan and design your API before writing any code, which saves time and reduces errors during development.