curl --request GET \
  --url https://api.arbiterapi.com/v1/polymarket/markets \
  --header 'X-API-Key: <api-key>'

{
  "data": [
    {
      "id": "531202",
      "question": "Will Bitcoin hit $100k by June 2026?",
      "conditionId": "0xb48621f7eba07b0a3eeabc6afb09ae42490239903997b9d412b0f69aeb040c8b",
      "slug": "will-bitcoin-hit-100k-by-june-2026",
      "outcomes": "[\"Yes\", \"No\"]",
      "outcomePrices": "[\"0.65\", \"0.35\"]",
      "volume": "1523400.52",
      "liquidity": "45320.66",
      "active": true,
      "closed": false,
      "startDate": "2025-03-26T16:49:31.084Z",
      "endDate": "2026-06-30T12:00:00Z",
      "createdAt": "2025-03-26T14:44:34.145447Z",
      "updatedAt": "2026-03-29T05:25:34.978655Z",
      "new": false,
      "featured": false,
      "archived": false,
      "clobTokenIds": "[\"12345678901234567890\", \"98765432109876543210\"]",
      "tokens": [
        {
          "token_id": "12345678901234567890",
          "outcome": "Yes",
          "price": 0.65
        },
        {
          "token_id": "98765432109876543210",
          "outcome": "No",
          "price": 0.35
        }
      ],
      "neg_risk": false
    }
  ],
  "cursor": "abc123",
  "has_more": true
}