我正在按照Paypal的API规范在我的网站上进行Paypal集成.我正在沙箱中测试它,并在发送如下的SetExpressCheckout请求后：

CURRENCYCODE=EUR
&RETURNURL=http%3A%2F%2Fwww.xxxxxxxx
&CANCELURL=http%3A%2F%2Fwww.xxxxxxxx
&PAYMENTACTION=Sale
&L_PAYMENTREQUEST_0_NAME0=T-shirt+ring-spun+attillata%3B+taglia+L%3B+colore+Navy
&L_PAYMENTREQUEST_0_NUMBER0=0LLR7IQ-B0SIE+%28Product+%230LLR7IQ-B0SIE%29
&L_PAYMENTREQUEST_0_DESC0=160+g%2Fm%C2%B2%2C+100+%25+cotone+ring-spun%2C+pre-ristretto%2C+simple+jersey%2C+scollatura+arrotondata%2C+maniche+corte%2C+impunture+sulla+scollatura%2C+sul+bordo+delle+maniche+e+sulla+base%2C+cuciture+laterali.
&L_PAYMENTREQUEST_0_AMT0=1.90
&L_PAYMENTREQUEST_0_QTY0=1
&L_PAYMENTREQUEST_0_NAME1=T-shirt+ring-spun+attillata%3B+taglia+M%3B+colore+Dark+Heather
&L_PAYMENTREQUEST_0_NUMBER1=0LLR7IQ-2KEI1+%28Product+%230LLR7IQ-2KEI1%29
&L_PAYMENTREQUEST_0_DESC1=160+g%2Fm%C2%B2%2C+100+%25+cotone+ring-spun%2C+pre-ristretto%2C+simple+jersey%2C+scollatura+arrotondata%2C+maniche+corte%2C+impunture+sulla+scollatura%2C+sul+bordo+delle+maniche+e+sulla+base%2C+cuciture+laterali.
&L_PAYMENTREQUEST_0_AMT1=1.90
&L_PAYMENTREQUEST_0_QTY1=1
&L_PAYMENTREQUEST_0_NAME2=T-shirt+ring-spun+attillata%3B+taglia+S%3B+colore+White
&L_PAYMENTREQUEST_0_NUMBER2=0LLR7IQ-TFOHI+%28Product+%230LLR7IQ-TFOHI%29
&L_PAYMENTREQUEST_0_DESC2=160+g%2Fm%C2%B2%2C+100+%25+cotone+ring-spun%2C+pre-ristretto%2C+simple+jersey%2C+scollatura+arrotondata%2C+maniche+corte%2C+impunture+sulla+scollatura%2C+sul+bordo+delle+maniche+e+sulla+base%2C+cuciture+laterali.
&L_PAYMENTREQUEST_0_AMT2=1.59
&L_PAYMENTREQUEST_0_QTY2=1
&ITEMAMT=5.39
&TAXAMT=1.08
&SHIPPINGAMT=0.00
&AMT=6.47
&ALLOWNOTE=1
&USER=XXXXXXXX
&PWD=XXXXXXXX
&SIGNATURE=XXXXXXXX
&METHOD=SetExpressCheckout
&VERSION=53.0

我将用户转发到here,这是我在第一次请求时回复的令牌.

问题是,尽管设置了所有价格的成功请求,我有一个空的Paypal评论页面,绝对没有价格.

我错过了什么？

解决方法:

攻击差的API文档！ Paypal肯定很努力,但他们做不到.我打过这个API赢了！