172 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.
Preflight and monitoring for x402/HTTP APIs: free structural audit of any x402 402 challenge (accepts[], scheme, network, asset, amount, payTo), plus paid live probe (/check), headers, TLS, uptime history and a public mo...
DNS propagation check. Check whether a DNS change has propagated: the same record queried at five public resolvers (Cloudflare, Google, AdGuard, AliDNS and DNSPod), each resolver's answers and TTLs, whether they all agre...
Real MCP Streamable HTTP handshake (initialize + tools/list, no tool call): reachability, protocol version, tools, schemas, latency, OAuth metadata.
HTTP health check for any URL - up or down, status code, latency, redirects and server header
Page metadata for any URL - title, description, Open Graph image, author, published date and canonical URL
Xynaptic Stars & Awards v2 — structured events (celebrities, cinema, awards, Nobel Prize, last 3h): importance, lifecycle, entities, multi-source verification, agent-ready actions. Refreshed every 2 hours.
Xynaptic Tech News v2 — structured events (AI/LLM, GPU, quantum computing, last 3h): importance, lifecycle, entities, sectors, multi-source verification, agent-ready actions. Refreshed every 2 hours.
Xynaptic EU News v2 — structured events from Europe (last 3h): importance, lifecycle, entities, geography, sectors, multi-source verification, agent-ready actions. Refreshed every 2 hours.
API/URL health check: up or down, HTTP status, latency, and whether the endpoint is a valid x402 paid endpoint.
Check an x402 endpoint BEFORE paying it. Makes one unpaid request (never sends money), decodes the 402 terms, and verifies: the asset is a real USD stablecoin on that network, the price in USD vs your max_price_usd cap (...
JPYC Service Monitor: weekly change feed for Japan-related JPYC and Web3 services. Each event is dated, typed (added / updated / removed / verified) and tied to an official source URL. Call with changedSince=YYYY-MM-DD s...
Monitor a topic: call with a query (web or news) and a watchId; each call returns only the results you have not seen before (newResults) plus the full list, so polling agents stop re-reading old links and spending tokens...
News search API: Google News results plus Google News RSS, merged and clustered by story, so each row is one story with its best outlet, how many outlets cover it and links to the others. Freshness window in hours (1 h t...
TLS certificate of a domain: whether it is valid, issuer, subject, valid-from and expiry dates, days left, all SAN hostnames, TLS version and cipher. Use for uptime/expiry monitoring or security checks.
Recent additions to the EU consolidated sanctions list (persons and entities designated in the last N days) with program (country or regime), type and date. Keep a compliance screen up to date.
Check DNS propagation of a record across 8 public resolvers worldwide (Google, Cloudflare, Quad9, OpenDNS, AdGuard...): each answer and TTL and whether they all agree. Use after changing DNS.
Inspect one public MCP HTTP endpoint, auto-detect the stateless 2026-07-28 era or fall back to the legacy initialize lifecycle, then normalize tools/list schemas into a deterministic SHA-256 contract fingerprint. Forest...
Base Latest Block: current Base mainnet block number, timestamp, base fee and gas used. $0.001 per call.
Read any RSS or Atom feed (or a website that links one) and get clean JSON items: title, link, date, author, summary text, categories and image, plus feed title and language. Use to monitor blogs, news sites, podcasts or...
Check whether a list of URLs, or every link on a page, works: HTTP status, final URL after redirects and broken links first. Up to 50 URLs per call, checked in parallel.
Deep comparison of two JSON documents: added, removed and changed values with their exact path, optionally ignoring list order. Detect changes in API responses, configs or data snapshots.
Liveness/latency pre-flight for a URL: is it up, HTTP status and class, response latency in ms, whether it redirects (and where), content-type and server.
Fresh operational audit of any public agent or paid API: reachability, latency, HTTP status, x402 challenge, price/network/payTo, OpenAPI, agent card and MCP manifest. Returns a 0-100 score, verdict and issues. Try GET /...
Real-time news search for AI agents. Returns recent news articles (title, link, snippet, published date) as JSON from a multi-engine news metasearch. Pay-per-query in USDC via x402 — no signup, no API key. Use for curren...