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我正在使用Django paypalrestsdk for PayPal https://github.com/paypal/PayPal-Python-SDK

我想设置一个月度订阅计划.每个月初,买家将收取100美元的费用.

这是我制作的结算方案代码:

billing_plan = paypalrestsdk.BillingPlan({
    "name": "Monthly Billing Plan",
    "description": "Monthly Plan",
    "merchant_preferences": {
        "auto_bill_amount": "yes",
        "cancel_url": "http://localhost:8000/payment_billing_agreement_cancel",
        "initial_fail_amount_action": "continue",
        "max_fail_attempts": "0",
        "return_url": "http://localhost:8000/payment_billing_agreement_execute",
        "setup_fee": {
            "currency": "USD",
            "value": "100"
        }
    },
    "payment_definitions": [
        {
            "amount": {
                "currency": "USD",
                "value": "100"
            },
            "cycles": "0",
            "frequency": "MONTH",
            "frequency_interval": "1",
            "name": "Monthly Payment",
            "type": "REGULAR"
        }
    ],
    "type": "INFINITE"
})

我不清楚它是在月的第一天还是在月的最后一天收费？我应该进行设置,以便立即收费吗？我的意图是收费是在每个月的第一天完成的.

我在买家的沙箱中看到这个:预先批准的付款USD100这是什么意思,他已经收取100美元或预先批准并在当月的最后一天收费？

基于此,它似乎立即收费.这意味着它应该显示200美元吗？(设置+每月但仅显示100美元) https://developer.paypal.com/docs/classic/paypal-payments-standard/integration-guide/subscription_billing_cycles/

到目前为止我用过这个流程:

create billing plan
activate billing plan
create billing agreement 
execute billing agreement …

当我将PayPal与我的沙盒测试帐户集成时,我通过DoExpressCheckoutPaymentAPI调用或PayPal的新/executeREST调用创建的所有事务都处于待处理状态,我必须手动接受它们,否则我必须等待3-5天.为什么？