> For the complete documentation index, see [llms.txt](https://doc.tokenpay.me/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.tokenpay.me/chinese/shi-yong-jiao-cheng/shang-hu-api-zhi-fu-ru-he-she-zhi-shou-yin-tai-bi-zhong-huilcha.md).

# 【商户-API支付】如何设置收银台币种汇率差？

设置币种汇率差，可以有效降低因汇率波动而导致收款金额不足的风险。比如当前汇率为1USDT=13TRX，如您设置的多币种汇率差为10%，用户使用TRX支付1USDT的订单时，则需支付13+1.3=14.3TRX。

* **设置多币种支付的页面中，点击“设置多币种汇率差”**

<figure><img src="https://2691041111-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FehM5iPeli02fvwTRn7jv%2Fuploads%2F2apE6HD1ffQQCyLUUIZr%2FSnipaste_2025-03-28_16-57-53.png?alt=media&amp;token=7eff40b7-9d15-44fd-b443-352c219f390e" alt=""><figcaption></figcaption></figure>

* **选择公链，点击“编辑”**

<figure><img src="https://2691041111-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FehM5iPeli02fvwTRn7jv%2Fuploads%2FCa4qlJfFiOUNTMRQVTwl%2FSnipaste_2025-03-28_16-59-14.png?alt=media&amp;token=e5fd05b4-343e-4e88-bb03-e999a32f4e33" alt=""><figcaption></figcaption></figure>

* **输入汇率差，点击“保存”即可**

<figure><img src="https://2691041111-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FehM5iPeli02fvwTRn7jv%2Fuploads%2F8gcygUHZlICNrBFjwqS4%2F%E8%BE%93%E5%85%A5%E6%B1%87%E7%8E%87%E5%B7%AE.png?alt=media&amp;token=26582b78-2ab7-4a03-a05f-5e94f3108dad" alt=""><figcaption></figcaption></figure>