post
https://acquirersandbox.rp-2023app.com/openapi/v2/order/list
Batch query payment orders by merchant outer order numbers or by time
range. If outerOrderList is provided, beginTime/endTime are ignored.
Time-based queries are limited to recent history (up to 30 days).
Each item may include optional subMerchantCode when present on the original payment.
