{"service":"agent-trading","changelog":[{"version":"3.2.0","date":"2026-02-26","changes":["Added GET /v1/trade/portfolio: full portfolio snapshot with unrealized PnL, exposure by direction, utilization %","Added GET /openapi.json with full OpenAPI 3.0 spec (16+ paths)","Added global error handler and 404 handler","Fixed leverage validation: must be >= 1"]},{"version":"3.1.0","date":"2026-02-25","changes":["Added market signals (GET /v1/signals): AI-generated trade signals with confidence scores","Added copy trading (GET /v1/copy/leaders, POST /v1/copy/follow/:agentId)","Added 3-level referral commission chain","Sliding window rate limiting"]},{"version":"3.0.0","date":"2026-02-22","changes":["Launched perpetuals trading via Hyperliquid (275+ markets)","Real order execution: market, limit, take-profit, stop-loss","Position management: reduce, close, list open positions","Trade history and realized PnL tracking"]}],"_info":{"service":"agent-trading","docs":"https://trading.purpleflea.com/llms.txt","referral":"GET /v1/gossip for passive income info","version":"3.0.0"}}