curl --request POST \
  --url https://traderapi.us-east-1.privatelink.preprod.polymarketexchange.com/api/v1beta1/preview_order \
  --header 'Content-Type: application/json' \
  --data '
{
  "request": {
    "account": "trading-account-456",
    "all_or_none": true,
    "best_limit": true,
    "cash_order_qty": "<string>",
    "client_account_id": "<string>",
    "client_participant_id": "<string>",
    "clord_id": "<string>",
    "commission_override_basis_points": "<string>",
    "commission_override_flat_fee": "<string>",
    "good_till_time": "2023-11-07T05:31:56Z",
    "ignore_price_validity_checks": true,
    "immediately_executable_limit": true,
    "manual_order_indicator": "MANUAL_ORDER_INDICATOR_UNDEFINED",
    "min_qty": "<string>",
    "order_capacity": "ORDER_CAPACITY_UNDEFINED",
    "order_qty": "<string>",
    "participate_dont_initiate": true,
    "price": "5500",
    "quote": "<string>",
    "self_match_prevention_id": "<string>",
    "self_match_prevention_instruction": "SELF_MATCH_PREVENTION_INSTRUCTION_UNDEFINED",
    "session_id": "<string>",
    "side": "SIDE_UNDEFINED",
    "stop_price": "<string>",
    "strict_limit": true,
    "symbol": "aec-nfl-buf-nyj-2025-01-15",
    "symbol_sub_type": "<string>",
    "time_in_force": "TIME_IN_FORCE_UNDEFINED",
    "trigger_method": "CONDITION_TRIGGER_METHOD_UNDEFINED",
    "type": "ORDER_TYPE_UNDEFINED",
    "user": "<string>"
  }
}
'

{
  "preview_order": {
    "account": "trading-account-456",
    "all_or_none": true,
    "avg_px": "<string>",
    "best_limit": true,
    "block_trade_indicator": true,
    "cash_order_qty": "<string>",
    "client_account_id": "<string>",
    "client_participant_id": "<string>",
    "clord_id": "<string>",
    "collateral_memo": "<string>",
    "commission_notional_total_collected": "<string>",
    "commissions_basis_points": "<string>",
    "context": {
      "any_context": {
        "@type": "<string>"
      },
      "fix_context": {
        "begin_string": "<string>",
        "on_behalf_of_comp_id": "<string>",
        "on_behalf_of_sub_id": "<string>",
        "orig_clord_id": "<string>",
        "security_type": "<string>",
        "sender_comp_id": "<string>",
        "sender_location_id": "<string>",
        "sender_sub_id": "<string>",
        "target_comp_id": "<string>",
        "target_location_id": "<string>",
        "target_sub_id": "<string>"
      },
      "service_name": "<string>",
      "validation_contexts": [
        {
          "@type": "<string>"
        }
      ]
    },
    "create_time": "2023-11-07T05:31:56Z",
    "cross_id": "<string>",
    "cum_qty": "<string>",
    "fractional_quantity_scale": "<string>",
    "good_till_time": "2023-11-07T05:31:56Z",
    "host_cross_id": "<string>",
    "id": "<string>",
    "ignore_price_validity_checks": true,
    "immediately_executable_limit": true,
    "insert_time": "2023-11-07T05:31:56Z",
    "last_trade_id": "<string>",
    "last_transact_time": "2023-11-07T05:31:56Z",
    "leaves_qty": "<string>",
    "maker_commissions_basis_points": "<string>",
    "manual_order_indicator": "MANUAL_ORDER_INDICATOR_UNDEFINED",
    "min_qty": "<string>",
    "order_capacity": "ORDER_CAPACITY_UNDEFINED",
    "order_qty": "<string>",
    "parent_order_id": "<string>",
    "participant": "<string>",
    "participate_dont_initiate": true,
    "price": "5500",
    "price_scale": "10000",
    "price_to_quantity_filled": {},
    "priority_weight": "<string>",
    "risk_check_time": "2023-11-07T05:31:56Z",
    "self_match_prevention_instruction": "SELF_MATCH_PREVENTION_INSTRUCTION_UNDEFINED",
    "side": "SIDE_UNDEFINED",
    "state": "ORDER_STATE_NEW",
    "stop_price": "<string>",
    "strict_limit": true,
    "submitting_participant": "<string>",
    "symbol": "aec-nfl-buf-nyj-2025-01-15",
    "symbol_sub_type": "<string>",
    "time_in_force": "TIME_IN_FORCE_UNDEFINED",
    "transaction_booked_time": "2023-11-07T05:31:56Z",
    "trigger_method": "CONDITION_TRIGGER_METHOD_UNDEFINED",
    "type": "ORDER_TYPE_UNDEFINED"
  }
}