Ex JSON schema library use cases

I read the documentation from github which is not that elaborate.

So what exactly is ex json schema is for and its use cases?

Thanks!

You can use it to validate a JSON payload against a schema definition.

https://ryanbigg.com/2016/11/validating-nested-json-data-with-ex_json_schema

https://engineering.appcues.com/2016/01/20/ex-json-schema.html

Thanks