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shelf.thirdmade.net Domain Facts Probe
x402
shelf.thirdmade.net Domain Facts Probe is a paid API for AI agents from shelf.thirdmade.net, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Live-checks a domain for reachability, TLS/HTTPS status, and page title in a single GET request.
Price / call$0.001
Success—
StatusUnknown
How this service works
Live-checks a domain: is it up, does it have TLS, what's the title? Quick domain health check for agents evaluating links.
Output
Returns whether the domain is reachable (up/down), whether it has a valid TLS/HTTPS certificate, and the HTML page title of the domain's homepage — giving a snapshot of basic domain health in a single call.
Example use cases
Vetting links before sharing
“Before I send this newsletter out, can you check that shopify.com is actually live, has a valid TLS certificate, and tell me what the page title is?”
Monitoring competitor site availability
“Is competitor.io currently up and responding? Also let me know if they have HTTPS and what their homepage title says.”
Pre-flight check for agent-generated links
“I'm about to hand off these domain references to my pipeline — can you quickly verify that openai.com is reachable, has TLS, and pull its page title so I know it's a real live site?”
Technical details
Endpoint
GEThttps://shelf.thirdmade.net/probe/domain-factsWhen to prefer
Use this endpoint when you need a fast, lightweight real-time check of whether a domain is live, TLS-enabled, and what it presents as its title — without needing full page content or deep crawl. Ideal for agents that must validate URLs before surfacing them to users, for link-vetting pipelines, or for monitoring whether a domain has gone down. Prefer this over a full scrape when you only need reachability and surface-level metadata.
Side effects
- Domain does not resolve (DNS failure) — returns unreachable status
- Domain is down or times out — returns down status with no title
- TLS certificate is invalid or expired — TLS status flagged as failing
- Domain exists but returns non-200 response — may return partial data
- Malformed domain input — likely returns error or empty response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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