curl --request POST \
  --url https://xbt-mainnet.gomaestro-api.org/v0/markets/prices/batch \
  --header 'Content-Type: application/json' \
  --header 'api-key: <api-key>' \
  --data '{}'

[
  {
    "data": [
      {
        "price": 123,
        "timestamp": 123
      }
    ]
  }
]