Get metrics data via JSON API

Hello,

 

I’m trying to pull down review data through automation without using the built in review reports.

 

For example, I want to get every review that was completed in the last week using an automated script.

 

I’ve looked into the JSON API and there doesn’t seem to be a way to get concise data (e.g. search by completion date).

 

Is there a way for me to do this, and if so how? Note that I’m not an admin and don’t have access to our server. I’m a regular user trying to get metrics data.