> 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/tutorials/how-to-set-a-fixed-currency.md).

# How to Set a Fixed Currency？

By setting a fixed currency, the cash register will accept payments in the currency specified by the interface.

* **In the API application list, select the API application you want to set, click "Operate", then click "Edit".**

<figure><img src="https://1525712843-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FyTSBSM3uLnIDbPyeLQ0p%2Fuploads%2F5EzCnMQ5gdgtwjtQO5mp%2Fimage_ryl9v%40memfozvb%401536x759.jpg?alt=media&amp;token=8080d14b-5539-49ec-8bb2-a08f00195e73" alt=""><figcaption></figcaption></figure>

* **Tap the "Fixed Currency" button, then click "Submit".**

<figure><img src="https://1525712843-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FyTSBSM3uLnIDbPyeLQ0p%2Fuploads%2F0BkWrtaxms5Z1hjKY1KP%2FSnipaste_2025-09-22_13-59-37.png?alt=media&amp;token=3f819eda-0fef-46de-9938-df955d1b7c68" alt=""><figcaption></figcaption></figure>

After successful setup, the checkout display page appears as follows:

<figure><img src="https://1525712843-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FyTSBSM3uLnIDbPyeLQ0p%2Fuploads%2FLRAvAklvIDhZKtAOmdks%2F%E8%8B%B1%E6%96%87.png?alt=media&amp;token=686461db-1dd0-45ab-ad0b-6ed670412e11" alt=""><figcaption></figcaption></figure>