Free unified REST API for German city infrastructure data: weather, air quality, water levels, EV chargers, live public transport with delays, demographics. Normalized from 35+ official sources, 84 cities, 48 endpoints, per-record license attribution. No API key required (60 req/min), free key for higher limits. Docs in German and English.
InfraNode is a free, keyless REST API for open public data on 84 German cities: weather (DWD), severe-weather ...
Open data of the city UmeƄ in northen Sweden
Spatial (GIS) and non-spatial city data for Minneapolis
Federal Statistical Office Germany
The GROUNDHOG-DAY.com API is the leading data source for North America's prognosticating groundhogs: see predi ...