curl --request POST \
  --url https://api.globalwebindex.com/v2/query/stats \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '{
  "question": "q20",
  "datapoints": [
    "q20_3",
    "q20_1",
    "q20_5",
    "q20_6",
    "q20_7",
    "q20_4",
    "q20_2"
  ],
  "suffixes": [
    "1",
    "2",
    "3"
  ],
  "splitter": "waves",
  "segments": [
    "q1_2019",
    "q2_2019",
    "q3_2019",
    "q4_2019"
  ],
  "segmented_base": true,
  "audiences": [
    {
      "id": "133",
      "name": "my_audience",
      "expression": {
        "and": [
          {
            "question": "q2",
            "datapoints": [
              "q2_1",
              "q2_2"
            ],
            "min_count": 1,
            "not": false
          },
          {
            "question": "q20",
            "datapoints": [
              "q20_2"
            ],
            "min_count": 1,
            "suffixes": [
              "1",
              "2",
              "3"
            ],
            "not": false
          }
        ]
      }
    }
  ],
  "locations": [
    "s2_1",
    "s2_44"
  ],
  "waves": [
    "q1_2019",
    "q2_2019",
    "q3_2019",
    "q4_2019"
  ],
  "base_audience": {
    "id": "123",
    "name": "base_audience",
    "expression": {
      "and": [
        {
          "question": "q2",
          "datapoints": [
            "q2_1",
            "q2_2"
          ],
          "min_count": 1,
          "not": false
        },
        {
          "question": "q20",
          "datapoints": [
            "q20_2"
          ],
          "min_count": 1,
          "suffixes": [
            "1",
            "2",
            "3"
          ],
          "not": false
        }
      ]
    }
  }
}'

{
  "meta": {
    "type": "DATAPOINTS-SEGMENTS",
    "question": "q20",
    "splitter": "waves"
  },
  "data": [
    {
      "datapoint": "q20_3",
      "waves": [
        "q1_2019",
        "q2_2019",
        "q3_2019",
        "q4_2019"
      ],
      "segment": "q1_2019",
      "metrics": {
        "positive_size": 123,
        "positive_sample": 123,
        "audience_index": 123,
        "audience_percentage": 123,
        "audience_sample": 123,
        "audience_size": 123,
        "datapoint_percentage": 123,
        "datapoint_sample": 123,
        "datapoint_size": 123
      },
      "audience": "133",
      "suffixes": [
        1,
        2,
        3
      ]
    }
  ]
}