Calling API to retrieve user profile location map from PublicLab.org

What happened just before the problem occurred

I'm going through PublicLab's API documentation in order to pull a user profile "location map" to display on their mapknitter profile. Looking at the documentation, I can't seem to find what will help achieve that. I'm not returning any profile information when I search for a username that exists. Am I missing something? Will the API not return profile information? Any help is greatly appreciated. Even in the web interface ("https://publiclab.org/api/docs"), I get the same response which you'll see below:

Relevant URLs

https://github.com/publiclab/plots2/blob/master/doc/API.md

PublicLab.org username

parker_rose

Browser, version, and operating system

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