{"status":"ok","service":"perception-api-gateway","version":"2.4.0","endpoints":{"/index":"Perception Index — FREE, no auth. Outlet-weighted, decomposed drivers, velocity (add ?full=true with Bearer token for divergences + regime). Three scopes via ?scope=market|bitcoin|ethereum — market and bitcoin are 24h windows on 15-min updates, ethereum is a 7-DAY window updated daily. Every response carries its own window_hours and reliability (0.97 / 0.88 / 0.69); read both before comparing two scopes.","/indices":"Perception proprietary index portfolio. Current headlines are public; components and history require a Bearer API key.","/indices/dominance":"Multi-asset Narrative Dominance. Current ranking is public; protected detail and history require a Bearer API key.","/transparency-index":"Transparency Index — FREE, no auth. Earnings-call directness scores per company with verbatim quotes","/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)","/workflow-runs":"Metadata-only run receipts for configured agent workflows (POST)"},"auth":"Bearer token required. Get your key at https://app.perception.to/app/settings/integrations","docs":"https://perception.to/api"}