## Look up elevation at one or more points

`ElevationLookupResult Elevation.Lookup(ElevationLookupParams?parameters, CancellationTokencancellationToken = default)`

**get** `/api/v1/elevation`

Look up elevation at one or more points

### Parameters

- `ElevationLookupParams parameters`

  - `Double lat`

    Latitude (single point)

  - `Double lng`

    Longitude (single point)

  - `string locations`

    Pipe-separated lng,lat pairs (batch)

### Returns

- `class ElevationLookupResult:`

  GeoJSON Point Feature with 3D coordinate [lng, lat, elevation] (RFC 7946 §3.1.1)

  - `required GeoJsonGeometry Geometry`

    - `required Coordinates Coordinates`

      GeoJSON coordinates array (nesting depth varies by geometry type)

      - `IReadOnlyList<Double>`

      - `IReadOnlyList<IReadOnlyList<Double>>`

      - `IReadOnlyList<IReadOnlyList<IReadOnlyList<Double>>>`

      - `IReadOnlyList<IReadOnlyList<IReadOnlyList<IReadOnlyList<Double>>>>`

    - `required Type Type`

      - `"Point"Point`

      - `"LineString"LineString`

      - `"Polygon"Polygon`

      - `"MultiPoint"MultiPoint`

      - `"MultiLineString"MultiLineString`

      - `"MultiPolygon"MultiPolygon`

  - `required Properties Properties`

    - `Double ElevationM`

      Elevation in meters above mean sea level

  - `required Type Type`

    - `"Feature"Feature`

### Example

```csharp
ElevationLookupParams parameters = new();

var elevationLookupResult = await client.Elevation.Lookup(parameters);

Console.WriteLine(elevationLookupResult);
```