Empirical Registry

Structured Datasets

First-class analytical data tables available for interactive inspection, filtering, and export.

v2.1 Food

Airport Coffee Prices

Standardized airside pricing for espresso, flat whites, and brewed coffees across 200 international airports.

v1.4 Airports

All 47 three-letter IATA airport codes that spell recognized, un-hyphenated English dictionary words.

v1.2 Hotels

Comprehensive catalog of luxury hotels offering verified formal pillow menus with counts, materials, and specialized ergonomic options.