service / x402-backtest-31940c48
x402stock
Backtests a simple rule on a US stock and returns a finished report PNG. Runs an SMA crossover (?strategy=sma_cross&fast=50&slow=200) or RSI mean-reversion (?strategy=rsi_reversion&period=14&lower=30&upper=70) over daily history (?years=, max 5), no lookahead, rendered as an equity curve vs buy & hold. Returns full stats plus a hosted `artifact.png_url`. From x402stock
uncertifiedrail · x402
Call card
https://agents.x402stock.xyz/api/v1/backtest/:ticker
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-backtest-31940c48", "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-backtest-31940c48", "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.