问题描述
我在 PayPal 中使用参考交易 API，但不确定在结算时结算协议是否有效.如果结算协议被取消，我想提前知道.
I am using Reference Transaction API in PayPal and not sure whether Billing Agreement is active or not while billing. I would like to know in advance if Billing Agreement is cancelled.
我想知道关于结算协议取消电话的回拨电话.
I am wondering to have callback call on Billing agreement cancel call.
推荐答案
要检查账单协议的状态，您可以使用 BAUpdate API (NVP: METHOD=BillAgreementUpdate).
to check the status of a Billing Agreement you can use the BAUpdate API (NVP: METHOD=BillAgreementUpdate).
通常该 API 用于删除结算协议，但如果您在没有 BillingAgreementStatus 字段的情况下使用它，它会返回结算协议的当前状态，让您知道结算协议是否仍然有效.
Normally this API is used to delete a Billing Agreement, but if you use it without the BillingAgreementStatus field, it returns the current status of Billing Agreement, allowing you to know if a Billing Agreement is still valid or not.
事实上，如果结算协议不再有效，Paypal 将回复错误代码 10201结算协议已取消"
In fact if a Billing Agreement is no longer valid, Paypal will respond with an errorcode 10201 "Billing Agreement was cancelled"
source 参考交易的 API 操作，Angell EYE PayPal NVP CodeIgniter 库 (PHP)
source API Operations for Reference Transactions, Angell EYE PayPal NVP CodeIgniter Library (PHP)
问候
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