verifying iOS in app purchase receipt with C#

Question

I am verifying my ios in app purchase receipt on my server using C# web service

I got receipt as string by doing below in Xcode:

Answer 1

This code example was also helpful to me and may help others: For C# developers there is a useful open-source project called APNS-Sharp which includes receipt verification code that works in ASP.NET. In particular, the Receipt.cs and ReceiptVerification.cs files in the Jdsoft.Apple.AppStore directory

Found it from this page about Xamarin: inapp purcasing ios Transactions and Verification