Live calls against the production API using the token from the OAuth flow (start there if you don't have one yet).
Token
List orders
Retrieve / poll an order
Test-tool polling interval is 30s for fast feedback while debugging. Dev Guide s.7.1 says a real
integration should poll active orders no more frequently than approximately every 15 minutes - don't take this
tool's interval as the recommended production value.
Retrieve a file
Paste a file ID from a retrieved order's Files array above, or enter one directly.