Compare the Top API Documentation Tools with a Free Trial as of April 2025

What are API Documentation Tools with a Free Trial?

API documentation tools are software tools that help developers create, maintain, and publish documentation for their Application Programming Interfaces (APIs). These tools streamline the process of explaining how to use an API, providing code examples, and outlining endpoints, parameters, and response formats. Many API documentation tools automatically generate docs from the codebase or integrate with frameworks to keep documentation up to date with API changes. They often include interactive features, like live testing or sandbox environments, allowing developers to experiment with API requests directly from the documentation. Ultimately, these tools improve the developer experience by making it easier to understand and use APIs effectively. Compare and read user reviews of the best API Documentation tools with a Free Trial currently available using the table below. This list is updated regularly.

  • 1
    Postman

    Postman

    Postman

    The collaboration platform for API development. Simplify each step of building an API and streamline collaboration so you can create better APIs—faster. Postman is a collaboration platform for API development. Postman's features simplify each step of building an API and streamline collaboration so you can create better APIs—faster. Quickly and easily send REST, SOAP, and GraphQL requests directly within Postman. Automate manual tests and integrate them into your CI/CD pipeline to ensure that any code changes won't break the API in production. Communicate the expected behavior of an API by simulating endpoints and their responses without having to set up a backend server. Generate and publish beautiful, machine-readable documentation to make your API easier to consume. Stay up-to-date on the health of your API by checking performance and response times at scheduled intervals. Provide a shared context for building and consuming APIs, and collaborate in real-time.
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    Starting Price: $12 per user per month
  • 2
    ClickHelp

    ClickHelp

    ClickHelp

    ClickHelp is an AI-powered online documentation tool used by software companies around the world to create user manuals, knowledge bases, FAQs, tutorials, etc., and publish them instantly on their portal. ClickHelp requires no installation, runs in a web browser, and is accessible from anywhere in the world. Supports Mac OS, Windows, Linux platforms. Here is how ClickHelp makes your tech writing more effective: *Easy to use WYSIWYG topic editor, as well as HTML source mode. *Single-sourcing and content reuse. * Simple customization. *In-depth analytics and reporting. *Readability scores and metrics. *Easy importing and exporting. (Import from Microsoft Word, HTML, Markdown, RTF, CHM, ODT, etc. export to CHM, HTML5 Web Help, PDF, DOCX, etc.) *Translation ecosystem to create multi-language documentation. *Machine translation support. * RTL language support. * Audit trail and IP Allowlist. Integrations: Zapier, Google Analytics, Google Search Consolу and more.
    Starting Price: $175/month
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    Archbee

    Archbee

    AiurLabs

    Documentation tool for high-performing teams. Archbee is the place to centralize your company's information. Unify knowledge in product, engineering, support, marketing, sales. Use cases: • Manage team knowledge • Developer & API docs • Documentation sites • Document internal processes • Collaborate on documents • Onboard & train teammates • Create documentation for your customers • Bring your own domain Integrations: Slack, Airtable, Loom, Trello, Lucidchart, Typeform, Mindmeister, Prezi, Miro, Google Docs, Google Sheets, Google Slides, Figma, Invision, Framer, Abstract, Marvel, Github, GraphQL, Swagger/Open API, Numeracy, Mode Analytics, Codepen, Intercom, Google Analytics.
    Starting Price: $60 per month
  • 4
    MadCap Flare

    MadCap Flare

    MadCap Software

    Whether you need to create technical documentation for online help, software and API documentation, policy & procedure manuals, knowledge bases or user guides, MadCap Flare allows you to create, manage and publish content to a variety of formats, including print, online, desktop and mobile.
    Starting Price: $1799 Perpetual License
  • 5
    REST United

    REST United

    REST United

    REST United is a platform that simplifies the process of generating Software Development Kits (SDKs) for REST APIs across multiple programming languages, including PHP, Python, Ruby, ActionScript (Flash), C#, Android, Objective-C, Scala, and Java. In just five simple steps, users can create SDKs accompanied by highly customizable documentation featuring easy-to-follow example code, enhancing developer engagement. The platform also leverages the Postman Chrome plug-in to facilitate testing and debugging of REST APIs, streamlining the development workflow. For those designing their own REST APIs using frameworks like Node.js, Ruby Sinatra, Scala Scalatra, or Java JAX-RS, REST United offers assistance in generating server-side code. Support is readily available, with the promise of responses within 12 hours to any inquiries. Overall, REST United aims to make REST API development more accessible and efficient by providing tools that bridge the gap between API design and implementation.
    Starting Price: $1 per month
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