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Nominatim
Nominatim is OpenStreetMap's free geocoding API — convert addresses to coordinates and reverse-geocode coordinates to addresses.
Base URL
https://nominatim.openstreetmap.orggeocodingreverse geocodingOpenStreetMapfreeopen source
Endpoints
GET
/searchSearch for locations by name or address.
const response = await fetch("https://nominatim.openstreetmap.org/search?q=Eiffel+Tower&format=json&limit=1", {
method: "GET",
headers: {
"Content-Type": "application/json"
}
});
const data = await response.json();
console.log(data);Response Preview
[
{
"place_id": 308390637,
"display_name": "Tour Eiffel, Avenue Anatole France, Paris, Île-de-France, France",
"lat": "48.8583701",
"lon": "2.2922926",
"type": "tourism",
"importance": 0.878
}
]