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L'API Geolocation è un servizio che accetta una richiesta HTTPS con
le torri cellulari e i punti di accesso Wi-Fi che un client mobile può rilevare. Restituisce
coordinate di latitudine/longitudine e un raggio che indica l'accuratezza del
risultato per ogni input valido.
Perché utilizzare l'API Geolocation
Utilizza l'API Geolocation per individuare i dispositivi mobili che non forniscono funzionalità di geolocalizzazione native.
Cosa puoi fare con l'API Geolocation
Con l'API Geolocation, puoi utilizzare i dati geospaziali provenienti da torri cellulari
e nodi Wi-Fi per ottenere la posizione di un dispositivo che non dispone di geolocalizzazione o GPS nativi.
Come funziona l'API Geolocation
L'API Geolocation utilizza i campi di dati dei dispositivi mobili, i dati delle torri cellulari e i dati degli array dei punti di accesso Wi-Fi per restituire le coordinate di latitudine/longitudine e un raggio di precisione. Accetta una richiesta POST HTTPS al suo endpoint insieme a un corpo della richiesta strutturato in formato JSON. L'esempio seguente mostra l'URL della richiesta e un esempio di corpo della richiesta:
L'API può restituire dati per una serie di campi di dati cellulari comuni, come indicato di seguito.
Risorse
La seguente tabella riassume i campi nel corpo della richiesta della chiamata dell'endpoint di geolocalizzazione, insieme al tipo di dati forniti da queste query.
Una volta ottenuta una chiave API, puoi iniziare a testare l'API Geolocation utilizzando cURL o Postman. Per maggiori dettagli, consulta la sezione Richieste di esempio
nella guida Richieste e risposte di geolocalizzazione.
Esplora le risposte dei dati di geolocalizzazione per prepararti a utilizzare i dati di elevazione per la tua app. Per informazioni dettagliate, vedi
Risposte di geolocalizzazione.
Librerie client disponibili
Chiama questa API nella lingua di tua scelta tramite una delle seguenti librerie client:
I client Java, Python, Go e Node.js per i servizi Google Maps sono librerie client supportate dalla community, open source con licenza Apache 2.0.
Scaricali da GitHub, dove puoi trovare anche le istruzioni di installazione e il codice campione.
[null,null,["Ultimo aggiornamento 2025-08-31 UTC."],[[["\u003cp\u003eThe Geolocation API determines the latitude and longitude of a device using cell tower and WiFi access point data, returning results with an accuracy radius.\u003c/p\u003e\n"],["\u003cp\u003eThis API is primarily for devices lacking native geolocation features; devices with such features should leverage HTML5 geolocation or the Geocoding API.\u003c/p\u003e\n"],["\u003cp\u003eBy sending an HTTPS POST request with device data to the API endpoint, developers can retrieve location information for mobile devices.\u003c/p\u003e\n"],["\u003cp\u003eDevelopers can utilize various data resources like cell device fields, cell tower data, and WiFi access point data to pinpoint device locations.\u003c/p\u003e\n"],["\u003cp\u003eClient libraries are available in Java, Python, Go, and Node.js for seamless integration with the Geolocation API.\u003c/p\u003e\n"]]],[],null,["The Geolocation API is a service that accepts an HTTPS request with the\ncell tower and Wi-Fi access points that a mobile client can detect. It returns\nlatitude/longitude coordinates and a radius indicating the accuracy of the\nresult for each valid input.\n| **Note** : To get device location information using latitude and longitude coordinates, addresses, or Place IDs, go to the [Geocoding API](/maps/documentation/geocoding/overview).\n\nWhy use the Geolocation API\n\nUse the Geolocation API to locate mobile devices that do not provide native geolocation\nfeatures.\n| For web browsers and mobile devices that ***already provide geolocation capabilities*** , use the following instead:\n|\n| - **Browsers with HTML5 geolocation** : Use the Maps Javascript API. For more information, go to [Geolocation:\n| Displaying User or Device Position on Maps](/maps/documentation/javascript/geolocation).\n| - **Mobile devices geolocation** : Go to [Geocoding API](/maps/documentation/geocoding/overview).\n|\n| For more information on the W3C Geolocation standard, see\n| [W3C Geolocation standard](https://w3c.github.io/geolocation-api/).\n\nWhat you can do with the Geolocation API\n\nWith the Geolocation API, you can use geospatial data from cell towers\nand WiFi nodes to get the location of a device that does not have native geolocation or GPS.\n\nHow the Geolocation API works\n\nThe Geolocation API uses cellular device data fields, cell tower\ndata, and WiFi access point array data to return latitude/longitude coordinates and an accuracy\nradius. It accepts an HTTPS POST request to its endpoint along with a JSON structured request\nbody. The following example shows the request URL and an example request body:\n\n```json\ncurl -X POST \"https://www.googleapis.com/geolocation/v1/geolocate?key=\u003cvar translate=\"no\"\u003eYOUR_API_KEY\u003c/var\u003e\" \\\n-H \"Content-Type: application/json\" \\\n-d \\\n'{ \"homeMobileCountryCode\":310,\n \"homeMobileNetworkCode\":410,\n \"radioType\":\"gsm\",\n \"carrier\":\"Vodafone\",\n \"considerIp\":true\n}'\n```\nThe API can return data for a number of common cellular data fields as indicated below.\n\nResources\n\nThe following table summarizes the fields in the request body of the geolocation endpoint\ncall, along with the type of data provided from such queries.\n\n| Data resources | Data returned | Return format |\n|----------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------|---------------|\n| [Cell device data fields](/maps/documentation/geolocation/requests-geolocation#body) such as carrier, device, and network information. | Latitude/longitude coordinates and an accuracy radius | JSON |\n| [Cell tower data](/maps/documentation/geolocation/requests-geolocation#cell_tower_object), such as location area code and mobile country codes. | Latitude/longitude coordinates and an accuracy radius | JSON |\n| [WiFi access points data](/maps/documentation/geolocation/requests-geolocation#wifi_access_point_object), such as MAC address and signal strength. | Latitude/longitude coordinates and an accuracy radius | JSON |\n\nHow to use the Geolocation API\n\n|---|------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| 1 | **Get set up** | Start with [Set up your Google Cloud project](/maps/documentation/elevation/cloud-setup) and complete the setup instructions that follow. |\n| 2 | **Try a geolocation request** | Once you have an API key, you can start testing out the Geolocation API using cURL or Postman. See [Sample requests](/maps/documentation/geolocation/requests-geolocation#sample-requests) in the Geolocation requests and response guide for details. |\n| 3 | **Get the cellID from different radio towers** | See [Calculating cellID](/maps/documentation/geolocation/requests-geolocation#calculating_cell_id) and [Calculating newRadioCellID](/maps/documentation/geolocation/requests-geolocation#sample-requests) to get access to older and newer towers, respectively. |\n| 4 | **Understand response basics** | Explore the geolocation data responses to prepare to use elevation data for your app. See [Geolocation responses](/maps/documentation/geolocation/requests-geolocation#responses) for details. |\n\nAvailable client libraries\n\nCall this API in the language of\nyour choice through one of the following client libraries:\n\n- [Java\n Client for Google Maps Services](https://github.com/googlemaps/google-maps-services-java)\n- [Python\n Client for Google Maps Services](https://github.com/googlemaps/google-maps-services-python)\n- [Go Client\n for Google Maps Services](https://github.com/googlemaps/google-maps-services-go)\n- [Node.js\n Client for Google Maps Services](https://github.com/googlemaps/google-maps-services-js)\n\nThe Java Client, Python Client, Go Client and Node.js Client for Google Maps\nServices are community-supported client libraries, open sourced under the\n[Apache 2.0 License](http://www.apache.org/licenses/LICENSE-2.0).\nDownload them from GitHub, where you can also find installation instructions and sample code.\n\nWhat's next\n\n- **Get started with sample requests and responses** : Go to [Geolocation request and response](/maps/documentation/geolocation/requests-geolocation)\n- **Follow best practices** : Go to [Web Service Best Practices](/maps/documentation/geolocation/web-service-best-practices).\n- **Understand billing** : Go to [Usage and Billing](/maps/documentation/geolocation/usage-and-billing)."]]
