Compare the Top API Design Software in Germany as of April 2025

What is API Design Software in Germany?

API design software helps developers design, document, and manage APIs (Application Programming Interfaces) in a structured and efficient manner. These tools provide a user-friendly interface for creating API specifications, defining endpoints, input/output data formats, authentication methods, and response formats. API design software typically supports the OpenAPI (formerly Swagger) specification or other industry-standard formats to ensure consistency and interoperability. Additionally, many API design tools allow for collaborative development, testing, and version control, making it easier to create robust, secure, and scalable APIs that are aligned with best practices. Compare and read user reviews of the best API Design software in Germany 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
    Apidog

    Apidog

    Apidog

    Apidog is a complete set of tools that connects the entire API lifecycle, helping R&D teams implement best practices for API Design-first development. Design and debug APIs in a powerful visual editor. Describe and debug easily with JSON Schema support. Automate API lifecycle with Apidog's test generation from API specs, visual assertion, built-in response validation, and CI/CD. Generate visually appealing API documentation, publish to custom domain or securely share with collaborative teams. Local and cloud mock engine generate reasonable mock data according to field names and specifications without writing scripts. Quality tools have the power to unite your entire team, while ensuring that no task is needlessly repeated. Effortlessly describe your API as you test it, and generate JSON/XML schemas with a simple click. Generate test cases from APIs, add assertions visually, and create test scenarios with branches and iterations easily.
    Starting Price: $9 per user per month
  • 3
    Treblle

    Treblle

    Treblle

    Treblle: A lightweight SDK for accelerated REST-based API development, see metadata for every API request with real-time API traffic monitoring, get powerful analytics and API governance features alongside API automated docs, and automated API security audits for every single request. Simplify workflows, enhance security with support for 18+ languages and frameworks for seamless integration. Empower your teams to build, ship, and maintain APIs faster.
    Starting Price: $99 per month
  • 4
    Stoplight

    Stoplight

    Stoplight

    Stoplight is an API Design, Development, and Documentation platform. Use Stoplight Platform to enable consistency, reusability, and quality in your API lifecycle, all with an easy, enjoyable developer experience. Here's what you can do with Stoplight Platform: - Design APIs with our easy visual designer, Stoplight Studio - Mock API designs automatically with Stoplight Prism mocking - Collaborate on your designs and invite internal and external users to provide feedback - Develop faster and better APIs - Test and enforce against style guides with Stoplight Spectral - Document both internal and external APIs automatically to create a delightful experience Utilize and integrate design-first workflows to quickly scale up standardized, collaborative, and well-governed API programs.
    Starting Price: Free
  • 5
    SwaggerHub

    SwaggerHub

    SmartBear

    SwaggerHub is an integrated API design and documentation platform, built for teams to drive consistency and discipline across the API development workflow. Accelerate your team’s design process without any loss in quality or organizational style consistency with a powerful Editor that’s fully compliant with the latest Swagger (OpenAPI) standards. A Powerful Editor equipped with smart error feedback and syntax auto-completion. Style Validators for ensuring design consistency across multiple APIs. API Mocking to virtualize operations without any code. Domains for storing, reusing and referencing common OAS syntax across multiple APIs. Have your API design and development centralized on a single location, allowing your teams to seamlessly collaborate on new APIs, or discover existing APIs on a centralized platform. Coordinate your entire API lifecycle from a central internal repository, hosted on the cloud.
    Starting Price: $90 per month
  • 6
    Redocly

    Redocly

    Redocly

    Beautiful API documentation loved by teams and API consumers. At last, API documentation your whole team will be proud of. Publish beautiful API reference docs in seconds and style them in minutes. Tick every developer's favorite box right out of the box, three panels, a try-it console, generated code samples, SEO-friendly, even friendlier search. Nobody likes outdated docs and scope creep. Maintain API documentation with your favorite source control integrated with our cloud app workflows. We support them all, including on-premise and API management providers. Launch a developer portal in minutes reusing your API definitions as assets. Add tutorials, quick-start guides, and developer tooling with incredible customization. Validate, lint, and bundle multi-file API definitions. Write always on-spec OpenAPI documents. Plug in your API reference and customize every nook & cranny to wow your API consumers.
    Starting Price: $69 per month
  • 7
    Apiary

    Apiary

    Oracle

    Write an API in 30 minutes. Share it with your teammates or customers. Let them use the API mock to take your API for a spin--without writing any code. Iterate, rinse & repeat. Coding can wait until you know what your developers really need. DNA for your API, powerful, open sourced and developer-friendly. The ease of Markdown combined with the power of automated mock servers, tests, validations, proxies, and code samples in your language bindings. It's often hard to see how an API will be used until you have the chance to code against it. What wireframes are for UI design, a server mock is for API design. A quick way to prototype an API - even before you start writing code. Two clicks will link Apiary to a repository of your choice. It’s up to you whether you make the API Blueprint private or public and let the community contribute. We update API docs every time you commit, and we push commits to the repo whenever you update your documentation at Apiary. It's a virtuous cycle.
  • 8
    Apitive Studio
    Design, Document, Mock and Publish your APIs in OpenAPI 3.0 specification. A sleek UI that allows its users to design REST APIs intuitively. Product managers can now be less or notdependent on engineering teams to create API designs; thus increasing time to market. Workbench includes a refined review tool that allows users to submit their API designs for peer reviews. Achieve enterprise wide interface design standardization with Apitive Studio by creating reusable data models and global policies. Share them across various products and provide uniformity in your API Designs and Implementations. API designs are only as good as its document. Auto generate complete API documentation as web pages that provides both technical and business documentation to its consumers. Apitive Studio also deploys the documentation as a portal at pre-defined location for consumption saving time and effort. Socialize your APIs with external consumers and get instant validation.
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