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

# 信用卡解冻

> 解冻已冻结的虚拟信用卡，恢复正常使用

## 请求参数

<ParamField query="appid" type="string" required>
  用户标识
</ParamField>

<ParamField query="cardId" type="string">
  信用卡 ID，与 cardNum 二选一
</ParamField>

<ParamField query="cardNum" type="string">
  信用卡卡号，与 cardId 二选一
</ParamField>

<ParamField query="timestamp" type="string" required>
  当前时间戳（毫秒）
</ParamField>

<ParamField body="idempotentKey" type="string" required>
  唯一的交易id
</ParamField>

<ParamField query="sign" type="string" required>
  签名值
</ParamField>

<RequestExample>
  ```bash cURL theme={null}
  curl --location --request PUT 'https://kf.pikabao.cc/agent/v1/cards/enable?appid=user123&cardId=111222333&timestamp=1640995200000&sign=ABC123...'
  ```

  ```javascript JavaScript theme={null}
  const params = {
    appid: "user123",
    cardId: "111222333",
    timestamp: Date.now().toString(),
  };

  const sign = generateSign(params, secretKey);

  const response = await fetch(
    `https://kf.pikabao.cc/agent/v1/cards/enable?${new URLSearchParams({...params, sign})}`,
    { method: "PUT" }
  );
  const result = await response.json();
  ```
</RequestExample>

<ResponseExample>
  ```json 成功响应 theme={null}
  {
    "code": 0,
    "msg": "成功"
  }
  ```
</ResponseExample>

<Tip>
  解冻后卡片立即恢复使用，可以正常进行交易
</Tip>