curl --request POST \
  --url https://api.elections.kalshi.com/trade-api/v2/portfolio/orders \
  --header 'Content-Type: application/json' \
  --data '{
  "action": "buy",
  "buy_max_cost": 123,
  "client_order_id": "<string>",
  "count": 123,
  "expiration_ts": 123,
  "no_price": 50,
  "no_price_dollars": "0.2300",
  "order_group_id": "<string>",
  "post_only": true,
  "self_trade_prevention_type": "<string>",
  "sell_position_capped": true,
  "sell_position_floor": 123,
  "side": "yes",
  "ticker": "<string>",
  "time_in_force": "fill_or_kill",
  "type": "limit",
  "yes_price": 50,
  "yes_price_dollars": "0.2300"
}'

{
  "order": {
    "action": "<string>",
    "client_order_id": "<string>",
    "created_time": "<any>",
    "expiration_time": "<any>",
    "no_price": 123,
    "no_price_dollars": "0.2300",
    "order_group_id": "<string>",
    "order_id": "<string>",
    "self_trade_prevention_type": "<string>",
    "side": "<string>",
    "status": "<string>",
    "ticker": "<string>",
    "type": "<string>",
    "user_id": "<string>",
    "yes_price": 123,
    "yes_price_dollars": "0.2300"
  }
}