The NewRelic .NET Sample Code by NewRelic demonstrates how to make calls to the API, allowing developers to track transactions, outbound requests, and database calls. The code available shows initial ..NET agent configuration.
Deciding what metrics matter depends on the overall strategy goals and business model that aligns with your APIs. This is why defining the business model was one of the first steps in your decision series. Now we need to make sure our evaluation framework matches back up to what we set out to do.