# 兑换优惠券码

兑换优惠券码。用户在兑换优惠券后获得奖励。

Endpoint: POST /v2/project/{project_id}/coupon/redeem
Version: 2.0.0
Security: XsollaLoginUserJWT

## Path parameters:

  - `project_id` (integer, required)
    项目ID。您可以在您的发布商帐户项目名称旁边找到。
    Example: 44056

## Request fields (application/json):

  - `coupon_code` (string)
    唯一优惠券码。包含字母和数字。
    Example: "WINTER2021"

  - `selected_unit_items` (object)
    用户选择的奖励。
对象键是单位的SKU，值是单位中一个商品的SKU。
    Example: {"game_1":"game_1_steam","game_2":"game_2_playstation"}

## Response 200 fields (application/json):

  - `items` (array)
    Example: [{"attributes":[],"description":"Take it, take it all! All of Xsolla's riches in one Mega Booster.","groups":[{"external_id":"powerups","name":"Power Ups"}],"image_url":"https://cdn.xsolla.net/img/misc/images/e9f2f4a634bc96ea03b5d5ceadd7c55f.png","is_free":false,"name":"Xsolla Booster Mega","price":{"amount":"50.0000000000000000","amount_without_discount":"100.0000000000000000","currency":"USD"},"quantity":1,"sku":"com.xsolla.booster_mega_1","type":"virtual_good","virtual_item_type":"consumable","virtual_prices":[]}]

  - `items.attributes` (array)

  - `items.description` (string)

  - `items.groups` (array)

  - `items.groups.external_id` (string)

  - `items.groups.name` (string)

  - `items.image_url` (string)

  - `items.is_free` (boolean)

  - `items.price` (object,null)
    商品价格。

  - `items.price.amount` (string)
    折扣后的商品价格。
    Example: "2.9900"

  - `items.price.amount_without_discount` (string)
    商品价格。
    Example: "2.9900"

  - `items.price.currency` (string)
    商品价格货币。每[ISO 4217](https://en.wikipedia.org/wiki/ISO_4217)。
    Example: "USD"

  - `items.quantity` (integer)

  - `items.sku` (string)

  - `items.type` (string)

  - `items.virtual_item_type` (string)
    虚拟物品的类型。
    Enum: "consumable", "non_consumable", "non_renewing_subscription"

  - `items.virtual_prices` (array)

## Response 401 fields (application/json):

  - `errorCode` (integer)
    Example: 1501

  - `errorMessage` (string)
    Example: "[0401-1501]: Authorization failed: Provide authorization"

  - `statusCode` (integer)
    Example: 401

## Response 403 fields (application/json):

  - `errorCode` (integer)

  - `errorMessage` (string)
    Example: "Authorization header not sent."

  - `statusCode` (integer)
    Example: 403

  - `transactionId` (string)
    Example: "x-x-x-x-transactionId-mock-x-x-x"

## Response 404 fields (application/json):

  - `errorCode` (integer)
    Example: 4001

  - `errorMessage` (string)
    Example: "[0401-9807]: Enter valid coupon code."

  - `statusCode` (integer)
    Example: 404

## Response 422 fields (application/json):

  - `errorCode` (integer)
    Example: 1102

  - `errorMessage` (string)
    Example: "[0401-1102]: Unprocessable Entity. The property `coupon_code` is required"

  - `statusCode` (integer)
    Example: 422

  - `transactionId` (string)
    Example: "x-x-x-x-transactionId-mock-x-x-x"