余额查询接口
<p>余额查询接口</p>
<h2>交易请求地址：<a href="https://paymentbox.mxpay.online/Payment_Dfpay_balance.html"><a href="https://paymentbox.mxpay.online/Payment_Dfpay_balance.html">https://paymentbox.mxpay.online/Payment_Dfpay_balance.html</a></a></h2>
<h5>请求方式</h5>
<ul>
<li>POST</li>
</ul>
<h5>Header：</h5>
<table>
<thead>
<tr>
<th>参数名</th>
<th>必选</th>
<th>类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>Content-Type</td>
<td>是</td>
<td>string</td>
<td>application/x-www-form-urlencoded</td>
</tr>
</tbody>
</table>
<h2>参数定义如下</h2>
<table>
<thead>
<tr>
<th>参数值</th>
<th>参数名</th>
<th>类型</th>
<th>是否必填</th>
<th>是否加入签名</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>mchid</td>
<td>商户号</td>
<td>String</td>
<td>Y</td>
<td>Y</td>
<td>平台分配唯一</td>
</tr>
<tr>
<td>pay_md5sign</td>
<td>签名</td>
<td>String</td>
<td>Y</td>
<td>N</td>
<td>不参与签名，请看[加密规则](<a href="https://www.showdoc.com.cn/mx/9887804118107052">https://www.showdoc.com.cn/mx/9887804118107052</a> "加密规则")</td>
</tr>
</tbody>
</table>
<h5>请求参数签名串:</h5>
<p>mchid=221274714&key=key</p>
<h2>同步返回</h2>
<table>
<thead>
<tr>
<th>参数值</th>
<th>参数名</th>
<th>类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>status</td>
<td>响应状态</td>
<td>String</td>
<td>success：响应成功 error:响应失败</td>
</tr>
</tbody>
</table>
<p>同步响应JSON参数：</p>
<pre><code>{&quot;status&quot;:&quot;success&quot;,&quot;msg&quot;:&quot;\u67e5\u8be2\u6210\u529f&quot;,&quot;balance&quot;:&quot;309.9904&quot;}</code></pre>
<h6>提交的时候会进行验证：</h6>
<p>如果提交的内容不符合规定则提交失败。</p>