> For the complete documentation index, see [llms.txt](https://docs.console.zenlayer.com/welcome/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.console.zenlayer.com/welcome/platform/billing-center/vouchers.md).

# Vouchers

<div align="left"><figure><img src="/files/utZwgzEdPFKqrzfgQgI7" alt=""><figcaption><p>Vouchers</p></figcaption></figure></div>

{% hint style="info" %} <mark style="color:blue;">**Note**</mark>

* <mark style="color:blue;">When you apply for a refund, vouchers that were redeemed cannot be returned.</mark>
* <mark style="color:blue;">Vouchers cannot be deducted for overdue payments, or be transferred, withdrawn, or invoiced.</mark>
* <mark style="color:blue;">A voucher's validity period cannot be extended.</mark>
  {% endhint %}

Go to **Billing Center** > **Overview** > **Vouchers** to view all the vouchers you have. You can view applicable products and the valid dates of your vouchers, as well as details for used or expired vouchers.\
Click on **Redeem Voucher** to redeem a voucher if you have a voucher code.