Google in-app purchase background programming c#

Job ID: 34336276

Budget: $30 – $250 USD

Important: If you have no experience with in-app purchases on Google, please do not participate in the bidding, it will save you and me time, you can't learn after accepting the task, our task requirements are simple for experienced people, please Don't waste your time studying, we need to do it quickly.

There are two products:
1. Single monthly subscription $3.99/mo
2. Continuous monthly subscription $2.99/mo
You help us:
1. test App : language: kotlin
2. The backend server api interface, it needs to have the following three functions, and uses asp.net c# to write.
a. Create an in-app purchase order based on the app request
b. Verify the order sent back by the app
c. Subscription items: Receive subscription order deduction details from Google.