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songwenxie739
Issue with using iOS SDK client

I am getting transaction validation or communication failure today. Downloaded SDK with sample app again, still same issue. It was working yesterday.

Hello, anyone from Firstdata please help. Am i the only one experiencing this problem?


sachinshetty_1_...
Re: Issue with using iOS SDK client

Please use our updated Apple Pay SDK. Thanks.


atulparmar983
Re: Issue with using iOS SDK client

Hi, Are you getting "HMAC validation Failure"  ?