# Query

## Execute an Overpass QL query

**post** `/api/v1/overpass`

Execute an Overpass QL query

### Body Parameters

- `data: string`

  Overpass QL query string

### Returns

- `FeatureCollection = object { features, type }`

  Bare GeoJSON FeatureCollection. Pagination metadata is returned in HTTP headers (X-Limit, X-Has-More, X-Next-Cursor, X-Next-Offset, Link).

  - `features: array of GeoJsonFeature`

    - `geometry: GeoJsonGeometry`

      - `coordinates: array of number or array of array of number or array of array of array of number or array of array of array of array of number`

        GeoJSON coordinates array (nesting depth varies by geometry type)

        - `array of number`

        - `array of array of number`

        - `array of array of array of number`

        - `array of array of array of array of number`

      - `type: "Point" or "LineString" or "Polygon" or 3 more`

        - `"Point"`

        - `"LineString"`

        - `"Polygon"`

        - `"MultiPoint"`

        - `"MultiLineString"`

        - `"MultiPolygon"`

    - `properties: map[unknown]`

    - `type: "Feature"`

      - `"Feature"`

    - `id: optional string`

      Feature identifier (type/osm_id)

    - `osm_id: optional number`

      OpenStreetMap ID

  - `type: "FeatureCollection"`

    - `"FeatureCollection"`

### Example

```http
curl https://plaza.fyi/api/v1/overpass \
    -H 'Content-Type: application/json' \
    -H "Authorization: Bearer $PLAZA_API_KEY" \
    -d '{
          "data": "data"
        }'
```

## Execute a SPARQL query

**post** `/api/v1/sparql`

Execute a SPARQL query

### Body Parameters

- `query: string`

  SPARQL query string

### Returns

- `SparqlResult = object { features, type }`

  GeoJSON FeatureCollection of SPARQL query results

  - `features: array of GeoJsonFeature`

    GeoJSON features from SPARQL query

    - `geometry: GeoJsonGeometry`

      - `coordinates: array of number or array of array of number or array of array of array of number or array of array of array of array of number`

        GeoJSON coordinates array (nesting depth varies by geometry type)

        - `array of number`

        - `array of array of number`

        - `array of array of array of number`

        - `array of array of array of array of number`

      - `type: "Point" or "LineString" or "Polygon" or 3 more`

        - `"Point"`

        - `"LineString"`

        - `"Polygon"`

        - `"MultiPoint"`

        - `"MultiLineString"`

        - `"MultiPolygon"`

    - `properties: map[unknown]`

    - `type: "Feature"`

      - `"Feature"`

    - `id: optional string`

      Feature identifier (type/osm_id)

    - `osm_id: optional number`

      OpenStreetMap ID

  - `type: "FeatureCollection"`

    - `"FeatureCollection"`

### Example

```http
curl https://plaza.fyi/api/v1/sparql \
    -H 'Content-Type: application/json' \
    -H "Authorization: Bearer $PLAZA_API_KEY" \
    -d '{
          "query": "query"
        }'
```

## Domain Types

### Overpass Query

- `OverpassQuery = object { data }`

  - `data: string`

    Overpass QL query string

### Sparql Query

- `SparqlQuery = object { query }`

  - `query: string`

    SPARQL query string

### Sparql Result

- `SparqlResult = object { features, type }`

  GeoJSON FeatureCollection of SPARQL query results

  - `features: array of GeoJsonFeature`

    GeoJSON features from SPARQL query

    - `geometry: GeoJsonGeometry`

      - `coordinates: array of number or array of array of number or array of array of array of number or array of array of array of array of number`

        GeoJSON coordinates array (nesting depth varies by geometry type)

        - `array of number`

        - `array of array of number`

        - `array of array of array of number`

        - `array of array of array of array of number`

      - `type: "Point" or "LineString" or "Polygon" or 3 more`

        - `"Point"`

        - `"LineString"`

        - `"Polygon"`

        - `"MultiPoint"`

        - `"MultiLineString"`

        - `"MultiPolygon"`

    - `properties: map[unknown]`

    - `type: "Feature"`

      - `"Feature"`

    - `id: optional string`

      Feature identifier (type/osm_id)

    - `osm_id: optional number`

      OpenStreetMap ID

  - `type: "FeatureCollection"`

    - `"FeatureCollection"`