v1.1.0 — Trading Signals, Live Demo Dashboard, API Playground

What's New

3 New Paid API Endpoints

• Kimchi Premium History (/api/premium/arbitrage/kimchi/history, $0.05) — Hourly snapshots up to 7 days. Data accumulates over time = competitive moat.
• Bithumb Volume Analysis (/api/premium/bithumb/volume-analysis, $0.03) — 24h volume distribution, top 5 concentration, unusual volume detection.
• Upbit Trading Signals (/api/premium/market/upbit/signals, $0.05) — Momentum, volatility, volume signals with confidence levels for 6 markets.

Live Demo Dashboard

• https://live.crossfin.dev — Real-time monitoring dashboard
• Auto-refreshing kimchi premium, gateway metrics, service health (15s interval)
• Dark trading-terminal aesthetic

API Playground

• Interactive endpoint tester on crossfin.dev
• Select any free endpoint → Send → See JSON response with syntax highlighting

Infrastructure

• D1 migration: kimchi_snapshots table for historical data
• Cron endpoint for automated data collection
• Registry: 116 services (13 CrossFin + 103 external)
• 13 paid endpoints total (was 10)

Links

• Dashboard: https://crossfin.dev
• Live Demo: https://live.crossfin.dev
• OpenAPI: https://crossfin.dev/api/openapi.json

Built by a non-developer with AI (Claude) in 2.5 weeks.