You can use a custom object mapper to handle the mapping logic between different systems and data structures, primarily for types that have differing property names.

That actually makes copying the data a bigger problem: You now have data that is guaranteed to be identical taking up twice as much space as necessary. But, in C# 9, you can just create a record and ...

Deserialize single/multiple JSON objects into C# - Issues with single objects. Thread starter sryan2k1; ... If that POST fails I write the data to a log file that has today's date as the name.