It turns out the error you’re seeing while using PayPal Sandbox are the result of the changes to PayPal Sandbox that went into effect on January 16, 2016.
These were recent security upgrades that PayPal rolled out to PayPal Sandbox and will later roll out to the live PayPal servers. So if your server isn’t updated, it will eventually not allow your server to connect with PayPal for live payments as well.
The support post ‘'WP Error. Code: "http_request_failed", Message: "SSL connect error", Data: ""'’ is closed to new replies.
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