Question

我正在实施Recurring Express结帐。创建配置文件的代码正在运行。我现在要做的是传递一个自定义值。

我们可以通过

DoExpressCheckout

和

SetExpressCheckout

使用以下名称

PAYMENTREQUEST_n_CUSTOM

我想对CreateRecurringPaymentsProfile执行相同操作，以便我可以在IPN中访问它。

Answer 1

CRPP不像其他API请求那样包含自定义参数，但它确实包含PROFILEREFERENCE参数，该参数应被视为发票ID。无论你在这里传递什么价值，都会在IPN中以rp_invoice_id返回。

因此，您可以在数据库中保存包含所需相关数据的本地发票记录，然后在CRPP请求的profilereference参数中传递该ID。然后在您的IPN脚本中，从rp_invoice_id中提取此值，然后使用该ID值从数据库中提取有关该发票所需的任何其他详细信息。

以下是包含rp_invoice_id的IPN示例。

Array
(
    [mc_gross] => 6.45
    [period_type] =>  Regular
    [outstanding_balance] => 0.00
    [next_payment_date] => 02:00:00 Feb 12, 2015 PST
    [protection_eligibility] => Eligible
    [payment_cycle] => Monthly
    [address_status] => confirmed
    [tax] => 0.00
    [payer_id] => Q33PGJHM6K38Q
    [address_street] => 375 HWY 21 n
    [payment_date] => 02:12:06 Jan 12, 2015 PST
    [payment_status] => Completed
    [product_name] => USBSwiper Monthly Subscription
    [charset] => windows-1252
    [rp_invoice_id] => 1935
    [recurring_payment_id] => I-FWEAAAAXPVJ
    [address_zip] => 72616
    [first_name] => Tester
    [mc_fee] => 0.44
    [address_country_code] => US
    [address_name] => KARShop
    [notify_version] => 3.8
    [amount_per_cycle] => 6.45
    [payer_status] => verified
    [currency_code] => USD
    [business] => payments@domain.com
    [address_country] => United States
    [address_city] => Berryville
    [verify_sign] => AtjWedapewmudDbf6C3S0..Z.7glAyXhJISOoiYcafN1Zb.VrOX7O8VH
    [payer_email] => tester@gmail.com
    [initial_payment_amount] => 0.00
    [profile_status] => Active
    [amount] => 6.45
    [txn_id] => 5G2211475Y5810638
    [payment_type] => instant
    [payer_business_name] => Testers, LLC
    [last_name] => Testerson
    [address_state] => AR
    [receiver_email] => payments@domain.com
    [payment_fee] => 0.44
    [receiver_id] => M5VRAQYEFCSK6
    [txn_type] => recurring_payment
    [mc_currency] => USD
    [residence_country] => US
    [transaction_subject] => USBSwiper Monthly Subscription
    [payment_gross] => 6.45
    [shipping] => 0.00
    [product_type] => 1
    [time_created] => 14:56:25 Apr 12, 2011 PDT
    [ipn_track_id] => 9318cc3589f1b
)

将CUSTOM变量发送到CreateRecurringPaymentsProfile

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