Creating an SDK can be done quickly and easily with the help of tools like APIMatic, which allows users to design an API specification and generate a well-tested, thoroughly documented, and automatically maintained SDK in under a minute. To get started, users need only sign up for a free account, import their API specification file, and select the desired language options. The tool then generates the SDK as a .zip file, which can be downloaded or uploaded to GitHub, or published directly to a language-specific platform. This process also includes additional features such as autogenerated reference guides, customizable code generation settings, and access to a fully functioning API portal with live code samples. With APIMatic, users can create multiple SDKs in different languages, host them on native platforms, and automate the process of updating the SDK when the API specification changes.