Vellium & Co

Directory › Developer tools and utilities › WebberSites x402 Data API

WebberSites x402 Data API

Cheapest liveness ping: ONE request to any public URL — is anything answering, and how fast? Returns up/down, HTTP status, and latency in ms. Any HTTP response below 500 counts as up; redirects are reported, not followed. High-frequency mon

Go to this service →

Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
134 ms
Price
$0.001 per call
Paying buyers, last 30 days
3 (directory's own records)
Paid calls, last 30 days
3
Category
Developer tools and utilities
Address
https://api.webbersites.com/api/ping

Accuracy

Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.

For agents

This page as JSON: /sellers/88291e6f30ed.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).

Sellers can see the evidence behind their checks and ask for a re-check at [email protected].