商户关单 
还款单支付订单只能使用此还款单关单api完成关单。还款单支付关单接口不支持关闭部分还款单, 关单的还款单订单号、还款单发起商户号、还款明细单个数、还款明细单订单号、子商户号必须与下单时完全一致。
| 请求参数 | 类型 | 描述 | 
|---|---|---|
| combine_out_trade_no | string | 还款单订单号 | 
| json | object | 声明请求的JSON数据结构 | 
| sub_orders | object[] | 还款明细单信息列表 | 
| mchid | string | 还款单发起商户号 | 
| out_trade_no | string | 还款明细单订单号 | 
| sub_mchid | string | 二级商户号 | 
php
$instance->v3->repayment->combineTransactions->partner->outTradeNo->_combine_out_trade_no_->close->postAsync([
  'combine_out_trade_no' => '1217752501201407033233368018',
  'json' => [
    'sub_orders' => [[
      'mchid'        => '1900000109',
      'out_trade_no' => '20150806125346',
      'sub_mchid'    => '1900000109',
    ],],
  ],
])
->then(static function(\Psr\Http\Message\ResponseInterface $response) {
  print_r($response->getStatusCode() === 204);
})
->wait();php
$instance->chain('v3/repayment/combine-transactions/partner/out-trade-no/{combine_out_trade_no}/close')->postAsync([
  'combine_out_trade_no' => '1217752501201407033233368018',
  'json' => [
    'sub_orders' => [[
      'mchid'        => '1900000109',
      'out_trade_no' => '20150806125346',
      'sub_mchid'    => '1900000109',
    ],],
  ],
])
->then(static function(\Psr\Http\Message\ResponseInterface $response) {
  print_r($response->getStatusCode() === 204);
})
->wait();php
$instance['v3/repayment/combine-transactions/partner/out-trade-no/{combine_out_trade_no}/close']->postAsync([
  'combine_out_trade_no' => '1217752501201407033233368018',
  'json' => [
    'sub_orders' => [[
      'mchid'        => '1900000109',
      'out_trade_no' => '20150806125346',
      'sub_mchid'    => '1900000109',
    ],],
  ],
])
->then(static function(\Psr\Http\Message\ResponseInterface $response) {
  print_r($response->getStatusCode() === 204);
})
->wait();php
$response = $instance->v3->repayment->combineTransactions->partner->outTradeNo->_combine_out_trade_no_->close->post([
  'combine_out_trade_no' => '1217752501201407033233368018',
  'json' => [
    'sub_orders' => [[
      'mchid'        => '1900000109',
      'out_trade_no' => '20150806125346',
      'sub_mchid'    => '1900000109',
    ],],
  ],
]);
print_r($response->getStatusCode() === 204);php
$response = $instance->chain('v3/repayment/combine-transactions/partner/out-trade-no/{combine_out_trade_no}/close')->post([
  'combine_out_trade_no' => '1217752501201407033233368018',
  'json' => [
    'sub_orders' => [[
      'mchid'        => '1900000109',
      'out_trade_no' => '20150806125346',
      'sub_mchid'    => '1900000109',
    ],],
  ],
]);
print_r($response->getStatusCode() === 204);php
$response = $instance['v3/repayment/combine-transactions/partner/out-trade-no/{combine_out_trade_no}/close']->post([
  'combine_out_trade_no' => '1217752501201407033233368018',
  'json' => [
    'sub_orders' => [[
      'mchid'        => '1900000109',
      'out_trade_no' => '20150806125346',
      'sub_mchid'    => '1900000109',
    ],],
  ],
]);
print_r($response->getStatusCode() === 204);| 返回字典 | 类型 | 描述 | 
|---|---|---|
| 空字符串(无返回内容) | ||
参阅 官方文档