# Mileage

## API actions

API base path: `/tracker/stats/mileage`.

### read

Returns mileage in kilometers in specified period grouped by trackers and day.

#### Parameters

| name     | description                                                                                                                            | type                                                                   |
| -------- | -------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------- |
| trackers | Array of tracker IDs (aka "object\_id"). Trackers must belong to authorized user and not be blocked. Maximum 128 trackers per request. | int array                                                              |
| from     | From date/time.                                                                                                                        | [date/time](/docs/navixy-api/user-api/backend-api.md#datetime-formats) |
| to       | To date/time. Specified date must be after "from" date.                                                                                | [date/time](/docs/navixy-api/user-api/backend-api.md#datetime-formats) |

#### Examples

cURL

{% code overflow="wrap" %}

```sh
curl -X POST 'https://api.eu.navixy.com/v2/tracker/stats/mileage/read' \
    -H 'Content-Type: application/json' \
    -d '{"hash": "22eac1c27af4be7b9d04da2ce1af111b", "trackers": [123456], "from": "2020-09-24 03:24:00", "to": "2020-09-24 06:24:00"}'
```

{% endcode %}

#### Response

```json
{
  "success": true,
  "result": {
    "123456": {
      "2000-01-01": {
        "mileage": 0.0
      },
      "2000-01-02": {
        "mileage": 0.0
      },
      "2000-01-03": {
        "mileage": 199.09
      }
    }
  },
  "limit_exceeded": false
}
```

#### Errors

* 211 – Requested time span is too big - if interval between "from" and "to" is too big (maximum value specified in API config).
* 217 – List contains nonexistent entities.
* 221 – Device limit exceeded.


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