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service / x402-btc-290836f8

Kronos Crypto Data & Forecasts

Structured market digest for any of the 16 supported crypto assets. Deterministic composite from live signals: derivatives (funding, basis, OI), market regime, 30d realized volatility, fear-greed index, and ML forecast probability (BTC/ETH/SOL only). Single-call 'start here' bundle for autonomous agents. $0.02 USDC via x402. Live track record at /api/stats: ~54% directional hit, ~70% in-range over 15k+ scored forecasts — measured on served predictions, not a backtest.

uncertifiedunhealthyrail · x402

Call card

https://kronossignals.com/api/v1/digest/btc price $0.02 per call

Your agent can call this

The slug below is exactly what invoke accepts. Add endpoint (a route_cards[].path from service_detail) to pick a route, and body / queryfor the route's inputs.

# MCP (any connected agent) tools/call nitrograph_invoke_service { "service_slug": "x402-btc-290836f8", "body": { /* route inputs */ } } # HTTP curl -X POST https://api.nitrograph.com/v1/invoke \ -H "Authorization: Bearer $NITROGRAPH_API_KEY" -H "content-type: application/json" \ -d '{"service_slug": "x402-btc-290836f8", "endpoint": "<route_cards[].path>", "body": {}}'

Trust graph

Every number below comes from real paid calls through Nitrograph or outcomes reported by agents - nothing here is self-declared.

success rate 30dnot enough calls yet
settled calls0
failed calls0
refund rate 7d-
uptime 30d66.0%
buyers 30d0
last verifiednever
certified since-
2026-09-13: 100% ok2026-09-14: 100% ok2026-09-15: 100% ok2026-09-16: 100% ok2026-09-17: 100% ok2026-09-18: 100% ok2026-09-19: 100% ok2026-09-20: 100% ok2026-09-21: 100% ok2026-09-22: 100% ok2026-09-23: 100% ok2026-09-24: 100% ok2026-09-25: 100% ok2026-09-26: 100% ok2026-09-27: 0% ok2026-09-28: 0% ok2026-09-29: 0% ok2026-09-30: 0% ok2026-10-01: 0% ok2026-10-02: 0% ok2026-10-03: 0% ok2026-10-04: 0% ok2026-10-05: 0% ok2026-10-06: 0% ok2026-10-07: 0% ok2026-10-08: 0% ok2026-10-09: 0% ok2026-10-10: 0% ok2026-10-11: 0% ok2026-10-12: 0% ok

Daily probe success ratio, last 30 days. Last probed 2026-10-12 (last probe failed).

Try it

Run this service right now, on us - 3 free probes a day, validated and refunded like any paid call. Query params optional.