service / x402-state-change-ledger-ba882188
State Change Ledger API
Historical Bitcoin BTC-USD market-regime and state-transition dataset in CSV for quantitative backtesting, strategy research, model evaluation, audit trails, and autonomous-agent decision traceability. Includes timestamps, price at signal, market state, phase, coherence, commitment, directional pressure, signal labels, readiness, and transition reason. Experimental analytics only; not financial advice.
uncertifiedrail · x402
Call card
https://observer.137-184-67-179.sslip.io/paid/state-change-ledger
price $0.05 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-state-change-ledger-ba882188", "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-state-change-ledger-ba882188", "endpoint": "<route_cards[].path>", "body": {}}'
Reliability
uptime 30d-
refund rate 7d-
settled calls0
failed calls0
certified since-
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.