curl --request GET \
  --url https://api.rewind.rest/v1/running/streaks \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "current": {
      "days": 0,
      "start": null,
      "end": null
    },
    "longest": {
      "days": 8,
      "start": "2020-05-09",
      "end": "2020-05-16"
    }
  }
}