curl --request POST \
  --url https://api.anysite.io/api/kalshi/series/search \
  --header 'Content-Type: application/json' \
  --header 'access-token: <api-key>' \
  --data '
{
  "count": 2,
  "timeout": 300
}
'

[
  {
    "ticker": "<string>",
    "@type": "@kalshi_series",
    "title": "<string>",
    "category": "<string>",
    "tags": [],
    "frequency": "<string>",
    "fee_type": "<string>",
    "fee_multiplier": 123,
    "contract_url": "<string>",
    "contract_terms_url": "<string>",
    "additional_prohibitions": [],
    "settlement_sources": [],
    "product_metadata": {
      "@type": "@kalshi_series_product_metadata",
      "scope": "<string>",
      "important_info": {
        "@type": "@kalshi_series_important_info",
        "id": "<string>",
        "title": "<string>",
        "markdown": "<string>",
        "message": "<string>"
      }
    },
    "last_updated_at": "<string>"
  }
]