Application Programming Interface (API) is a set of subroutine definitions, protocols, and tools for building application software. In general terms, it is a set of clearly defined methods of communication between various software components.
I created a Dotnet api to connect with IRIS database to do some task. "InterSystems.Data.IRISClient.dll" (NativeAPI) is used in dotnet api to connect IRIS. I used following code in dotnet to open and close the IRIS connection.
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