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

# 更新商品

> 通过自动不可变版本控制更新一次性商品内容

更新一次性商品的内容。如果内容有变化，将自动创建一个新的不可变版本。如果内容与当前版本一致，则不会创建新版本。

```
POST /v1/actions/onetime-product/update-product
```

**认证方式：** API Key

<Warning>
  使用 [更新状态](/api-reference/endpoints/onetime-products/update-status) 端点更改商品状态（`active`/`inactive`）。此端点仅用于内容更新。
</Warning>

## 请求体

| 字段            | 类型             | 必需 | 说明                                                        |
| ------------- | -------------- | -- | --------------------------------------------------------- |
| `id`          | string         | 是  | 商品 ID（Short ID 格式 `PROD_xxx`）                             |
| `name`        | string         | 否  | 更新后的商品名称（≤ 64 字符）                                         |
| `description` | string \| null | 否  | 更新后的描述（传 `null` 或 `""` 清空）                                |
| `prices`      | object         | 否  | 更新后的多币种定价映射                                               |
| `media`       | array          | 否  | 更新后的媒体项                                                   |
| `successUrl`  | string \| null | 否  | 更新后的跳转 URL（≤ 512 字符，必须为合法 http(s) URL；传 `null` 或 `""` 清空） |
| `metadata`    | object         | 否  | 更新后的自定义元数据                                                |

`prices` 和 `media` 对象格式请参见 [创建商品](/api-reference/endpoints/onetime-products/create-product#price-object-format)。

## 请求示例

<CodeGroup>
  ```typescript SDK theme={"system"}
  const { product } = await client.onetimeProducts.update({
    id: "PROD_3kF9mNpQrStUvWxYz1A2bC",
    name: "Premium Template Pack v2",
    description: "75 premium design templates — expanded collection.",
    prices: {
      USD: { amount: "59.00", taxIncluded: false, taxCategory: TaxCategory.DigitalGoods },
      EUR: { amount: "55.00", taxIncluded: true, taxCategory: TaxCategory.DigitalGoods },
    },
    successUrl: "https://example.com/thank-you",
  });
  ```

  ```typescript TypeScript (fetch) theme={"system"}
  // Uses callApi() helper from authentication.mdx
  const result = await callApi("POST", "/v1/actions/onetime-product/update-product", {
    id: "PROD_3kF9mNpQrStUvWxYz1A2bC",
    name: "Premium Template Pack v2",
    description: "75 premium design templates — expanded collection.",
    prices: {
      USD: { amount: "59.00", taxIncluded: false, taxCategory: "digital_goods" },
      EUR: { amount: "55.00", taxIncluded: true, taxCategory: "digital_goods" },
    },
    successUrl: "https://example.com/thank-you",
  });
  console.log(result.data.product.name); // => "Premium Template Pack v2"
  ```

  ```java Java theme={"system"}
  // Uses callApi() helper from authentication.mdx
  String body = """
      {
        "id": "PROD_3kF9mNpQrStUvWxYz1A2bC",
        "name": "Premium Template Pack v2",
        "description": "75 premium design templates — expanded collection.",
        "prices": {
          "USD": { "amount": "59.00", "taxIncluded": false, "taxCategory": "digital_goods" },
          "EUR": { "amount": "55.00", "taxIncluded": true, "taxCategory": "digital_goods" }
        },
        "successUrl": "https://example.com/thank-you"
      }""";

  String response = callApi("POST", "/v1/actions/onetime-product/update-product", body);
  System.out.println(response);
  ```

  ```python Python theme={"system"}
  # Uses call_api() helper from authentication.mdx
  result = call_api("POST", "/v1/actions/onetime-product/update-product", {
      "id": "PROD_3kF9mNpQrStUvWxYz1A2bC",
      "name": "Premium Template Pack v2",
      "description": "75 premium design templates — expanded collection.",
      "prices": {
          "USD": {"amount": "59.00", "taxIncluded": False, "taxCategory": "digital_goods"},
          "EUR": {"amount": "55.00", "taxIncluded": True, "taxCategory": "digital_goods"},
      },
      "successUrl": "https://example.com/thank-you",
  })
  print(result["data"]["product"]["name"])  # => "Premium Template Pack v2"
  ```

  ```go Go theme={"system"}
  // Uses callAPI() helper from authentication.mdx
  body := map[string]interface{}{
      "id":   "PROD_3kF9mNpQrStUvWxYz1A2bC",
      "name": "Premium Template Pack v2",
      "description": "75 premium design templates — expanded collection.",
      "prices": map[string]interface{}{
          "USD": map[string]interface{}{"amount": "59.00", "taxIncluded": false, "taxCategory": "digital_goods"},
          "EUR": map[string]interface{}{"amount": "55.00", "taxIncluded": true, "taxCategory": "digital_goods"},
      },
      "successUrl": "https://example.com/thank-you",
  }
  result, err := callAPI("POST", "/v1/actions/onetime-product/update-product", body)
  if err != nil {
      log.Fatal(err)
  }
  fmt.Println(string(result))
  ```

  ```rust Rust theme={"system"}
  // Uses call_api() helper from authentication.mdx
  let body = serde_json::json!({
      "id": "PROD_3kF9mNpQrStUvWxYz1A2bC",
      "name": "Premium Template Pack v2",
      "description": "75 premium design templates — expanded collection.",
      "prices": {
          "USD": { "amount": "59.00", "taxIncluded": false, "taxCategory": "digital_goods" },
          "EUR": { "amount": "55.00", "taxIncluded": true, "taxCategory": "digital_goods" }
      },
      "successUrl": "https://example.com/thank-you"
  });
  let result = call_api("POST", "/v1/actions/onetime-product/update-product", &body).await?;
  println!("{}", result);
  ```

  ```c C theme={"system"}
  /* Uses call_api() helper from authentication.mdx */
  const char *body =
      "{\"id\":\"PROD_3kF9mNpQrStUvWxYz1A2bC\","
      "\"name\":\"Premium Template Pack v2\","
      "\"description\":\"75 premium design templates — expanded collection.\","
      "\"prices\":{\"USD\":{\"amount\":\"59.00\",\"taxIncluded\":false,\"taxCategory\":\"digital_goods\"},"
      "\"EUR\":{\"amount\":\"55.00\",\"taxIncluded\":true,\"taxCategory\":\"digital_goods\"}},"
      "\"successUrl\":\"https://example.com/thank-you\"}";
  char *response = call_api("POST", "/v1/actions/onetime-product/update-product", body);
  printf("%s\n", response);
  free(response);
  ```

  ```cpp C++ theme={"system"}
  // Uses callApi() helper from authentication.mdx
  std::string body = R"({
    "id": "PROD_3kF9mNpQrStUvWxYz1A2bC",
    "name": "Premium Template Pack v2",
    "description": "75 premium design templates — expanded collection.",
    "prices": {
      "USD": { "amount": "59.00", "taxIncluded": false, "taxCategory": "digital_goods" },
      "EUR": { "amount": "55.00", "taxIncluded": true, "taxCategory": "digital_goods" }
    },
    "successUrl": "https://example.com/thank-you"
  })";
  std::string response = callApi("POST", "/v1/actions/onetime-product/update-product", body);
  std::cout << response << std::endl;
  ```

  ```bash cURL theme={"system"}
  MERCHANT_ID="MER_2aUyqjCzEIiEcYMKj7TZtw"
  TIMESTAMP=$(date +%s)
  BODY='{
    "id": "PROD_3kF9mNpQrStUvWxYz1A2bC",
    "name": "Premium Template Pack v2",
    "description": "75 premium design templates — expanded collection.",
    "prices": {
      "USD": { "amount": "59.00", "taxIncluded": false, "taxCategory": "digital_goods" },
      "EUR": { "amount": "55.00", "taxIncluded": true, "taxCategory": "digital_goods" }
    },
    "successUrl": "https://example.com/thank-you"
  }'
  BODY_HASH=$(echo -n "$BODY" | openssl dgst -sha256 -binary | base64 -w 0)
  CANONICAL_REQUEST="POST
  /v1/actions/onetime-product/update-product
  $TIMESTAMP
  $BODY_HASH"

  SIGNATURE=$(echo -n "$CANONICAL_REQUEST" | openssl dgst -sha256 -sign private_key.pem | base64 -w 0)

  curl -X POST "https://api.waffo.ai/v1/actions/onetime-product/update-product" \
    -H "Content-Type: application/json" \
    -H "X-Merchant-Id: $MERCHANT_ID" \
    -H "X-Timestamp: $TIMESTAMP" \
    -H "X-Signature: $SIGNATURE" \
    -d "$BODY"
  ```

  ```bash wget theme={"system"}
  MERCHANT_ID="MER_2aUyqjCzEIiEcYMKj7TZtw"
  TIMESTAMP=$(date +%s)
  BODY='{
    "id": "PROD_3kF9mNpQrStUvWxYz1A2bC",
    "name": "Premium Template Pack v2",
    "description": "75 premium design templates — expanded collection.",
    "prices": {
      "USD": { "amount": "59.00", "taxIncluded": false, "taxCategory": "digital_goods" },
      "EUR": { "amount": "55.00", "taxIncluded": true, "taxCategory": "digital_goods" }
    },
    "successUrl": "https://example.com/thank-you"
  }'
  BODY_HASH=$(echo -n "$BODY" | openssl dgst -sha256 -binary | base64 -w 0)
  CANONICAL_REQUEST="POST
  /v1/actions/onetime-product/update-product
  $TIMESTAMP
  $BODY_HASH"

  SIGNATURE=$(echo -n "$CANONICAL_REQUEST" | openssl dgst -sha256 -sign private_key.pem | base64 -w 0)

  wget -qO- "https://api.waffo.ai/v1/actions/onetime-product/update-product" \
    --header="Content-Type: application/json" \
    --header="X-Merchant-Id: $MERCHANT_ID" \
    --header="X-Timestamp: $TIMESTAMP" \
    --header="X-Signature: $SIGNATURE" \
    --post-data="$BODY"
  ```
</CodeGroup>

## 成功响应 (200)

```json theme={"system"}
{
  "data": {
    "product": {
      "id": "PROD_3kF9mNpQrStUvWxYz1A2bC",
      "storeId": "STO_2aUyqjCzEIiEcYMKj7TZtw",
      "name": "Premium Template Pack v2",
      "description": "75 premium design templates — expanded collection.",
      "prices": {
        "USD": { "amount": "59.00", "taxCategory": "digital_goods" },
        "EUR": { "amount": "55.00", "taxCategory": "digital_goods" }
      },
      "media": [],
      "successUrl": "https://example.com/thank-you",
      "metadata": {},
      "status": "active",
      "createdAt": "2026-01-15T10:30:00.000Z",
      "updatedAt": "2026-01-15T11:00:00.000Z"
    }
  }
}
```

## 响应字段

与 [创建商品响应](/api-reference/endpoints/onetime-products/create-product#response-fields) 相同。

<Note>
  商品版本是**不可变的**。现有订单保留其原始版本。新购买始终使用最新版本。如果提交的内容与当前版本一致，则不会创建新版本，返回现有版本。
</Note>

## 错误响应

> **重试策略**：4xx 一律不要重试 — 修正请求后重发。5xx 指数退避重试（起步 5s，最多 3 次）。

| 状态码 | `errors[0].message`                         | 含义                                            | 推荐处理                                                                                        |
| --- | ------------------------------------------- | --------------------------------------------- | ------------------------------------------------------------------------------------------- |
| 400 | `Missing required field: id`                | 未提供 `id`                                      | 修正请求体后重发                                                                                    |
| 400 | `Invalid ID format`                         | 提供的 Short ID 无法解码                             | 修正 `id` 格式后重发                                                                               |
| 400 | `Invalid currency code`                     | 货币代码必须为 3 位大写字母（ISO 4217，如 `USD`、`EUR`、`JPY`） | 使用合法 ISO 4217 代码后重发                                                                         |
| 400 | `Invalid amount`                            | 金额必须为正数字符串（如 `"9.99"`、`"100"`）                | 使用正数字符串后重发                                                                                  |
| 400 | `Product X has no version in environment Y` | 商品在目标环境尚无版本（例如 `prod` 尚未发布即尝试更新）              | 先通过 [Publish Product](/api-reference/endpoints/onetime-products/publish-product) 将商品发布到目标环境 |
| 404 | `Product not found`                         | 商品不存在或不可访问                                    | 验证 `id` 是否属于当前商户                                                                            |
| 500 | `Internal server error`                     | 服务端意外失败                                       | 指数退避重试（起步 5s，最多 3 次）                                                                        |