It’s a prudent business practice to only focus on your core features when getting to a Minimum Viable Product (MVP). Microservices architectures allow you to outsource non-differentiated pieces of your solution to third-party providers; Use someone else for user management, billing, and account management.
At first blush, it might seem attractive to develop your own API analytics solution, perhaps by building on top of a web analytics tool like Amplitude, MixPanel, or Segment. But once you peel back the onion you’ll soon realize that you’ll be unnecessarily crippling your solution through upload limits, de minimis dimensional support, and flawed visualization.