Learn how to find an address near a location with the geocoding service .
Reverse geocoding is the process of converting a location to an address or place . To reverse geocode, you use the Geocoding service and the reverseGeocode
In this tutorial, you use the reverseGeocodeArcGIS REST JS to reverse geocode and find the closest address to your clicked location on the map.
You need an ArcGIS account to access the developer dashboard and create an API key .
To get started, either complete the Display a map tutorial or use this pen . To access location services , you need an API key or OAuth 2.0 access token .
Go to your dashboard to get an API key. The API key must be scoped to access the services used in this tutorial.
In CodePen , update apiKey to use your key.
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//
const apiKey = "YOUR_API_KEY" ;
const basemapEnum = "ArcGIS:Streets" ;
const map = new mapboxgl.Map({
container : "map" , // the id of the div element
style : `https://basemaps-api.arcgis.com/arcgis/rest/services/styles/ ${basemapEnum} ?type=style&token= ${apiKey} ` ,
zoom : 12 , // starting zoom
center : [- 118.805 , 34.027 ] // starting location [longitude, latitude]
});
This tutorial uses ArcGIS REST JS for reverse geocoding.
In the <head> element, add references to the ArcGIS REST JS library. Show more lines
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<!DOCTYPE html >
< html >
< head >
< meta charset = "utf-8" />
< meta name = "viewport" content = "initial-scale=1,maximum-scale=1,user-scalable=no" />
< script src = "https://api.tiles.mapbox.com/mapbox-gl-js/v1.12.0/mapbox-gl.js" > </ script >
< link href = "https://api.tiles.mapbox.com/mapbox-gl-js/v1.12.0/mapbox-gl.css" rel = "stylesheet" />
< script src = "https://unpkg.com/@esri/arcgis-rest-request@3.0.0/dist/umd/request.umd.js" > </ script >
< script src = "https://unpkg.com/@esri/arcgis-rest-geocoding@3.0.0/dist/umd/geocoding.umd.js" > </ script >
< script src = "https://unpkg.com/@esri/arcgis-rest-auth@3.0.0/dist/umd/auth.umd.js" > </ script >
< style >
html ,
body ,
#map {
padding : 0 ;
margin : 0 ;
height : 100% ;
width : 100% ;
font-family : Arial, Helvetica, sans-serif;
font-size : 14px ;
color : #323232 ;
}
</ style >
</ head >
< body >
< div id = "map" > </ div >
</ body >
< script >
const apiKey = "YOUR_API_KEY" ;
const basemapEnum = "ArcGIS:Navigation" ;
const map = new mapboxgl.Map({
container : "map" ,
style : `https://basemaps-api.arcgis.com/arcgis/rest/services/styles/ ${basemapEnum} ?type=style&token= ${apiKey} ` ,
zoom : 12 ,
center : [ 2.3522 , 48.8566 ] // Paris
});
map.on( "click" , ( e ) => {
const coords = e.lngLat.toArray();
const authentication = new arcgisRest.ApiKey({
key : apiKey
});
arcgisRest
.reverseGeocode(coords, {
authentication
})
.then( ( result ) => {
const lngLat = [result.location.x, result.location.y];
const label = ` ${result.address.LongLabel} <br> ${lngLat[ 0 ].toLocaleString()} , ${lngLat[ 1 ].toLocaleString()} ` ;
new mapboxgl
.Popup()
.setLngLat(lngLat)
.setHTML(label)
.addTo(map);
})
.catch( ( error ) => {
alert( "There was a problem using the reverse geocode service. See the console for details." );
console .error(error);
});
});
</ script >
</ html >
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A navigation basemap layer is typically used in geocoding and routing applications. Update the basemap layer to use ArcGIS:Navigation.
Update the basemap and the map initialization to center on location [2.3522,48.8566], Paris.
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<!DOCTYPE html >
< html >
< head >
< meta charset = "utf-8" />
< meta name = "viewport" content = "initial-scale=1,maximum-scale=1,user-scalable=no" />
< script src = "https://api.tiles.mapbox.com/mapbox-gl-js/v1.12.0/mapbox-gl.js" > </ script >
< link href = "https://api.tiles.mapbox.com/mapbox-gl-js/v1.12.0/mapbox-gl.css" rel = "stylesheet" />
< script src = "https://unpkg.com/@esri/arcgis-rest-request@3.0.0/dist/umd/request.umd.js" > </ script >
< script src = "https://unpkg.com/@esri/arcgis-rest-geocoding@3.0.0/dist/umd/geocoding.umd.js" > </ script >
< script src = "https://unpkg.com/@esri/arcgis-rest-auth@3.0.0/dist/umd/auth.umd.js" > </ script >
< style >
html ,
body ,
#map {
padding : 0 ;
margin : 0 ;
height : 100% ;
width : 100% ;
font-family : Arial, Helvetica, sans-serif;
font-size : 14px ;
color : #323232 ;
}
</ style >
</ head >
< body >
< div id = "map" > </ div >
</ body >
< script >
const apiKey = "YOUR_API_KEY" ;
const basemapEnum = "ArcGIS:Navigation" ;
const map = new mapboxgl.Map({
container : "map" ,
style : `https://basemaps-api.arcgis.com/arcgis/rest/services/styles/ ${basemapEnum} ?type=style&token= ${apiKey} ` ,
zoom : 12 ,
center : [ 2.3522 , 48.8566 ] // Paris
});
map.on( "click" , ( e ) => {
const coords = e.lngLat.toArray();
const authentication = new arcgisRest.ApiKey({
key : apiKey
});
arcgisRest
.reverseGeocode(coords, {
authentication
})
.then( ( result ) => {
const lngLat = [result.location.x, result.location.y];
const label = ` ${result.address.LongLabel} <br> ${lngLat[ 0 ].toLocaleString()} , ${lngLat[ 1 ].toLocaleString()} ` ;
new mapboxgl
.Popup()
.setLngLat(lngLat)
.setHTML(label)
.addTo(map);
})
.catch( ( error ) => {
alert( "There was a problem using the reverse geocode service. See the console for details." );
console .error(error);
});
});
</ script >
</ html >
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Before you call the Geocoding service, you need to get a location from the user. You can add a handler to the MapclicklngLat.
More info The lngLat property is a LngLatlng and lat properties and a toArray method which returns an array in [longitude, latitude] order.
After the map initialization code, add a handler for the clicklngLat property of the event parameter.
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<!DOCTYPE html >
< html >
< head >
< meta charset = "utf-8" />
< meta name = "viewport" content = "initial-scale=1,maximum-scale=1,user-scalable=no" />
< script src = "https://api.tiles.mapbox.com/mapbox-gl-js/v1.12.0/mapbox-gl.js" > </ script >
< link href = "https://api.tiles.mapbox.com/mapbox-gl-js/v1.12.0/mapbox-gl.css" rel = "stylesheet" />
< script src = "https://unpkg.com/@esri/arcgis-rest-request@3.0.0/dist/umd/request.umd.js" > </ script >
< script src = "https://unpkg.com/@esri/arcgis-rest-geocoding@3.0.0/dist/umd/geocoding.umd.js" > </ script >
< script src = "https://unpkg.com/@esri/arcgis-rest-auth@3.0.0/dist/umd/auth.umd.js" > </ script >
< style >
html ,
body ,
#map {
padding : 0 ;
margin : 0 ;
height : 100% ;
width : 100% ;
font-family : Arial, Helvetica, sans-serif;
font-size : 14px ;
color : #323232 ;
}
</ style >
</ head >
< body >
< div id = "map" > </ div >
</ body >
< script >
const apiKey = "YOUR_API_KEY" ;
const basemapEnum = "ArcGIS:Navigation" ;
const map = new mapboxgl.Map({
container : "map" ,
style : `https://basemaps-api.arcgis.com/arcgis/rest/services/styles/ ${basemapEnum} ?type=style&token= ${apiKey} ` ,
zoom : 12 ,
center : [ 2.3522 , 48.8566 ] // Paris
});
map.on( "click" , ( e ) => {
const coords = e.lngLat.toArray();
const authentication = new arcgisRest.ApiKey({
key : apiKey
});
arcgisRest
.reverseGeocode(coords, {
authentication
})
.then( ( result ) => {
const lngLat = [result.location.x, result.location.y];
const label = ` ${result.address.LongLabel} <br> ${lngLat[ 0 ].toLocaleString()} , ${lngLat[ 1 ].toLocaleString()} ` ;
new mapboxgl
.Popup()
.setLngLat(lngLat)
.setHTML(label)
.addTo(map);
})
.catch( ( error ) => {
alert( "There was a problem using the reverse geocode service. See the console for details." );
console .error(error);
});
});
</ script >
</ html >
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Use the ArcGIS REST JS reverseGeocode
Inside the click handler, create a new arcgisRest.ApiKey to access the geocoding service. Call the arcgisRest.reverseGeocode
In order to access ArcGIS location services with ArcGIS REST JS , you need an access token , either as an API key or token created by OAuth 2.0 authentication. API keys have scopes, so make sure to scope your API key with permissions to access the service.
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<!DOCTYPE html >
< html >
< head >
< meta charset = "utf-8" />
< meta name = "viewport" content = "initial-scale=1,maximum-scale=1,user-scalable=no" />
< script src = "https://api.tiles.mapbox.com/mapbox-gl-js/v1.12.0/mapbox-gl.js" > </ script >
< link href = "https://api.tiles.mapbox.com/mapbox-gl-js/v1.12.0/mapbox-gl.css" rel = "stylesheet" />
< script src = "https://unpkg.com/@esri/arcgis-rest-request@3.0.0/dist/umd/request.umd.js" > </ script >
< script src = "https://unpkg.com/@esri/arcgis-rest-geocoding@3.0.0/dist/umd/geocoding.umd.js" > </ script >
< script src = "https://unpkg.com/@esri/arcgis-rest-auth@3.0.0/dist/umd/auth.umd.js" > </ script >
< style >
html ,
body ,
#map {
padding : 0 ;
margin : 0 ;
height : 100% ;
width : 100% ;
font-family : Arial, Helvetica, sans-serif;
font-size : 14px ;
color : #323232 ;
}
</ style >
</ head >
< body >
< div id = "map" > </ div >
</ body >
< script >
const apiKey = "YOUR_API_KEY" ;
const basemapEnum = "ArcGIS:Navigation" ;
const map = new mapboxgl.Map({
container : "map" ,
style : `https://basemaps-api.arcgis.com/arcgis/rest/services/styles/ ${basemapEnum} ?type=style&token= ${apiKey} ` ,
zoom : 12 ,
center : [ 2.3522 , 48.8566 ] // Paris
});
map.on( "click" , ( e ) => {
const coords = e.lngLat.toArray();
const authentication = new arcgisRest.ApiKey({
key : apiKey
});
arcgisRest
.reverseGeocode(coords, {
authentication
})
.then( ( result ) => {
const lngLat = [result.location.x, result.location.y];
const label = ` ${result.address.LongLabel} <br> ${lngLat[ 0 ].toLocaleString()} , ${lngLat[ 1 ].toLocaleString()} ` ;
new mapboxgl
.Popup()
.setLngLat(lngLat)
.setHTML(label)
.addTo(map);
})
.catch( ( error ) => {
alert( "There was a problem using the reverse geocode service. See the console for details." );
console .error(error);
});
});
</ script >
</ html >
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The response from the reverseGeocodeaddress is a structured object with fields such as street name and business name. location contains the location of the returned address, which may differ from the coordinates you provided.
Use the results to display a pop-up with the address and location values.
Convert the result.location object into an array of [longitude, latitude].
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<!DOCTYPE html >
< html >
< head >
< meta charset = "utf-8" />
< meta name = "viewport" content = "initial-scale=1,maximum-scale=1,user-scalable=no" />
< script src = "https://api.tiles.mapbox.com/mapbox-gl-js/v1.12.0/mapbox-gl.js" > </ script >
< link href = "https://api.tiles.mapbox.com/mapbox-gl-js/v1.12.0/mapbox-gl.css" rel = "stylesheet" />
< script src = "https://unpkg.com/@esri/arcgis-rest-request@3.0.0/dist/umd/request.umd.js" > </ script >
< script src = "https://unpkg.com/@esri/arcgis-rest-geocoding@3.0.0/dist/umd/geocoding.umd.js" > </ script >
< script src = "https://unpkg.com/@esri/arcgis-rest-auth@3.0.0/dist/umd/auth.umd.js" > </ script >
< style >
html ,
body ,
#map {
padding : 0 ;
margin : 0 ;
height : 100% ;
width : 100% ;
font-family : Arial, Helvetica, sans-serif;
font-size : 14px ;
color : #323232 ;
}
</ style >
</ head >
< body >
< div id = "map" > </ div >
</ body >
< script >
const apiKey = "YOUR_API_KEY" ;
const basemapEnum = "ArcGIS:Navigation" ;
const map = new mapboxgl.Map({
container : "map" ,
style : `https://basemaps-api.arcgis.com/arcgis/rest/services/styles/ ${basemapEnum} ?type=style&token= ${apiKey} ` ,
zoom : 12 ,
center : [ 2.3522 , 48.8566 ] // Paris
});
map.on( "click" , ( e ) => {
const coords = e.lngLat.toArray();
const authentication = new arcgisRest.ApiKey({
key : apiKey
});
arcgisRest
.reverseGeocode(coords, {
authentication
})
.then( ( result ) => {
const lngLat = [result.location.x, result.location.y];
const label = ` ${result.address.LongLabel} <br> ${lngLat[ 0 ].toLocaleString()} , ${lngLat[ 1 ].toLocaleString()} ` ;
new mapboxgl
.Popup()
.setLngLat(lngLat)
.setHTML(label)
.addTo(map);
})
.catch( ( error ) => {
alert( "There was a problem using the reverse geocode service. See the console for details." );
console .error(error);
});
});
</ script >
</ html >
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Set a variable containing the text you want to display, using the address and coordinates.
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<!DOCTYPE html >
< html >
< head >
< meta charset = "utf-8" />
< meta name = "viewport" content = "initial-scale=1,maximum-scale=1,user-scalable=no" />
< script src = "https://api.tiles.mapbox.com/mapbox-gl-js/v1.12.0/mapbox-gl.js" > </ script >
< link href = "https://api.tiles.mapbox.com/mapbox-gl-js/v1.12.0/mapbox-gl.css" rel = "stylesheet" />
< script src = "https://unpkg.com/@esri/arcgis-rest-request@3.0.0/dist/umd/request.umd.js" > </ script >
< script src = "https://unpkg.com/@esri/arcgis-rest-geocoding@3.0.0/dist/umd/geocoding.umd.js" > </ script >
< script src = "https://unpkg.com/@esri/arcgis-rest-auth@3.0.0/dist/umd/auth.umd.js" > </ script >
< style >
html ,
body ,
#map {
padding : 0 ;
margin : 0 ;
height : 100% ;
width : 100% ;
font-family : Arial, Helvetica, sans-serif;
font-size : 14px ;
color : #323232 ;
}
</ style >
</ head >
< body >
< div id = "map" > </ div >
</ body >
< script >
const apiKey = "YOUR_API_KEY" ;
const basemapEnum = "ArcGIS:Navigation" ;
const map = new mapboxgl.Map({
container : "map" ,
style : `https://basemaps-api.arcgis.com/arcgis/rest/services/styles/ ${basemapEnum} ?type=style&token= ${apiKey} ` ,
zoom : 12 ,
center : [ 2.3522 , 48.8566 ] // Paris
});
map.on( "click" , ( e ) => {
const coords = e.lngLat.toArray();
const authentication = new arcgisRest.ApiKey({
key : apiKey
});
arcgisRest
.reverseGeocode(coords, {
authentication
})
.then( ( result ) => {
const lngLat = [result.location.x, result.location.y];
const label = ` ${result.address.LongLabel} <br> ${lngLat[ 0 ].toLocaleString()} , ${lngLat[ 1 ].toLocaleString()} ` ;
new mapboxgl
.Popup()
.setLngLat(lngLat)
.setHTML(label)
.addTo(map);
})
.catch( ( error ) => {
alert( "There was a problem using the reverse geocode service. See the console for details." );
console .error(error);
});
});
</ script >
</ html >
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Add a pop-up to display the label at the returned coordinates.
More info To add a pop-up to the map, you use the Popup class in Mapbox GL JS. See the Display a pop-up tutorial for more information.
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<!DOCTYPE html >
< html >
< head >
< meta charset = "utf-8" />
< meta name = "viewport" content = "initial-scale=1,maximum-scale=1,user-scalable=no" />
< script src = "https://api.tiles.mapbox.com/mapbox-gl-js/v1.12.0/mapbox-gl.js" > </ script >
< link href = "https://api.tiles.mapbox.com/mapbox-gl-js/v1.12.0/mapbox-gl.css" rel = "stylesheet" />
< script src = "https://unpkg.com/@esri/arcgis-rest-request@3.0.0/dist/umd/request.umd.js" > </ script >
< script src = "https://unpkg.com/@esri/arcgis-rest-geocoding@3.0.0/dist/umd/geocoding.umd.js" > </ script >
< script src = "https://unpkg.com/@esri/arcgis-rest-auth@3.0.0/dist/umd/auth.umd.js" > </ script >
< style >
html ,
body ,
#map {
padding : 0 ;
margin : 0 ;
height : 100% ;
width : 100% ;
font-family : Arial, Helvetica, sans-serif;
font-size : 14px ;
color : #323232 ;
}
</ style >
</ head >
< body >
< div id = "map" > </ div >
</ body >
< script >
const apiKey = "YOUR_API_KEY" ;
const basemapEnum = "ArcGIS:Navigation" ;
const map = new mapboxgl.Map({
container : "map" ,
style : `https://basemaps-api.arcgis.com/arcgis/rest/services/styles/ ${basemapEnum} ?type=style&token= ${apiKey} ` ,
zoom : 12 ,
center : [ 2.3522 , 48.8566 ] // Paris
});
map.on( "click" , ( e ) => {
const coords = e.lngLat.toArray();
const authentication = new arcgisRest.ApiKey({
key : apiKey
});
arcgisRest
.reverseGeocode(coords, {
authentication
})
.then( ( result ) => {
const lngLat = [result.location.x, result.location.y];
const label = ` ${result.address.LongLabel} <br> ${lngLat[ 0 ].toLocaleString()} , ${lngLat[ 1 ].toLocaleString()} ` ;
new mapboxgl
.Popup()
.setLngLat(lngLat)
.setHTML(label)
.addTo(map);
})
.catch( ( error ) => {
alert( "There was a problem using the reverse geocode service. See the console for details." );
console .error(error);
});
});
</ script >
</ html >
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To handle errors that occur when accessing the Geocoding service , such as networking or API key issues, use an error handler to show a message to the user.
Add a handler to catch any exception and display a message to the user.
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<!DOCTYPE html >
< html >
< head >
< meta charset = "utf-8" />
< meta name = "viewport" content = "initial-scale=1,maximum-scale=1,user-scalable=no" />
< script src = "https://api.tiles.mapbox.com/mapbox-gl-js/v1.12.0/mapbox-gl.js" > </ script >
< link href = "https://api.tiles.mapbox.com/mapbox-gl-js/v1.12.0/mapbox-gl.css" rel = "stylesheet" />
< script src = "https://unpkg.com/@esri/arcgis-rest-request@3.0.0/dist/umd/request.umd.js" > </ script >
< script src = "https://unpkg.com/@esri/arcgis-rest-geocoding@3.0.0/dist/umd/geocoding.umd.js" > </ script >
< script src = "https://unpkg.com/@esri/arcgis-rest-auth@3.0.0/dist/umd/auth.umd.js" > </ script >
< style >
html ,
body ,
#map {
padding : 0 ;
margin : 0 ;
height : 100% ;
width : 100% ;
font-family : Arial, Helvetica, sans-serif;
font-size : 14px ;
color : #323232 ;
}
</ style >
</ head >
< body >
< div id = "map" > </ div >
</ body >
< script >
const apiKey = "YOUR_API_KEY" ;
const basemapEnum = "ArcGIS:Navigation" ;
const map = new mapboxgl.Map({
container : "map" ,
style : `https://basemaps-api.arcgis.com/arcgis/rest/services/styles/ ${basemapEnum} ?type=style&token= ${apiKey} ` ,
zoom : 12 ,
center : [ 2.3522 , 48.8566 ] // Paris
});
map.on( "click" , ( e ) => {
const coords = e.lngLat.toArray();
const authentication = new arcgisRest.ApiKey({
key : apiKey
});
arcgisRest
.reverseGeocode(coords, {
authentication
})
.then( ( result ) => {
const lngLat = [result.location.x, result.location.y];
const label = ` ${result.address.LongLabel} <br> ${lngLat[ 0 ].toLocaleString()} , ${lngLat[ 1 ].toLocaleString()} ` ;
new mapboxgl
.Popup()
.setLngLat(lngLat)
.setHTML(label)
.addTo(map);
})
.catch( ( error ) => {
alert( "There was a problem using the reverse geocode service. See the console for details." );
console .error(error);
});
});
</ script >
</ html >
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In CodePen , run your code to display the map.
Click on the map to reverse geocode the clicked point and display a pop-up with the closest address and coordinates.
Learn how to use additional ArcGIS location services in these tutorials:
