curl --request GET \
  --url https://api.example.com/kalshi/markets

{
  "markets": [
    {
      "ticker": "<string>",
      "series_ticker": "<string>",
      "event_ticker": "<string>",
      "title": "<string>",
      "subtitle": "<string>",
      "category": "<string>",
      "open_time": "<string>",
      "close_time": "<string>",
      "expiration_time": "<string>",
      "yes_bid": 123,
      "yes_ask": 123,
      "no_bid": 123,
      "no_ask": 123,
      "last_price": 123,
      "volume": 123,
      "volume_24h": 123,
      "liquidity": 123,
      "open_interest": 123
    }
  ],
  "cursor": "<string>"
}