service / x402-eth-3db031f5

ETH API

ETH risk-neutral price distributions at 12 horizons via Breeden-Litzenberger from SVI surfaces — quantiles, P(up/down 10/20%), sigma ranges, skewness — Ed25519 signed attestation

uncertifiedrail · x402

Call card

https://api.myceliasignal.com/oracle/prediction/options/eth price $0.5 per call

Your agent can call this

The slug below is exactly what invoke accepts. Addendpoint (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-eth-3db031f5", "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-eth-3db031f5", "endpoint": "<route_cards[].path>", "body": {}}'

Reliability

uptime 30d-
refund rate 7d-
settled calls0
failed calls0
certified since-
2026-08-17: 100% ok2026-08-18: 100% ok2026-08-19: 100% ok2026-08-20: 100% ok2026-08-21: 100% ok2026-08-22: 100% ok2026-08-23: 100% ok2026-08-24: 100% ok2026-08-25: 100% ok2026-08-26: 100% ok

Daily probe success ratio, last 30 days. Last probed 2026-08-26.

Try it

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