授权净ARB增加认购金额
我在我的应用程序中使用授权网络 ARB 订阅 api，根据用户选择的产品向他们收取每月的费用。如果用户决定升级其产品，订阅金额也会增加。我想实现这一点，而不必再次询问用户他的信用卡详细信息。我可以增加ARB认购金额吗？如果是，增加的金额有限制吗？（我知道在PayPal，可以增加认购金额，上限为25%）
I am using authorize net ARB subscription api in my application to charge some monthly amount from my users based on the product they select. If a user decides to upgrade his product, the subscription amount will also increase. I want to implement this without having to ask the user for his credit card details again. Can I increase the amount of the ARB subscription? If yes, is there any limit on the increased amount ?(I know that in PayPal, you can increase the subscription amount with an upper limit of 25%)
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如果您没有用户的卡信息，则无法更改 ARB 中的金额。如果不再询问用户的卡信息对您来说很重要，那么您应该使用 CIM API 它允许您通过 Authorize.Net 存储信用卡信息，然后使用该存储的信息进行付款。唯一的问题是您需要构建自己的定期计费引擎，因为 CIM 无法处理该引擎。
If you do not have the user's card information you cannot change the amount in ARB. If not asking the user for their card information again is important to you then you should use the CIM API which allows you to store credit card information through Authorize.Net and then make payments using that stored information. The only catch is you would need to build your own recurring billing engine as CIM does not handle that.