Signal History — full log of every signal fired, with outcomes. Shows internal algo signals and x402 API signals. Pendi

Signal History — full log of every signal fired, with outcomes. Shows internal algo signals and x402 API signals. Pending signals (horizon not yet reached) show actual_return_pct=null. HOW TO CALL: GET /trading/signals/history GET /trading/signals/history?ticker=BTC&source=internal&limit=20 PARAMETERS: ticker — filter to one ticker (optional) limit — max rows (default 50, max 200) source — 'internal' | 'x402' (optional) include_pending — include unresolved signals (default true) PRICING: $0.05 per call.