curl --request GET \
  --url https://synthesis.trade/api/v1/markets/statistics

{
  "success": true,
  "response": {
    "polymarket": {
      "total_markets": 1500,
      "active_markets": 800,
      "total_volume": 500000000
    },
    "kalshi": {
      "total_markets": 2000,
      "active_markets": 1200,
      "total_volume": 300000000
    },
    "interval": "24h"
  }
}