5 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.
Use when an agent wants a one-label check before paying an x402 URL or seller domain: checks_passed, check_first, checks_failed or no_data, with as-of date, evidence window, conclusive test-buy count, last delivered/fail...
Search an index of x402 endpoints and MCP servers across registries. Input: optional source, category, network, price range, q (name or URL text). Returns matching records with price, network and first and last seen. Use...
Batch URL validation for AI agents. Check up to 10 citations, links, websites, or API endpoints in one payment. Returns reachability, exact status, latency, content type, final URL, and safe redirects; partial failures s...
Health verdict / status check: is one MCP server safe to call? Returns safe, caution, unsafe, or unknown.
Upstream: change feed of status changes, deprecations, model retirements and pricing-page edits