> For the complete documentation index, see [llms.txt](https://requestmechanic.gitbook.io/request-mechanic-api-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://requestmechanic.gitbook.io/request-mechanic-api-documentation/user/update-coupon-information.md).

# Update Coupon Information

Use the `PATCH /user/coupons/{id}/` endpoint to partially update details of a user coupon, such as its value or expiration date.

***

#### Parameters

| **Name**          | **Type**            | **Location** | **Description**                                                                                      |
| ----------------- | ------------------- | ------------ | ---------------------------------------------------------------------------------------------------- |
| `data`            | Object              | Body         | The details of the coupon to update.                                                                 |
| **Fields:**       |                     |              |                                                                                                      |
| `value`           | String              | Body         | (Required) The updated value of the coupon in decimal format.                                        |
| `expiration_date` | String ($date-time) | Body         | (Required) The updated expiration date of the coupon in ISO 8601 format (e.g., YYYY-MM-DDTHH:mm:ss). |
| `id`              | Integer             | Path         | (Required) A unique integer value identifying this coupon.                                           |

***

#### Example Request Body

```json
{
  "value": "50.00",
  "expiration_date": "2024-12-31T23:59:59"
}
```

***

#### Responses

| **Code** | **Description**                      |
| -------- | ------------------------------------ |
| `200`    | The coupon was successfully updated. |

**Example Response**

```json
{
  "id": 1,
  "code": "SUMMER2024",
  "value": "50.00",
  "expiration_date": "2024-12-31T23:59:59"
}
```