curl --request GET \
  --url https://openapiv1.coinstats.app/markets \
  --header 'X-API-KEY: <api-key>'

{
  "marketCap": 123,
  "volume": 123,
  "btcDominance": 123,
  "marketCapChange": 123,
  "volumeChange": 123,
  "btcDominanceChange": 123
}