{"id":6368,"date":"2018-09-12T11:26:00","date_gmt":"2018-09-12T11:26:00","guid":{"rendered":"https:\/\/9series-blog.staging9.com\/?p=6368"},"modified":"2026-03-12T08:42:15","modified_gmt":"2026-03-12T08:42:15","slug":"step-step-guide-swagger-inspector-hub-ui","status":"publish","type":"post","link":"https:\/\/www.9series.com\/blog\/step-step-guide-swagger-inspector-hub-ui\/","title":{"rendered":"Swagger API Documentation: A Complete Guide to Designing, Testing, and Publishing REST APIs"},"content":{"rendered":"

\"Step-by-Step<\/a><\/p>\n

Modern applications depend heavily on APIs. Whether you are building a SaaS platform, mobile app, or enterprise system, well documented APIs are essential for smooth integration and scalability.<\/span>\u00a0<\/span><\/p>\n

Swagger, based on the\u00a0OpenAPI\u00a0Specification, is one of the most widely used tools for designing, documenting, testing, and visualizing RESTful APIs. It enables machine readable interface definitions that are easy for both developers and\u00a0non technical\u00a0stakeholders to understand.<\/span>\u00a0<\/span><\/p>\n

In this guide, we explain how Swagger works, its core components, and how organizations can\u00a0leverage\u00a0it as part of their Software Product Engineering and Application Modernization strategies.<\/span>\u00a0<\/span><\/p>\n

\u00a0<\/span><\/p>\n

What is Swagger?<\/span><\/b>\u00a0<\/span><\/h2>\n

Swagger is a suite of tools built around the\u00a0OpenAPI\u00a0Specification. It allows teams to:<\/span>\u00a0<\/span><\/p>\n

    \n
  • Design APIs before writing\u00a0server side\u00a0code<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
      \n
    • Generate interactive documentation<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
        \n
      • Test endpoints directly from the browser<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
          \n
        • Standardize API structures across teams<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
            \n
          • Improve collaboration between development, QA, and clients<\/span>\u00a0<\/span><\/li>\n<\/ul>\n

            Swagger simplifies API communication by making technical specifications readable and interactive.<\/span>\u00a0<\/span><\/p>\n

            \u00a0<\/span><\/p>\n

            Core Components of Swagger<\/span><\/b>\u00a0<\/span><\/h2>\n

            Swagger consists of three primary tools that work sequentially:<\/span>\u00a0<\/span><\/p>\n

              \n
            1. Swagger Inspector<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                \n
              1. Swagger Hub<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                  \n
                1. Swagger UI<\/span>\u00a0<\/span><\/li>\n<\/ol>\n

                  Let us explore each one in detail.<\/span>\u00a0<\/span><\/p>\n

                  \u00a0<\/span><\/p>\n

                  Swagger Inspector: Testing and Validating APIs<\/span><\/b>\u00a0<\/span><\/h2>\n

                  Swagger Inspector is typically the first step once a web service is developed. It allows developers and testers to\u00a0validate\u00a0and test APIs without writing\u00a0additional\u00a0client side\u00a0code.<\/span>\u00a0<\/span><\/p>\n

                  Key Steps in Swagger Inspector<\/span><\/b>\u00a0<\/span><\/h2>\n

                  After creating an account and logging in:<\/span>\u00a0<\/span><\/p>\n

                    \n
                  1. Select the desired HTTP method such as GET, POST, PUT, DELETE, or PATCH.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                      \n
                    1. Enter the API endpoint URL in the provided input field.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                        \n
                      1. Add required parameters and\u00a0their values.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                          \n
                        1. Add request headers as needed.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                            \n
                          1. Configure authentication using supported options.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                              \n
                            1. For POST, PUT, DELETE, or PATCH methods, enable and add the request body in JSON format.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                                \n
                              1. Click the Send button to execute the request.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                                  \n
                                1. Review the API response displayed in the Response section.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                                    \n
                                  1. Access previously executed requests from the History section.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                                      \n
                                    1. Export the API definition in Swagger 2.0 or\u00a0OpenAPI\u00a03.0 format for further documentation in Swagger Hub.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n

                                      This workflow allows teams to quickly test APIs and prepare structured definitions for documentation.<\/span>\u00a0<\/span><\/p>\n

                                      \u00a0<\/span><\/p>\n

                                      Swagger Hub: Designing and Managing API Documentation<\/span><\/b>\u00a0<\/span><\/h2>\n

                                      Swagger Hub is used for creating, managing, and publishing API documentation.<\/span>\u00a0<\/span><\/p>\n

                                      When a definition is exported from\u00a0Swagger\u00a0Inspector, it can be imported directly into\u00a0Swagger\u00a0Hub. The documentation is written in YAML format using the\u00a0OpenAPI\u00a0Specification.<\/span>\u00a0<\/span><\/p>\n

                                      Key Capabilities of Swagger Hub<\/span><\/b>\u00a0<\/span><\/h2>\n
                                        \n
                                      • Create new API documentation from scratch<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                          \n
                                        • Import API definitions from Swagger Inspector<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                            \n
                                          • Edit API specifications in YAML<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                              \n
                                            • Maintain version control<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                                \n
                                              • Collaborate with distributed teams<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                                  \n
                                                • Generate client and server code automatically<\/span>\u00a0<\/span><\/li>\n<\/ul>\n

                                                  Swagger Hub ensures API consistency and governance across projects, making it ideal for enterprise environments.<\/span>\u00a0<\/span><\/p>\n

                                                  \u00a0<\/span><\/p>\n

                                                  Swagger UI: Visualizing and Executing APIs<\/span><\/b>\u00a0<\/span><\/h2>\n

                                                  Swagger UI is the\u00a0final step\u00a0in the API documentation lifecycle. It converts\u00a0OpenAPI\u00a0definitions into an interactive\u00a0browser based\u00a0interface.<\/span>\u00a0<\/span><\/p>\n

                                                  There are two ways to use Swagger UI.<\/span>\u00a0<\/span><\/p>\n

                                                  \u00a0<\/span><\/p>\n

                                                  Online Mode<\/span><\/b>\u00a0<\/span><\/h2>\n

                                                  Swagger UI can be accessed directly through Swagger Hub:<\/span>\u00a0<\/span><\/p>\n

                                                    \n
                                                  1. Click Design View and select Preview Docs.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                                                      \n
                                                    1. The documentation opens in a new browser tab.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                                                        \n
                                                      1. Use the Try It Out button to\u00a0modify\u00a0request headers and body.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                                                          \n
                                                        1. Click Execute to run the API and view the response.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n

                                                          This method is convenient for quick demonstrations and collaborative testing.<\/span>\u00a0<\/span><\/p>\n

                                                          \u00a0<\/span><\/p>\n

                                                          Offline Mode<\/span><\/b>\u00a0<\/span><\/h2>\n

                                                          Swagger UI can also be hosted locally for development or internal usage.<\/span>\u00a0<\/span><\/p>\n

                                                          Prerequisites:<\/span><\/i><\/b>\u00a0<\/span><\/p>\n

                                                            \n
                                                          • XAMPP installed<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                                              \n
                                                            • Downloaded Swagger UI package<\/span>\u00a0<\/span><\/li>\n<\/ul>\n

                                                              Basic Setup Steps:<\/span><\/i><\/b>\u00a0<\/span><\/p>\n

                                                                \n
                                                              1. Install XAMPP and navigate to the directory:<\/span>
                                                                \n\/var\/www\/html<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                                                                  \n
                                                                1. Create a folder named swagger-ui.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                                                                    \n
                                                                  1. Extract the downloaded Swagger UI files into this folder.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                                                                      \n
                                                                    1. Copy\u00a0contents\u00a0from the\u00a0dist\u00a0folder into the main swagger-ui\u00a0folder.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                                                                        \n
                                                                      1. Export your API documentation from Swagger Hub as a JSON file.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                                                                          \n
                                                                        1. Place the JSON file inside \/var\/www\/html\/swagger-ui.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                                                                            \n
                                                                          1. Edit index.html to point to your JSON file.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                                                                              \n
                                                                            1. Open your configured localhost URL in the browser to view and test the API.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n

                                                                              This setup is ideal for secure enterprise environments or internal API portals.<\/span>\u00a0<\/span><\/p>\n

                                                                              \u00a0<\/span><\/p>\n

                                                                              Why Swagger Matters in Modern Software Engineering<\/span><\/b>\u00a0<\/span><\/h2>\n

                                                                              Swagger is more than a documentation tool. It plays a strategic role in:<\/span>\u00a0<\/span><\/p>\n

                                                                              Software Product Engineering<\/span><\/b>\u00a0<\/span><\/h2>\n

                                                                              Helps teams design APIs first, ensuring structured and scalable backend architecture.<\/span>\u00a0<\/span><\/p>\n

                                                                              Application Modernization<\/span><\/b>\u00a0<\/span><\/h2>\n

                                                                              Standardizes legacy APIs using\u00a0OpenAPI\u00a0definitions, making integration easier.<\/span>\u00a0<\/span><\/p>\n

                                                                              Data and Analytics<\/span><\/b>\u00a0<\/span><\/h2>\n

                                                                              Enables\u00a0consistent data exchange formats, improving reporting and analytics pipelines.<\/span>\u00a0<\/span><\/p>\n

                                                                              Cloud and Platform Engineering<\/span><\/b>\u00a0<\/span><\/h2>\n

                                                                              Supports\u00a0microservices\u00a0architectures and cloud native API ecosystems.<\/span>\u00a0<\/span><\/p>\n

                                                                              Extended Engineering Teams<\/span><\/b>\u00a0<\/span><\/h2>\n

                                                                              Improves collaboration between distributed development and QA teams.<\/span>\u00a0<\/span><\/p>\n

                                                                              \u00a0<\/span><\/p>\n

                                                                              Benefits of Using Swagger for API Development<\/span><\/b>\u00a0<\/span><\/h2>\n
                                                                                \n
                                                                              • Faster API development lifecycle<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                                                                  \n
                                                                                • Improved developer experience<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                                                                    \n
                                                                                  • Reduced integration errors<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                                                                      \n
                                                                                    • Clear communication with clients<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                                                                        \n
                                                                                      • Interactive and testable documentation<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                                                                          \n
                                                                                        • Better API governance<\/span>\u00a0<\/span><\/li>\n<\/ul>\n

                                                                                          Swagger bridges the gap between technical and business stakeholders.<\/span>\u00a0<\/span><\/p>\n

                                                                                          \u00a0<\/span><\/p>\n

                                                                                          Conclusion<\/span><\/b>\u00a0<\/span><\/h2>\n

                                                                                          Swagger provides a structured and efficient approach to API design, testing, documentation, and visualization.\u00a0By following\u00a0the sequence of Swagger Inspector, Swagger Hub, and Swagger UI, organizations can create reliable and scalable API ecosystems.<\/span>\u00a0<\/span><\/p>\n

                                                                                          For QA testers, developers, product teams, and clients, Swagger ensures transparency, clarity, and control throughout the API lifecycle.<\/span>\u00a0<\/span><\/p>\n

                                                                                          \u00a0<\/span><\/p>\n

                                                                                          Ready to Build Modern, Scalable APIs?<\/span><\/b>\u00a0<\/span><\/h2>\n

                                                                                          If you are modernizing legacy systems, building cloud native applications, or scaling enterprise platforms, our team can help.<\/span>\u00a0<\/span><\/p>\n

                                                                                          Explore how our Software Product Engineering, Application Modernization, Cloud Engineering, and Extended Engineering Team services can accelerate your API strategy.<\/span>\u00a0<\/span><\/p>\n

                                                                                          Contact us today to start building robust, well documented, and future ready API ecosystems.<\/span>\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

                                                                                          Modern applications depend heavily on APIs. Whether you are building a SaaS platform, mobile app, or enterprise system, well documented APIs are essential for smooth integration and scalability.\u00a0 Swagger, based…<\/p>\n","protected":false},"author":1,"featured_media":6369,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"dsgo_overlay_header":false,"dsgo_overlay_header_text_color":"","dsgo_overlay_skip_top_bar":false,"_designsetgo_exclude_llms":false,"footnotes":""},"categories":[1444],"tags":[2287,2288,2289,2290],"class_list":["post-6368","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-testing","tag-api-service-testing","tag-swagger-hub","tag-swagger-inspector","tag-swagger-ui"],"_links":{"self":[{"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/posts\/6368","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/comments?post=6368"}],"version-history":[{"count":3,"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/posts\/6368\/revisions"}],"predecessor-version":[{"id":6930,"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/posts\/6368\/revisions\/6930"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/media\/6369"}],"wp:attachment":[{"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/media?parent=6368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/categories?post=6368"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/tags?post=6368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}