Locate the DOB License Info dataset (id t8hj-ruu2) on NYC Open Data and inspect its columns for License Type, License Number, and Expiration Date.
Call the Socrata SODA endpoint https://data.cityofnewyork.us/resource/t8hj-ruu2.json with a $where clause filtering License Type to 'Hoisting Machine Operator', 'Master Rigger', or 'Tower/Climber Crane Rigger'.
Narrow further with a $q text match or exact filter on the licensee's name or license number.
Check the expiration/status field to confirm the license is active, and match the Hoisting Machine Operator class (A/B/C) to the boom length of the crane being assigned.
Re-run the query periodically, since DOB License Info is a point-in-time export rather than a continuously streamed registry.
Known gotchas
Several license categories in this dataset are explicitly flagged as historical/no-longer-updated in the documentation; confirm a category is still actively maintained before trusting it.
A 'valid' license alone isn't sufficient — Hoisting Machine Operator classes map to different crane boom-length limits, so the class must match the specific equipment.
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