> 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 Vouchers can be used to deduct fees only for specific products. A voucher is a credit granted by Zenlayer that is deducted from your service fees. Vouchers are held separately from your account balance: they are not money you paid in, they cannot be withdrawn, and they can only be applied to the products and scenarios the voucher was issued for. Each voucher has a name, an applicable product scope, a total amount, an available (unused) amount, and a valid time range. A voucher can be spent across several bills or orders until its available amount reaches zero.

Vouchers

## View your vouchers Go to **Billing Center** > **Overview**. The **Vouchers** card shows the total available amount of all your valid vouchers. Click on the amount to open the **Vouchers** page. Vouchers are grouped into three tabs: | Tab | What it contains | | ------------- | -------------------------------------------------------------------------- | | **Available** | Vouchers within their valid time range that still have an available amount | | **Used** | Vouchers whose amount has been fully deducted | | **Expired** | Vouchers that reached their end time before being fully used | Each voucher shows: * **Voucher name** — the name of the voucher as issued. * **Applicable products** — the number of products the voucher can be applied to. Hover over the number to see the full list. Products you have permission to order link directly to their order page. * **Available amount (USD)** — shown as `available / total`. The grey number on the right is the original amount; the number on the left is what is left to spend. * **Valid time** — the start and end time of the voucher. On the **Available** tab, a countdown is displayed below: it turns orange when 7 days or less remain, and red when 1 day or less remains. You can search by voucher name, sort by amount or valid time, and select **Show vouchers expiring within 7 days** on the **Available** tab to list only the vouchers about to expire. ## Redeem a voucher code If you have a voucher code, click on **Redeem Voucher** on the **Vouchers** page, or enter the code in the redeem box on the **Vouchers** card of **Billing Center** > **Overview**. Voucher codes are not case-sensitive. Each code can be redeemed only once. If the code has already been used, you see *Voucher is already redeemed*. If the code does not exist or is no longer valid, you see *Invalid voucher*. After a successful redemption, the voucher appears on the **Available** tab immediately. ## Usage rules * **Vouchers are applied automatically.** When a bill is settled or an order is paid, any voucher matching the product and scenario is deducted first, and only the remaining amount is taken from your account balance. On the order payment page you can see the voucher amount available for that order, along with the name and code of each voucher used, and you can choose not to use vouchers for that payment. * **The scope is fixed.** A voucher can be used for fee deduction only in the scenarios and for the products it was issued for. It is not a general-purpose balance. * **POC trial credits** can be applied to each resource for up to 30 days. Any charges incurred beyond 30 days must be paid with your real account balance. {% hint style="info" %} **Note** * When you apply for a refund, vouchers that were redeemed cannot be returned. * Vouchers cannot be deducted for overdue payments or against a negative account balance, or be transferred, withdrawn, or invoiced. * A voucher's validity period cannot be extended. Once the end time passes, the remaining amount expires and cannot be restored or reissued. {% endhint %} Additional terms and conditions may apply to individual voucher campaigns. ## How vouchers appear on your bill Voucher deductions are always shown separately from cash, so you can tell how much you actually paid. ### Bills > Overview The **Overview** tab of **Billing Center** > **Bills** summarizes the selected month in three figures: * **Net Spend** — what you actually paid, after voucher deduction. Net Spend = Total Spend - Applied voucher amount. It is never negative. * **Vouchers** — the voucher amount that replaced USD in that month. * **Refund** — the refunded amount for that month. ### Bills > Bills Detail The **Bills Detail** tab carries the same **Applied voucher** column at billing-item level, so you can see exactly which resource the deduction landed on. The column is included when you export the details, and can be shown or hidden in the column settings. ### Order payment When you pay a prepaid order, the payment panel lists the voucher amount available for that order. Hover over it to see each voucher's name and code with the amount it contributes. If the vouchers do not cover the whole order, the rest is taken from your balance, and only the amount still missing after that needs to be refilled. {% hint style="info" %} **Note** If the voucher state changes while you are on the payment page, for example the voucher is used elsewhere or expires, the payment is stopped with *Voucher state changed. Please try again.* Refresh the page and confirm the amounts before paying again. {% endhint %}