{"status":"ok","service":"perception-api-gateway","version":"2.3.0","endpoints":{"/index":"Perception Index — FREE, no auth. 15-min updates, outlet-weighted, decomposed drivers, velocity (add ?full=true with Bearer token for divergences + regime)","/feed":"Article search and full-text search","/trends":"AI-extracted narrative trends","/intelligence":"Trend intelligence and categories","/sentiment-metrics":"Historical sentiment data","/fear-greed-index":"Bitcoin Fear & Greed Index","/channel-volume":"Volume by outlet/channel","/grouped-data":"Entity recognition and company mentions (POST)"},"auth":"Bearer token required. Get your key at https://app.perception.to/app/settings/integrations","docs":"https://perception.to/api"}