1,089 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.
A2A, MCP & HTTP 402 Endpoint SLA Compliance Auditor (/v1/x402-audit) — Audits any remote agent or MCP URL for JSON-RPC compliance, latency SLA, OpenAPI schema, and HTTP 402 settlement headers.
Is this URL alive? Real fetch with redirect chain, TLS, latency and body hash, returned as signed evidence.
Email address check for AI agents (signups, outreach, fraud screening): RFC syntax, disposable / role / free-provider detection, MX and null-MX, SPF/DMARC of the domain, domain age via RDAP, parking, verdict (valid | ris...
DKIM public key for selector "namecheap" of a domain: looks up namecheap._domainkey.<domain> (TXT, Cloudflare DoH) and parses v=, k=, key type, public-key length, testing flag and whether the key is revoked (empty p=). C...
Validate and classify an email DOMAIN from public DNS: MX hosts + mail-provider, SPF and DMARC policy, plus disposable / free-webmail / role-account flags and a deliverability signal. No SMTP probing of individual mailbo...
Fusion anti-abuse risk score for an email and/or IP in one call. Combines domain-level email intelligence (MX, SPF, DMARC, disposable, free, role) with IP reputation into a deterministic 0-100 score with per-dimension re...
Look up the known breaches an email address appears in, returning breach METADATA only (name, date, data classes) and never passwords or leaked personal data. Uses the keyed Have I Been Pwned account API; when no API key...
DNS and email-authentication audit for one domain: A/AAAA presence, NS count and whether the nameservers share a /24, MX (including a null MX), SPF (missing, multiple, +all, ~all, ?all), DMARC (missing, p=none, no rua, p...
AI-agent readiness audit, $0.001 USDC per call: How ready is a website for AI agents? Live checks of /llms.txt, robots.txt rules for 12 AI crawlers (GPTBot, ClaudeBot, PerplexityBot, Google-Extended, CCBot…), sitemap.xml...
DNS and email-authentication audit for one domain: A/AAAA presence, NS count and whether the nameservers share a /24, MX (including a null MX), SPF (missing, multiple, +all, ~all, ?all), DMARC (missing, p=none, no rua, p...
Paid DKIM (RFC 6376) selector lookup
Paid email + contact + social extraction via x402
composed email trust report from MX, SPF and DMARC DNS records for outreach, onboarding and anti-spoofing agents.
Email provider detection for an address or domain: consumer webmail (Gmail, Outlook.com, Yahoo, iCloud, Proton...) versus business hosting (Google Workspace, Microsoft 365, Zoho, Proofpoint...) from the domain and its MX...
DMARC p= tag for a domain: policy for the domain (none, quarantine, reject). Reads _dmarc.<domain> (Cloudflare DoH), parses the record and returns the p value (or that it is absent, with the default that then applies) pl...
Paid buyer-side cost projection (cycle 187, x402 $0.001) - given a buyer's projected call volume and category mix, returns a monthly USDC spend estimate at THIS seller's catalog plus bundle-recommendation cost-reduction...
Paid x402 cart cost-quote (cycle 185, x402 $0.001) - GET with no params returns the FULL live price list of every paid route grouped into price tiers plus api_base + payTo + network + asset, so an agent can plan a workfl...
Paid deep SPF record parser + DNS-lookup budget auditor (cycle 160 restored 2026-10-17, x402 $0.001) - parses v=spf1 into its directive list, classifies each mechanism per RFC 7208 SS5 (pass/fail/softfail/neutral/literal...
Paid DKIM key-rotation freshness audit (cycle 157, x402 $0.001) - probes 25 common DKIM selectors in parallel via DoH, parses per-selector v/k/p/h/s/t/n tags, computes SHA-256 fingerprint of each public key, and scores r...
Paid SMTP open-relay test (cycle 154) - actually attempts MAIL FROM + RCPT TO against each MX host. Resolves MX via Cloudflare DoH, opens TCP/25, sends EHLO + MAIL FROM:<external> + RCPT TO for both local-domain and fore...
Paid heuristic email spam score for AI-agent triage (cycle 123, x402 $0.001) - accepts POST text/plain raw email source (RFC822 headers+body) or GET ?header=<url-encoded> or GET ?url=<.eml URL>; parses headers+body and c...
Paid deep DMARC policy forensic analyzer (cycle 110) — fetches _dmarc.<domain> TXT via Cloudflare DoH and parses ALL DMARC tags (p, sp, pct, rua, ruf, adkim, aspf, rf, ri, fo) per RFC 7489. Returns policy_strength (none/...
Paid brand-impersonation risk synthesis (cycle 106) — aggregates 8 signals (domain age via crt.sh, BIMI RFC 8848 record, RFC 9116 security.txt, llms.txt presence, /.well-known/x402 honest declaration, https→http redirect...
Paid BIMI (Brand Indicators for Message Identification) + VMC (Verified Mark Certificate) validator (cycle 105) — probes default._bimi.<domain> TXT per RFC 8848; parses v=BIMI1; l=<SVG URL>; a=<VMC URL>; s=<selector>; HE...