Schema for REST API?

I am wondering if is there any schema for the REST API (json)? Or any detailed documentation on the fields?

When fetching data for an issue, I can see fields with a primitive type value, or fields with an object value. How is it decided if a field has a primitive value or an object value? Is this project specific or globally the same?

For example summary has a primitive type, while type has not. Is this global? Can we trust that it is the same on every Jira server?


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Warren Levy Community Champion Aug 25, 2017

To answer your later questions first, the type is not project specific and it is global i.e. what you get on one server / instance will be the same as any other.

As to your first question, I have seen a schema of sorts, but can't remember where it is. Your easiest way is to run a query (but limit it to 1 issue i.e. pass in a parameter of jql=key=XXX-123) and don't specify which fields to return. View the returned json in a json formatter and you can then build up a list of what types there are and how to reference them

Thanks for the reply!

My problem with the trial and error kind of schema is that I have seen the same type name with a primitive type for one issue and with an object value for another issue. This got me actually on the hunt for the schema, because now I am unsure what I can expect :S

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