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

{
  "markets": [
    {
      "condition_id": "<string>",
      "market_slug": "<string>",
      "title": "<string>",
      "asset": "<string>",
      "timeframe": "<string>",
      "status": "<string>",
      "up_token_id": "<string>",
      "down_token_id": "<string>",
      "winning_side": "<string>",
      "up_price": 123,
      "down_price": 123,
      "start_time": "<string>",
      "end_time": "<string>",
      "total_volume_usd": 0,
      "liquidity_usd": 0,
      "event_slug": "<string>",
      "image_url": ""
    }
  ],
  "pagination": {
    "limit": 123,
    "offset": 123,
    "total": 123,
    "has_more": true
  }
}