github.com/processout/applepay (go): Package applepay abstracts all the Apple Pay flow.  It support features such as RSA-encrypted tokens (used in China), elliptic curve-encrypted token, full signature verification and protection against replay attacks.  Sample usage:  A working example can be found in applepay/app.go. It requires a registered domain and valid certificates to work.
Keywords: apple-pay|applepay|payment-services|payments