STAGINGThis is a preview of nitrograph.com. Actions here hit the production API.
service / x402-fleet-check-e5bfb6e5

stall-row

Fleet Check — one health sweep of your whole x402 fleet: name resource URLs and/or origins (expanded from their own /.well-known/x402) and get a per-route table — alive, status, whether the 402 challenge decodes, each accept's network/asset/payTo/amount, an OK / DEGRADED / DOWN verdict naming the defect, and a grade per origin. Probes are unpaid only — this route never pays any route it checks. Use this when you run more than one x402 stall and want one honest answer about all of them.

uncertifiedunhealthyrail · x402

Call card

https://stall-row-production.up.railway.app/v1/fleet-check price $0.1 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-fleet-check-e5bfb6e5", "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-fleet-check-e5bfb6e5", "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 30d0.0%
buyers 30d0
last verifiednever
certified since-
2026-10-30: 0% ok2026-10-31: 0% ok2026-11-01: 0% ok2026-11-02: 0% ok2026-11-03: 0% ok

Daily probe success ratio, last 30 days. Last probed 2026-11-03 (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.