We use two NY Parks & Rec open datasets:
To use the open data APIs, register for a free account at https://data.cityofnewyork.us/.
Create an app token in your developer settings dashboard.
Create a Config.xcconfig in TreeOneOne/Settings which defines the following variables:
NYC_PARKS_TREE_API_APP_TOKEN(with your app token created above)
You should now be able to run the app in Xcode in a simulator.
Run into issues?
Send a message through the contact page here.