APIMatic is a developer experience platform that transforms APIs, generates SDKs and API documentation, and automates the entire workflow to take the developer experience to the next level. It provides features such as automatic generation of SDKs in multiple popular languages from an API definition, auto-generating API developer portals with dynamic code samples, and customization options for branding and theme. The platform also offers API transformation and validation tools, automation with codegen-as-a-service, and a user-friendly onboarding process that can be completed in under 3 minutes.