Q. What is the difference between a Public and Private API Key?
A. API keys are used for identification and authorization to systems and services you might wish to access. Public APIs are widely available and often self-service. Where Private APIs are restricted to an organization, group, or system.
Public API keys: This identifies you to a publicly available API to provide some tracking for your use of the tool.
Private API keys: Identifies and authorizes you to use the private API.