GET reverse
openstreetmap.org:nominatim-api
Summary: Reverse Geocoding
Operation ID: reverse
Auth: unknown
Operation ID: reverse
Auth: unknown
Description
Convert latitude/longitude coordinates to an address.
Parameters (18)
accept-language
(string, query, optional)
Preferred language for results
addressdetails
(integer, query, optional, default: 1)
Include address breakdown (0 or 1)
Constraints: {'enum': [0, 1]}
debug
(integer, query, optional, default: 0)
Return HTML debug info (0 or 1)
Constraints: {'enum': [0, 1]}
email
(string, query, optional)
Contact email (required for heavy usage)
entrances
(integer, query, optional, default: 0)
Include tagged entrances (0 or 1)
Constraints: {'enum': [0, 1]}
extratags
(integer, query, optional, default: 0)
Include additional OSM tags (0 or 1)
Constraints: {'enum': [0, 1]}
format
(string, query, optional, default: jsonv2)
Response format
Constraints: {'enum': ['xml', 'json', 'jsonv2', 'geojson', 'geocodejson']}
json_callback
(string, query, optional)
JSONP callback function name
lat
(number, query, required)
Latitude in WGS84 projection
Constraints: {'minimum': -90, 'maximum': 90}
layer
(string, query, optional)
Comma-separated layer filters: address, poi, railway, natural, manmade
lon
(number, query, required)
Longitude in WGS84 projection
Constraints: {'minimum': -180, 'maximum': 180}
namedetails
(integer, query, optional, default: 0)
Include full list of names (0 or 1)
Constraints: {'enum': [0, 1]}
polygon_geojson
(integer, query, optional, default: 0)
Return geometry as GeoJSON (0 or 1)
Constraints: {'enum': [0, 1]}
polygon_kml
(integer, query, optional, default: 0)
Return geometry as KML (0 or 1)
Constraints: {'enum': [0, 1]}
polygon_svg
(integer, query, optional, default: 0)
Return geometry as SVG (0 or 1)
Constraints: {'enum': [0, 1]}
polygon_text
(integer, query, optional, default: 0)
Return geometry as WKT (0 or 1)
Constraints: {'enum': [0, 1]}
polygon_threshold
(number, query, optional, default: 0.0)
Simplify geometry tolerance in degrees
zoom
(integer, query, optional)
Zoom level for address detail (0-18). Higher = more detail.
Constraints: {'minimum': 0, 'maximum': 18}
Examples (3)
| Title | Type | URL | Action |
|---|---|---|---|
| Reverse Geocoding | openapi-spec |
https://nominatim.openstreetmap.org/reverse?lat=52.5170365&lon=13.3888599 |
|
| Reverse Geocoding | openapi-spec |
https://nominatim.openstreetmap.org/reverse?lat=51.5074&lon=-0.1278 |
|
| Reverse Geocoding | probe-gate |
https://nominatim.openstreetmap.org/reverse?lat=51.5074&lon=-0.1278&format=json&addressdetails=0&extratags=0&namedetails=0&zoom=18 |
Probe History
Status Codes
| Time | Status | Latency | Size |
|---|---|---|---|
| 2026-03-23 10:47:35.341498 | 200 | 300ms | |
| 2026-03-23 10:31:18.480660 | 200 | 290ms | |
| 2026-03-23 09:16:06.066473 | 200 | 1344ms |
Response Changes
| When | Old | New |
|---|---|---|
| 2026-03-23 10:31:18.480660 | ef9b5eab72d7 |
189cd41acb3a |
| 2026-03-23 10:47:35.341498 | 189cd41acb3a |
46eb00a447f2 |