Paypal 的相關連結

[Help]
https://www.paypal.com/helpcenter/main.jsp
https://www.paypal.com/cgi-bin/helpweb?cmd=_help

[繁體Help]
https://www.paypal.com/tw/cgi-bin/helpweb?cmd=_help

[Paypal sandbox login]
https://developer.paypal.com
https://www.sandbox.paypal.com

* use a receivable email to open a "developer account" at https://developer.paypal.com
* log in https://developer.paypal.com to create test accounts
* log in https://www.sandbox.paypal.com using a "test account"


[Paypal buttons]
https://www.paypal.com/cgi-bin/webscr?cmd=_pdn_xclick_techview_outside