curl --request GET \
  --url https://api.example.com/api/v1/meta/coverage

{
  "providers": [
    "<string>"
  ],
  "timeseries": [
    {
      "name": "<string>",
      "metrics": [
        {
          "code": "<string>",
          "unit": "<string>",
          "providers": [
            "<string>"
          ]
        }
      ]
    }
  ],
  "workout_fields": [
    {
      "code": "<string>",
      "providers": [
        "<string>"
      ]
    }
  ],
  "sleep_fields": [
    {
      "code": "<string>",
      "providers": [
        "<string>"
      ]
    }
  ],
  "health_scores": [
    {
      "code": "<string>",
      "providers": [
        "<string>"
      ]
    }
  ]
}