3 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Website uptime and change check: is this URL up right now, and has the page changed? Fetches the URL and returns the HTTP status, Last-Modified and ETag headers, a SHA-256 fingerprint of the content, and whether it chang...
Check a UUID: send a string and get whether it is a valid UUID plus its version and variant. $0.001 USDC per call on Base.
URL uptime and website health check for AI agents. Verify reachability, exact HTTP status, latency, content type, and safe redirect chain before following a link, citing a source, or calling an API. Deterministic, SSRF-s...