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

# Update Coupon

> Update an existing coupon.

## Path Parameters

<ParamField path="code" type="string" required>
  The unique code of the coupon to update
</ParamField>

## Request Body Parameters

All parameters are optional. Only provided fields will be updated.

<ParamField body="name" type="string">
  Display name for the coupon
</ParamField>

<ParamField body="description" type="string">
  Description of the coupon
</ParamField>

<ParamField body="discount_type" type="string">
  Type of discount. Available values: `percent`, `fixed_amount`
</ParamField>

<ParamField body="discount_value" type="number">
  Discount value (percentage or fixed amount)
</ParamField>

<ParamField body="status" type="string">
  Coupon status. Available values: `active`, `inactive`
</ParamField>

<ParamField body="active_from" type="string">
  Start date for coupon validity (YYYY-MM-DD format)
</ParamField>

<ParamField body="active_to" type="string">
  End date for coupon validity (YYYY-MM-DD format)
</ParamField>

<ParamField body="usage_limit" type="integer">
  Maximum number of uses (0 = unlimited)
</ParamField>

<ParamField body="min_order_amount" type="number">
  Minimum order amount required to use coupon
</ParamField>

<ParamField body="max_discount_amount" type="number">
  Maximum discount amount (for percentage discounts)
</ParamField>

## Example Request

```bash theme={null}
PUT /wp-json/latepoint-api/v1/coupons/TEST2025
Authorization: Bearer YOUR_API_KEY
Content-Type: application/json

{
  "name": "Updated Test Coupon 2025",
  "description": "Updated test coupon for API testing",
  "discount_value": 20,
  "usage_limit": 100,
  "min_order_amount": 50
}
```

## Response

```json theme={null}
{
  "success": true,
  "message": "Coupon updated successfully",
  "data": {
    "id": "7",
    "code": "TEST2025",
    "name": "Updated Test Coupon 2025",
    "description": "Updated test coupon for API testing",
    "discount_type": "percent",
    "discount_value": 20,
    "status": "active",
    "active_from": "0000-00-00",
    "active_to": "0000-00-00",
    "usage_limit": 100,
    "min_order_amount": 50,
    "max_discount_amount": null,
    "created_at": "2025-08-21 11:07:00",
    "updated_at": "2025-08-21 11:07:09"
  }
}
```