---
title: "Using coupon"
slug: "game-gamepot-storeusercoupon"
tags: ["GAMEPOT"]
updated: 2026-09-17T10:05:44Z
published: 2026-09-17T10:05:44Z
canonical: "api.ncloud-docs.com/game-gamepot-storeusercoupon"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://api.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Using coupon

You can use general coupons and keyword coupons.

## Requested

```
PUT https://dashboard-api.gamepot.ntruss.com/v1/api/project/{projectId}/store/{storeID}/user/{userID}/coupon/{couponNumber}?userData={userData}
```

| Item | Type | Requirement Status | Description | Remarks |
| --- | --- | --- | --- | --- |
| projectId | String | O | GAMEPOT SDK's projectId |  |
| storeID | String | O | Store ID (Google, ONE, Apple, Galaxy) |  |
| userID | String | O | GAMEPOT SDK's user UID |  |
| couponNumber | String | O | Coupon number issued in the dashboard |  |
| userData | String | X | Additional information to be entered in the userData field among webhook API parameters |  |

### Request header

| Header name | Requirement Status | Description |
| --- | --- | --- |
| x-api-key | O | Authentication key issued by GAMEPOT |
| accept-language | X | Language in use |

## Response

| Field name | Type | Description |
| --- | --- | --- |
| status | Int | Result value (1: success) |
| message | String | Result content |

## Examples

### Request examples

```
  curl --request PUT \
  --url https://dashboard-api.gamepot.ntruss.com/v1/api/project/12a0f2ff-xxxx-xxxx-xxxx-9c13ef02f5fs/store/google/user/h43ea8e8-xxxx-xxxx-xxxx-531a46d25eef/coupon/xxxxxx \
  --header 'accept-language: ko' \
  --header 'x-api-key: 86dcgffae064174543xxxx02a8801ce5a547xxxxxxxxxxxxxx'
```

### Response examples

```
{
  "status": 1,
  "message": "success"
}
```

## Error Code

These are the common error codes that occur in response to GAMEPOT Open API requests.

| Parameter | Description |
| --- | --- |
| status | Errors (1: success, see the error code in case of failures) |
| message | Error description |

| Error Code | Description |
| --- | --- |
| -1 | When a key that doesn't exist in the dashboard has been used |
| -2 | When the dashboard's key and the header's key are different |
| -3 | When a key deleted from the dashboard has been used |
| -4 | When a key processed as "not used" on the dashboard has been used |
| -5 | When a key has expired |
| -6 | When the project ID doesn't exist |
| -100 | If an error occurs in processing |

```
{
  "status": -6,
  "message": "projectId was wrong."
}
```