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Question:

How many Merchant QR code can I generate with one pair of PMS at most?

Answer:

Two Merchant QR code at most.

For one PMS, you can use it to generate 2 merchant QR code at most, one can change service fee, and other doesn't charge service fee. You can generate them by passing filed channel_fee or not.

问题

相同的一组PMS（partner+secondary_merchant_id+store_id）最多可以创建几个店铺码（Merchant QR Code）？

解答：

2个。

对于同一组PMS，最多可以创建两个商户店铺码，其中一个可以收取服务费，而另一个则不收取，通过传手续费参数（channel_fee）来区别。

如果在创建两个商户QR码后再次调用此接口，则会返回现有商户店铺码的数据。