transform

curl -s -XPOST -H 'Content-Type: application/json' 'http://localhost:9200/stat_customers_with_keys/_search' -d '
{
  "aggs": {
    "0": {
      "date_histogram": {
        "field": "day",
        "fixed_interval": "24h",
        "time_zone": "Europe/Ljubljana",
        "extended_bounds": {
          "min": 1656626400000,
          "max": 1657231200000
        }
      },
      "aggs": {
        "1": {
          "sum": {
            "field": "requests"
          }
        }
      }
    }
  },
  "size": 0,
  "fields": [
    {
      "field": "day",
      "format": "date_time"
    }
  ],
  "script_fields": {},
  "stored_fields": [
    "*"
  ],
  "runtime_mappings": {},
  "_source": {
    "excludes": []
  },
  "query": {
    "bool": {
      "must": [],
      "filter": [
        {
          "range": {
            "day": {
              "format": "strict_date_optional_time",
              "gte": "2022-06-30T22:00:00.000Z",
              "lte": "2022-07-07T22:00:00.000Z"
            }
          }
        }
      ],
      "should": [],
      "must_not": []
    }
  }
}
' | jq '.aggregations."0".buckets[]' -r