curl --request GET \
  --url https://api.predexon.com/v2/polymarket/builders/leaderboard \
  --header 'x-api-key: <api-key>'

{
  "window": "<string>",
  "entries": [
    {
      "rank": 123,
      "builder_code": "<string>",
      "volume_usd": 123,
      "builder_fee_usd": 123,
      "platform_fee_usd": 123,
      "trade_count": 123,
      "unique_traders": 123,
      "unique_markets": 123,
      "current_taker_bps": 123,
      "current_maker_bps": 123
    }
  ]
}