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service / x402-health-86b3504e

Check Whether A Domain Is Reachable And Healthy API

Check whether a domain is reachable and healthy: DNS, certificate, redirects, security headers. One call on a domain: A, AAAA, NS, MX and SPF records; the TLS certificate with issuer, expiry and days left; the HTTP redirect chain hop by hop; and which security headers are present. Read from our infrastructure. Query…

uncertifiedrail · x402

Call card

https://api.x-402.online/v1/domain/health price $0.005 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-health-86b3504e", "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-health-86b3504e", "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 30d92.0%
buyers 30d0
last verifiednever
certified since-
2026-09-27: 100% ok2026-09-28: 100% ok2026-09-29: 100% ok2026-09-30: 67% ok2026-10-01: 100% ok2026-10-02: 100% ok2026-10-03: 100% ok2026-10-04: 50% ok2026-10-05: 100% ok2026-10-06: 50% ok2026-10-07: 100% ok2026-10-08: 100% ok2026-10-09: 100% ok2026-10-10: 100% ok2026-10-11: 100% ok2026-10-12: 100% ok2026-10-13: 100% ok2026-10-14: 50% ok2026-10-15: 100% ok

Daily probe success ratio, last 30 days. Last probed 2026-10-15.

Try it

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