问题
Does the Paypal REST API have any sort of Fraud Protection? I've run trial transactions in Production mode all day trying to get the REST API calls to detect and refuse a charge when the Security Code is wrong, Address mismatched -- but it charges them all regardless of my fraud filter settings. This is really risky behavior for a production environment.
回答1:
The primary benefit to using the rest api is to take advantage of its vault. Prior to storing a card, you could authorize it, get the fraud filters, and cancel the auth. Yes, this is another scenario with a redundant paypal api call but having fraud detection is critical and i can't imagine charging cards without it.
来源：https://stackoverflow.com/questions/16490579/paypal-rest-api-getting-fraud-protection