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

[
  {
    "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
  }
]