Your question is Creating Usable API Documentation. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Walk me through a time when you had to create developer-facing REST API documentation. What did you include to make it usable for engineers, and how did you work with product managers, developers, or QA to validate that the documentation actually helped people integrate successfully?