> For the complete documentation index, see [llms.txt](https://docs.blixaozric.online/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.blixaozric.online/ultra-coupons/introduction.md).

# Introduction

UltraCoupons lets you create redeemable coupon vouchers — real, physical items players can hold, trade, and redeem with a single click. Every voucher is protected against duplication: if a copy is eve

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The documentation is actively being updated with new content. Please be patient as we continue expanding the wiki.
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#### Requirements

In order to run UltraCoupons on your Minecraft server, you must meet the following requirements.

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1. Java 21
2. Paper or Folia, version 1.21 or newer
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PlaceholderAPI and Vault are both optional. Vault (with an economy plugin) is only needed if you want coupons that cost in-game currency to redeem.

#### Installation

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{% tab title="Paper / Folia" %}

1. Download UltraCoupons and place it into your server's `plugins` folder.
2. Start your server and wait until it finishes booting up, then stop your server.
3. Open `plugins/UltraCoupons/config.yml`, enter your license key under the `LICENSE` section, save, and reboot.
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#### FAQ

<details>

<summary>Can coupons be duplicated?</summary>

No. Every coupon issued to a player carries a hidden unique ID. If a duplicate copy is ever created, redeeming it does nothing and the item is removed — only the original ever pays out.

</details>

<details>

<summary>Does UltraCoupons require PlaceholderAPI or Vault?</summary>

No, both are optional. PlaceholderAPI is only needed if you plan to use UltraCoupons placeholders elsewhere. Vault (with an economy plugin) is only needed if you want to set a cost on coupons.

</details>

<details>

<summary>What happens if my license can't be verified?</summary>

UltraCoupons keeps working for a short grace period if the license server is briefly unreachable. If the license is invalid or the grace period expires, the plugin's functionality is disabled until a valid license is confirmed — the plugin stays loaded and recovers automatically once verified.

</details>


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