# Getting familiar with API User Lifecycle
API users can build with free community APIs, collaborate with other developers and learn some API tips and tricks from our OpenAPIHub Community. Visit "API User Journey Overview" for more details. You can also refer to our "API User Starter Mission Tips" below, which provide step-by-step guide on key features for API Users:
- Developer Mission #1 - Subscribe to a Free API on OpenAPIHub
- Developer Mission #2 - Discover your first API subscription record
- Developer Mission #3 - Make an API Call and Check the API Usage
- Developer Mission #4 - Complete Your Developer Profile
- Developer Mission #5 - Create an API Portal & Become an API Provider