{"slug":"azure-maps-search-dotnet","title":"azure-maps-search-dotnet","summary":"Azure Maps SDK for .NET. Location-based services including geocoding, routing, rendering, geolocation, and weather. Use for address search, directions, map tiles, IP geolocation, and weather data. Triggers: \"Azure Maps\", \"MapsSearchClient\", \"MapsRoutingClient\", \"MapsRenderingClie","platform":"GitHub Copilot","tags":[],"authorName":"Ciza","authorSlug":"ciza","score":0,"source":"github","price":null,"verified":false,"createdAt":"2026-08-12T21:05:12.581629Z","repo":{"url":"https://github.com/microsoft/skills","stars":3052,"forks":351,"license":"MIT","updatedAt":"2026-09-24T16:38:17Z"},"bodyHtml":"
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name: azure-maps-search-dotnet\ndescription: |\nAzure Maps SDK for .NET. Location-based services including geocoding, routing, rendering, geolocation, and weather. Use for address search, directions, map tiles, IP geolocation, and weather data. Triggers: \"Azure Maps\", \"MapsSearchClient\", \"MapsRoutingClient\", \"MapsRenderingClient\", \"geocoding .NET\", \"route directions\", \"map tiles\", \"geolocation\".\nlicense: MIT\nmetadata:\nauthor: Microsoft\nversion: \"1.0.0\"\npackage: Azure.Maps.Search

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Azure Maps (.NET)

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Azure Maps SDK for .NET providing location-based services: geocoding, routing, rendering, geolocation, and weather.

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Installation

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# Search (geocoding, reverse geocoding)\ndotnet add package Azure.Maps.Search --prerelease\n\n# Routing (directions, route matrix)\ndotnet add package Azure.Maps.Routing --prerelease\n\n# Rendering (map tiles, static images)\ndotnet add package Azure.Maps.Rendering --prerelease\n\n# Geolocation (IP to location)\ndotnet add package Azure.Maps.Geolocation --prerelease\n\n# Weather\ndotnet add package Azure.Maps.Weather --prerelease\n\n# Resource Management (account management, SAS tokens)\ndotnet add package Azure.ResourceManager.Maps --prerelease\n\n# Required for authentication\ndotnet add package Azure.Identity\n
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Current Versions:

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Environment Variables

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AZURE_MAPS_SUBSCRIPTION_KEY=<your-subscription-key>  # Only required for AzureKeyCredential auth\nAZURE_MAPS_CLIENT_ID=<your-client-id>  # Required: Azure Maps client ID\nAZURE_TOKEN_CREDENTIALS=prod  # Required only if DefaultAzureCredential is used in production\n
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Authentication

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Subscription Key (Shared Key)

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using Azure;\nusing Azure.Maps.Search;\n\nvar subscriptionKey = Environment.GetEnvironmentVariable(\"AZURE_MAPS_SUBSCRIPTION_KEY\");\nvar credential = new AzureKeyCredential(subscriptionKey);\n\nvar client = new MapsSearchClient(credential);\n
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Microsoft Entra Token Credential

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using Azure.Identity;\nusing Azure.Maps.Search;\n\n// Local dev: DefaultAzureCredential. Production: set AZURE_TOKEN_CREDENTIALS=prod or AZURE_TOKEN_CREDENTIALS=<specific_credential>\nvar credential = new DefaultAzureCredential(\n    DefaultAzureCredential.DefaultEnvironmentVariableName\n);\n// Or use a specific credential directly in production:\n// See https://learn.microsoft.com/dotnet/api/overview/azure/identity-readme?view=azure-dotnet#credential-classes\n// var credential = new ManagedIdentityCredential();\nvar clientId = Environment.GetEnvironmentVariable(\"AZURE_MAPS_CLIENT_ID\");\n\nvar client = new MapsSearchClient(credential, clientId);\n
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Shared Access Signature (SAS)

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using Azure;\nusing Azure.Core;\nusing Azure.Identity;\nusing Azure.ResourceManager;\nusing Azure.ResourceManager.Maps;\nusing Azure.ResourceManager.Maps.Models;\nusing Azure.Maps.Search;\n\n// Authenticate with Azure Resource Manager\nArmClient armClient = new ArmClient(new DefaultAzureCredential());\n\n// Get Maps account resource\nResourceIdentifier mapsAccountResourceId = MapsAccountResource.CreateResourceIdentifier(\n    subscriptionId, resourceGroupName, accountName);\nMapsAccountResource mapsAccount = armClient.GetMapsAccountResource(mapsAccountResourceId);\n\n// Generate SAS token\nMapsAccountSasContent sasContent = new MapsAccountSasContent(\n    MapsSigningKey.PrimaryKey, \n    principalId, \n    maxRatePerSecond: 500, \n    start: DateTime.UtcNow.ToString(\"O\"), \n    expiry: DateTime.UtcNow.AddDays(1).ToString(\"O\"));\n\nResponse<MapsAccountSasToken> sas = mapsAccount.GetSas(sasContent);\n\n// Create client with SAS token\nvar sasCredential = new AzureSasCredential(sas.Value.AccountSasToken);\nvar client = new MapsSearchClient(sasCredential);\n
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Client Hierarchy

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Azure.Maps.Search\n└── MapsSearchClient\n    ├── GetGeocoding()                    → Geocode addresses\n    ├── GetGeocodingBatch()               → Batch geocoding\n    ├── GetReverseGeocoding()             → Coordinates to address\n    ├── GetReverseGeocodingBatch()        → Batch reverse geocoding\n    └── GetPolygon()                      → Get boundary polygons\n\nAzure.Maps.Routing\n└── MapsRoutingClient\n    ├── GetDirections()                   → Route directions\n    ├── GetImmediateRouteMatrix()         → Route matrix (sync, ≤100)\n    ├── GetRouteMatrix()                  → Route matrix (async, ≤700)\n    └── GetRouteRange()                   → Isochrone/reachable range\n\nAzure.Maps.Rendering\n└── MapsRenderingClient\n    ├── GetMapTile()                      → Map tiles\n    ├── GetMapStaticImage()               → Static map images\n    └── GetCopyrightCaption()             → Copyright info\n\nAzure.Maps.Geolocation\n└── MapsGeolocationClient\n    └── GetCountryCode()                  → IP to country/region\n\nAzure.Maps.Weather\n└── MapsWeatherClient\n    ├── GetCurrentWeatherConditions()     → Current weather\n    ├── GetDailyForecast()                → Daily forecast\n    ├── GetHourlyForecast()               → Hourly forecast\n    └── GetSevereWeatherAlerts()          → Weather alerts\n
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Core Workflows

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1. Geocoding (Address to Coordinates)

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using Azure;\nusing Azure.Maps.Search;\n\nvar credential = new AzureKeyCredential(subscriptionKey);\nvar client = new MapsSearchClient(credential);\n\nResponse<GeocodingResponse> result = client.GetGeocoding(\"1 Microsoft Way, Redmond, WA 98052\");\n\nforeach (var feature in result.Value.Features)\n{\n    Console.WriteLine($\"Coordinates: {string.Join(\",\", feature.Geometry.Coordinates)}\");\n    Console.WriteLine($\"Address: {feature.Properties.Address.FormattedAddress}\");\n    Console.WriteLine($\"Confidence: {feature.Properties.Confidence}\");\n}\n
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2. Batch Geocoding

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using Azure.Maps.Search.Models.Queries;\n\nList<GeocodingQuery> queries = new List<GeocodingQuery>\n{\n    new GeocodingQuery() { Query = \"400 Broad St, Seattle, WA\" },\n    new GeocodingQuery() { Query = \"1 Microsoft Way, Redmond, WA\" },\n    new GeocodingQuery() { AddressLine = \"Space Needle\", Top = 1 },\n};\n\nResponse<GeocodingBatchResponse> results = client.GetGeocodingBatch(queries);\n\nforeach (var batchItem in results.Value.BatchItems)\n{\n    foreach (var feature in batchItem.Features)\n    {\n        Console.WriteLine($\"Coordinates: {string.Join(\",\", feature.Geometry.Coordinates)}\");\n    }\n}\n
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3. Reverse Geocoding (Coordinates to Address)

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using Azure.Core.GeoJson;\n\nGeoPosition coordinates = new GeoPosition(-122.138685, 47.6305637);\nResponse<GeocodingResponse> result = client.GetReverseGeocoding(coordinates);\n\nforeach (var feature in result.Value.Features)\n{\n    Console.WriteLine($\"Address: {feature.Properties.Address.FormattedAddress}\");\n    Console.WriteLine($\"Locality: {feature.Properties.Address.Locality}\");\n}\n
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4. Get Boundary Polygon

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using Azure.Maps.Search.Models;\n\nGetPolygonOptions options = new GetPolygonOptions()\n{\n    Coordinates = new GeoPosition(-122.204141, 47.61256),\n    ResultType = BoundaryResultTypeEnum.Locality,\n    Resolution = ResolutionEnum.Small,\n};\n\nResponse<Boundary> result = client.GetPolygon(options);\n\nConsole.WriteLine($\"Boundary copyright: {result.Value.Properties?.Copyright}\");\nConsole.WriteLine($\"Polygon count: {result.Value.Geometry.Count}\");\n
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5. Route Directions

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using Azure;\nusing Azure.Core.GeoJson;\nusing Azure.Maps.Routing;\nusing Azure.Maps.Routing.Models;\n\nvar client = new MapsRoutingClient(new AzureKeyCredential(subscriptionKey));\n\nList<GeoPosition> routePoints = new List<GeoPosition>()\n{\n    new GeoPosition(-122.34, 47.61),  // Seattle\n    new GeoPosition(-122.13, 47.64)   // Redmond\n};\n\nRouteDirectionQuery query = new RouteDirectionQuery(routePoints);\nResponse<RouteDirections> result = client.GetDirections(query);\n\nforeach (var route in result.Value.Routes)\n{\n    Console.WriteLine($\"Distance: {route.Summary.LengthInMeters} meters\");\n    Console.WriteLine($\"Duration: {route.Summary.TravelTimeDuration}\");\n    \n    foreach (RouteLeg leg in route.Legs)\n    {\n        Console.WriteLine($\"Leg points: {leg.Points.Count}\");\n    }\n}\n
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6. Route Directions with Options

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RouteDirectionOptions options = new RouteDirectionOptions()\n{\n    RouteType = RouteType.Fastest,\n    UseTrafficData = true,\n    TravelMode = TravelMode.Bicycle,\n    Language = RoutingLanguage.EnglishUsa,\n    InstructionsType = RouteInstructionsType.Text,\n};\n\nRouteDirectionQuery query = new RouteDirectionQuery(routePoints)\n{\n    RouteDirectionOptions = options\n};\n\nResponse<RouteDirections> result = client.GetDirections(query);\n
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7. Route Matrix

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RouteMatrixQuery routeMatrixQuery = new RouteMatrixQuery\n{\n    Origins = new List<GeoPosition>()\n    {\n        new GeoPosition(-122.34, 47.61),\n        new GeoPosition(-122.13, 47.64)\n    },\n    Destinations = new List<GeoPosition>() \n    { \n        new GeoPosition(-122.20, 47.62),\n        new GeoPosition(-122.40, 47.65)\n    },\n};\n\n// Synchronous (up to 100 route combinations)\nResponse<RouteMatrixResult> result = client.GetImmediateRouteMatrix(routeMatrixQuery);\n\nforeach (var cell in result.Value.Matrix.SelectMany(row => row))\n{\n    Console.WriteLine($\"Distance: {cell.Response?.RouteSummary?.LengthInMeters}\");\n    Console.WriteLine($\"Duration: {cell.Response?.RouteSummary?.TravelTimeDuration}\");\n}\n\n// Asynchronous (up to 700 route combinations)\nRouteMatrixOptions routeMatrixOptions = new RouteMatrixOptions(routeMatrixQuery)\n{\n    TravelTimeType = TravelTimeType.All,\n};\nGetRouteMatrixOperation asyncResult = client.GetRouteMatrix(WaitUntil.Completed, routeMatrixOptions);\n
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8. Route Range (Isochrone)

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RouteRangeOptions options = new RouteRangeOptions(-122.34, 47.61)\n{\n    TimeBudget = new TimeSpan(0, 20, 0)  // 20 minutes\n};\n\nResponse<RouteRangeResult> result = client.GetRouteRange(options);\n\n// result.Value.ReachableRange contains the polygon\nConsole.WriteLine($\"Boundary points: {result.Value.ReachableRange.Boundary.Count}\");\n
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9. Get Map Tiles

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using Azure;\nusing Azure.Maps.Rendering;\n\nvar client = new MapsRenderingClient(new AzureKeyCredential(subscriptionKey));\n\nint zoom = 10;\nint tileSize = 256;\n\n// Convert coordinates to tile index\nMapTileIndex tileIndex = MapsRenderingClient.PositionToTileXY(\n    new GeoPosition(13.3854, 52.517), zoom, tileSize);\n\n// Fetch map tile\nGetMapTileOptions options = new GetMapTileOptions(\n    MapTileSetId.MicrosoftImagery,\n    new MapTileIndex(tileIndex.X, tileIndex.Y, zoom)\n);\n\nResponse<Stream> mapTile = client.GetMapTile(options);\n\n// Save to file\nusing (FileStream fileStream = File.Create(\"./MapTile.png\"))\n{\n    mapTile.Value.CopyTo(fileStream);\n}\n
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10. IP Geolocation

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using System.Net;\nusing Azure;\nusing Azure.Maps.Geolocation;\n\nvar client = new MapsGeolocationClient(new AzureKeyCredential(subscriptionKey));\n\nIPAddress ipAddress = IPAddress.Parse(\"2001:4898:80e8:b::189\");\nResponse<CountryRegionResult> result = client.GetCountryCode(ipAddress);\n\nConsole.WriteLine($\"Country ISO Code: {result.Value.IsoCode}\");\n
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11. Current Weather

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using Azure;\nusing Azure.Core.GeoJson;\nusing Azure.Maps.Weather;\n\nvar client = new MapsWeatherClient(new AzureKeyCredential(subscriptionKey));\n\nvar position = new GeoPosition(-122.13071, 47.64011);\nvar options = new GetCurrentWeatherConditionsOptions(position);\n\nResponse<CurrentConditionsResult> result = client.GetCurrentWeatherConditions(options);\n\nforeach (var condition in result.Value.Results)\n{\n    Console.WriteLine($\"Temperature: {condition.Temperature.Value} {condition.Temperature.Unit}\");\n    Console.WriteLine($\"Weather: {condition.Phrase}\");\n    Console.WriteLine($\"Humidity: {condition.RelativeHumidity}%\");\n}\n
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Key Types Reference

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Search Package

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TypePurpose
MapsSearchClientMain client for search operations
GeocodingResponseGeocoding result
GeocodingBatchResponseBatch geocoding result
GeocodingQueryQuery for batch geocoding
ReverseGeocodingQueryQuery for batch reverse geocoding
GetPolygonOptionsOptions for polygon retrieval
BoundaryBoundary polygon result
BoundaryResultTypeEnumBoundary type (Locality, AdminDistrict, etc.)
ResolutionEnumPolygon resolution (Small, Medium, Large)
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Routing Package

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TypePurpose
MapsRoutingClientMain client for routing operations
RouteDirectionQueryQuery for route directions
RouteDirectionOptionsRoute calculation options
RouteDirectionsRoute directions result
RouteLegSegment of a route
RouteMatrixQueryQuery for route matrix
RouteMatrixResultRoute matrix result
RouteRangeOptionsOptions for isochrone
RouteRangeResultIsochrone result
RouteTypeRoute type (Fastest, Shortest, Eco, Thrilling)
TravelModeTravel mode (Car, Truck, Bicycle, Pedestrian)
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Rendering Package

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TypePurpose
MapsRenderingClientMain client for rendering
GetMapTileOptionsMap tile options
MapTileIndexTile coordinates (X, Y, Zoom)
MapTileSetIdTile set identifier
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Common Types

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TypePurpose
GeoPositionGeographic position (longitude, latitude)
GeoBoundingBoxBounding box for geographic area
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Best Practices

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  1. Use Entra ID for production — Prefer over subscription keys
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  2. Batch operations — Use batch geocoding for multiple addresses
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  3. Cache results — Geocoding results don't change frequently
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  4. Use appropriate tile sizes — 256 or 512 pixels based on display
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  5. Handle rate limits — Implement exponential backoff
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  6. Use async route matrix — For large matrix calculations (>100)
    7. \n
  7. Consider traffic data — Set UseTrafficData = true for accurate ETAs
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Error Handling

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try\n{\n    Response<GeocodingResponse> result = client.GetGeocoding(address);\n}\ncatch (RequestFailedException ex)\n{\n    Console.WriteLine($\"Status: {ex.Status}\");\n    Console.WriteLine($\"Error: {ex.Message}\");\n    \n    switch (ex.Status)\n    {\n        case 400:\n            // Invalid request parameters\n            break;\n        case 401:\n            // Authentication failed\n            break;\n        case 429:\n            // Rate limited - implement backoff\n            break;\n    }\n}\n
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Related SDKs

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SDKPurposeInstall
Azure.Maps.SearchGeocoding, searchdotnet add package Azure.Maps.Search --prerelease
Azure.Maps.RoutingDirections, matrixdotnet add package Azure.Maps.Routing --prerelease
Azure.Maps.RenderingMap tiles, imagesdotnet add package Azure.Maps.Rendering --prerelease
Azure.Maps.GeolocationIP geolocationdotnet add package Azure.Maps.Geolocation --prerelease
Azure.Maps.WeatherWeather datadotnet add package Azure.Maps.Weather --prerelease
Azure.ResourceManager.MapsAccount managementdotnet add package Azure.ResourceManager.Maps --prerelease
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Reference Links

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ResourceURL
Azure Maps Documentationhttps://learn.microsoft.com/azure/azure-maps/
Search API Referencehttps://learn.microsoft.com/dotnet/api/azure.maps.search
Routing API Referencehttps://learn.microsoft.com/dotnet/api/azure.maps.routing
GitHub Sourcehttps://github.com/Azure/azure-sdk-for-net/tree/main/sdk/maps
Pricinghttps://azure.microsoft.com/pricing/details/azure-maps/
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