If you're building a RESTful Web service, you can provide both guidance and control around the JSON messages your service works with by replacing documentation with JSON Schemas. Say what you want ...

Schema.org is a collection of vocabulary (or schemas) used to apply structured data markup to web pages and content. Correctly applying schema can improve SEO outcomes through rich snippets.

Google uses structured data to better understand what a webpage is about by classifying the topic, identifying important parts of the webpages like logos and images, and displaying webpages ...