curl --request GET \
  --url https://api.struct.to/v1/polymarket/market/metrics

[
  {
    "condition_id": "<string>",
    "timeframe": "<string>",
    "volume_usd": 123,
    "shares_volume": 123,
    "builder_usd_volume": 123,
    "builder_shares_volume": 123,
    "fees": 123,
    "builder_fees": 123,
    "txns": 123,
    "builder_txns": 123,
    "unique_traders": 123,
    "unique_makers": 123,
    "unique_takers": 123,
    "unique_builder_traders": 123,
    "avg_trade_usd": 123,
    "avg_trade_shares": 123
  }
]