curl --request POST \
  --url https://api.agg.market/execution/quote \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'x-app-id: <api-key>' \
  --data '
{
  "venue": "kalshi",
  "marketId": "<string>",
  "tokenId": "<string>",
  "side": "buy",
  "amount": 1,
  "slippageBps": 5000
}
'

{
  "quoteId": "<string>",
  "canExecute": true,
  "estimatedCostRaw": "<string>",
  "steps": [
    {
      "type": "<string>",
      "description": "<string>",
      "estimatedDurationMs": 123
    }
  ],
  "splits": [
    {
      "venue": "kalshi",
      "tokenId": "<string>",
      "price": "<string>",
      "size": "<string>",
      "costRaw": "<string>"
    }
  ],
  "expiresAt": "<string>"
}