Perplexity Policy Guardrails Overview Policy enforcement for Perplexity Sonar API. Since Perplexity performs live web searches, guardrails must address: query content moderation (what users can search for), citation reliability (filtering low-quality sources), cost control (model selection + token limits), and responsible AI usage. Policy Pipeline Prerequisites - Perplexity API configured - Content moderation policy defined - User tier system in place - Redis for quota tracking (optional: in-memory for simple apps) Instructions Step 1: Query Content Moderation Step 2: Model Selection Policy S…