Readability Score x402 REST
Paid readability metrics (cycle 92 gating fix)
0.01 USDC per call
per call
Usdc
1,390 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.
Feed Parser x402 REST
Paid RSS/Atom feed discovery + parse via x402
0.01 USDC per call
per call
Hreflang x402 REST
Paid hreflang + x-default multilingual SEO audit (cycle 92 gating fix)
0.01 USDC per call
per call
Meta Refresh x402 REST
Paid meta-refresh + JS-redirect detector (cycle 92 gating fix)
0 USDC per call
per call
Accessibility Audit x402 REST
Paid WCAG-light accessibility audit (html lang, alt-text coverage, label/aria-label on inputs, ARIA roles, table th scope, button accessible name, tabindex, autocomplete + A-F grade) via x402
0 USDC per call
per call
LLMs Full x402 REST
Paid full llms.txt + llms-full.txt fetcher with parsed section breakdown (H1 title, per-section URL + bullet count) for AI-agent context loading via x402
0 USDC per call
per call
Privacy Signals x402 REST
Paid privacy-signal detection audit — DNT/GPC/AI-opt-out meta tags, JS-side navigator.doNotTrack + globalPrivacyControl + Sec-GPC detection, privacy-policy link check, A-F grade via x402
0 USDC per call
per call
Anchor Text x402 REST
Paid top anchor-text frequencies + internal/external classification + nofollow/sponsored/ugc counts + empty-anchor + generic anchor-text detection, A-F grade via x402
0 USDC per call
per call
Image Inventory x402 REST
Paid <img>/<picture>/<source>/<svg>/<canvas>/<video> inventory with first/third-party classification, lazy-loading adoption, modern format hints, missing-alt audit, A-F grade via x402
0.01 USDC per call
per call
Microdata x402 REST
Paid microdata + RDFa structured data extraction (cycle 92 gating fix)
0.01 USDC per call
per call
Content Freshness x402 REST
Paid content-freshness detector (publish/modified dates from meta/JSON-LD/HTTP headers/time elements, age in days, A-F grade) via x402
0 USDC per call
per call
Structured Data x402 REST
Paid unified structured-data audit — JSON-LD + Microdata + RDFa aggregated into unique schema.org types + parent-class hierarchy + 21 rich-result candidate detection + machine_readability_score 0-100 with A-F grade via x...
0 USDC per call
per call
Email Auth Rollup x402 REST
Paid composite email-auth deliverability score (SPF + DKIM + DMARC + MTA-STS + BIMI rollup, A-F grade, post-Feb-2024 Gmail/Yahoo bulk-sender compliance check) via x402
0 USDC per call
per call
External Resources x402 REST
Paid external-resource inventory (script/stylesheet/font/image/iframe hosts, top domains, 22-family ad/tracker classifier, third-party dependency A-F grade) via x402
0.01 USDC per call
per call
Structured Data Validator x402 REST
Paid Schema.org JSON-LD validator + recommended-properties audit (30-type catalog with required/recommended property checks, type-specific anti-pattern detection, ISO 8601 / ISO 4217 / phone-format checks, weighted requi...
0 USDC per call
per call
Trust Anchors x402 REST
Paid institutional trust-anchor audit (beyond EEAT) — legal entity suffix + regulatory mentions (SEC/FINRA/HIPAA/GDPR/SOC2/etc) + jurisdictional signals + 11 trust seals + copyright + legal pages + trust_anchors_score 0-...
0 USDC per call
per call
Image Alt Text x402 REST
Paid per-image alt-text quality audit — per-img verdicts (missing/decorative/present), length scoring (3-125 chars ideal), 'image of X' redundant-prefix detection, keyword-stuffing detection (>3 comma phrases), ALL-CAPS...
0 USDC per call
per call
Subdomain Enum x402 REST
Paid subdomain enumeration via HackerTarget hostsearch + urlscan fallback — discovered subdomains with IP + total count + dedup + top-subdomain-prefix frequency + takeover-risk heuristics (disposable-cloud/known-vulnerab...
0.01 USDC per call
per call
Openapi Diff x402 REST
Paid OpenAPI 3.x / Swagger spec diff — accepts two URLs (url_a + url_b) or two inline payloads (spec_a + spec_b) as JSON or YAML, reports breaking changes (removed paths, removed operations, type/format changes, enum nar...
0 USDC per call
per call
Cors Policy x402 REST
Paid CORS policy audit — baseline GET captures all Access-Control-* response headers (ACAO/ACAC/ACAM/ACEH/ACMA/ACRPN/ACEP/ACEN), dangerous-combo detection (ACAO=* + ACAC=true, ACAO='null', attacker-origin echo), prefligh...
0 USDC per call
per call
Tracker Classify x402 REST
Paid JavaScript tracker/network fingerprint classifier — scans inline+external+meta+noscript for ~100 analytics/ad-pixel/session-replay/chat/heatmap/a-b-test/social-pixel/consent/tag-manager signatures across 10 categori...
0.01 USDC per call
per call
Cdn Detector x402 REST
Paid CDN-edge fingerprint detector — 24-vendor catalog (Cloudflare/CloudFront/Fastly/Akamai/Vercel/Netlify/Google Cloud CDN/Azure Front Door/StackPath/BunnyCDN/KeyCDN/Cloudflare Workers/F5/WordPress VIP/Rackspace/Edgecas...
0 USDC per call
per call
Rate Limit Policy x402 REST
Paid rate-limit policy inference + adaptive burst probe — parses RFC 9239 RateLimit-* + X-RateLimit-* + X-Rate-Limit-* + Retry-After + vendor-specific headers (GitHub/Shopify/Anthropic/OpenAI) + optional N-request burst...
0.01 USDC per call
per call
DNSSEC Chain x402 REST
Paid DNSSEC chain-of-trust audit via x402
0 USDC per call
per call