curl --request GET \
  --url https://api.utage-system.com/v1/funnels/{funnel_id}/stats/daily \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "step_id": "<string>",
      "step_name": "<string>",
      "pages": [
        {
          "page_id": "<string>",
          "page_name": "<string>",
          "has_payment_element": true,
          "totals": {
            "pv": 123,
            "uu": 123,
            "registration_count": 123,
            "registration_rate": 123,
            "sale_count": 123,
            "purchase_rate": 123,
            "sale_amount": 123
          },
          "daily": [
            {
              "date": "2023-12-25",
              "pv": 123,
              "uu": 123,
              "registration_count": 123,
              "registration_rate": 123,
              "sale_count": 123,
              "purchase_rate": 123,
              "sale_amount": 123
            }
          ]
        }
      ]
    }
  ]
}