Overpass API
FreeDegradedNot yet verified
Query OpenStreetMap by tag, area and bounding box: shops, trails, water points, any mapped feature.
Example request
curl -s -G 'https://overpass-api.de/api/interpreter' --data-urlencode 'data=[out:json];node[amenity=drinking_water](51.477,-0.001,51.478,0.001);out;'
Free tier, in plain English
The main public instance is free and needs no key. Stay under about 10,000 queries and 1 GB a day (far less for recurring jobs), and self-host for heavy or commercial use.
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