What should you do?

You have a single back end that needs to be exposed to customers using different API request and response payloads You need to allow these different request types without breaking existing implementations.

What should you do?
A . Create a new API proxy for new customers and invoke backend target system with required parameters.
B . Configure the API as a pass-through proxy and invoke backend target system with client request parameters.
C . Create a new proxy xml and base path with upgraded version and invoke backend target system with required parameters
D . Include a new customer requirement in an existing API proxy and invoke backend target system with required parameters.

Answer: C