Changelog

Shipped changes, newest first.

Analytics + derived endpoints 2026-04-17

• GET /v1/regime/{sym}/matrix — 3×3 transition probability matrix
• GET /v1/regime/{sym}/durations — per-regime duration distribution
• GET /v1/regime/{sym}/explain — distance-to-transition + streaks
• GET /v1/regime/{sym}/state_at?ts_ms= — regime at arbitrary timestamp
• GET /v1/regime/{sym}/forecast?horizon_bars= — empirical return dist per regime
• GET /v1/sizing/{sym}?target_vol= — vol-target position size helper
• GET /v1/funding/{sym} — Binance perp funding z-score
• POST /v1/feedback + GET /v1/feedback — closed feedback loop
• POST /v1/me/rotate-key + GET /v1/me/events — key rotation + audit
• PUT /v1/presets/custom/{name} — named per-key threshold presets
• Custom vol_window / baseline_window on /regime/{sym}/custom
• 4h and 1d timeframes added
• GET /v1/badge/{sym}.svg — embeddable status badge
• GET /v1/health/deep — DB + poll freshness check

Polish pass 2026-04-17

• Regime timeline ribbon on the landing (7 days, BTCUSDT 15m)
• Fly HA: 2 machines running
• X-Request-ID + X-RateLimit-Limit/Remaining/Reset on every response
• SSRF guard on outbound webhook URLs
• Historical backtest over arbitrary time windows
• OG image, favicon, full security header suite (CSP/HSTS/XFO/etc.)
• SDK 0.3 on PyPI — adds webhook management + lists
• Per-symbol calibration for all 20 symbols, honest F1 table in docs

Infrastructure + billing 2026-04-16

• Cloudflare proxy on api.amaneki.com
• Stripe webhook idempotency + customer dedupe
• Postgres-backed post-checkout key cache
• Email signup form replaces checkout button during build
• Terms / Privacy pages + footer links

Core service 2026-04-15

• 10 symbols (BTC / ETH / SOL / XRP / BNB / DOGE / ADA / AVAX / POL / LINK) × 4 timeframes (now 20 symbols × 6 timeframes)
• Cross-exchange consensus (Binance + Coinbase + Bybit)
• Webhook alerts with HMAC signing
• Correlation + RV-IV gap endpoints
• Prometheus /v1/metrics + Sentry
• GitHub Actions CI (ruff + pytest + deploy-on-tag)