Design issuance and validation of API keys for programmatic access: create keys with scopes, rotate with overlap window, revoke instantly, and rate limit per key. Never store raw keys; store only hashes and show secret once at creation.
DrawCode Practice Problem
Design an API Key Management Service
Interactive Visualizer Workspace
Explore step-by-step interactive animations, memory state tracking, and live multi-language execution in DrawCode.
Launch Interactive Visualizer