# 换汇

## 换汇预下单(询价)

 - [POST /api/v2/fx/conversion/preorder](https://docs.paykka.com/collection/apis/openapi/%E6%8D%A2%E6%B1%87/preorder.md): 卖出和买入金额只允许填一个

## 换汇确认

 - [POST /api/v2/fx/conversion/confirm](https://docs.paykka.com/collection/apis/openapi/%E6%8D%A2%E6%B1%87/confirm.md)

## 查询换汇结果

 - [POST /api/v2/fx/conversion/inquiry](https://docs.paykka.com/collection/apis/openapi/%E6%8D%A2%E6%B1%87/inquiry.md)

## 换汇结果通知

 - [POST /api/v2/fx/conversion/notify](https://docs.paykka.com/collection/apis/openapi/%E6%8D%A2%E6%B1%87/notify.md)