curl --request GET \
  --url https://api.example.com/api/consumer-prices/v1/get-consumer-price-basket-series

{
  "marketCode": "<string>",
  "basketSlug": "<string>",
  "asOf": "<string>",
  "currencyCode": "<string>",
  "range": "<string>",
  "essentialsSeries": [
    {
      "date": "<string>",
      "index": 123
    }
  ],
  "valueSeries": [
    {
      "date": "<string>",
      "index": 123
    }
  ],
  "upstreamUnavailable": true
}