service / x402-btc-f2534e6d
Kronos Crypto Data & Forecasts
Options-implied probability that BTC or ETH is above each given price at a target time, from the Deribit option book (skew-inclusive call-spread digitals): the options market's fair value for Kalshi/Polymarket crypto threshold contracts, not a forecast. Query: strikes=85000,90000 (up to 25), at=ISO time or Unix. $0.02 USDC via x402.
uncertifiedrail · x402
Call card
https://kronossignals.com/api/v1/implied-prob/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-f2534e6d", "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-f2534e6d", "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 30d12.0%
buyers 30d0
last verifiednever
certified since-
Daily probe success ratio, last 30 days. Last probed 2026-10-20.
Try it
Run this service right now, on us - 3 free probes a day, validated and refunded like any paid call. Query params optional.