URL Metadata API

Extract title, description, og:image, headings, links, and full metadata from any URL. Built for AI agents.

FREE/api?url=<URL> · same data, rate-limited, tip-jar supported
GET /api?url=https://example.com
{"title":"Example Domain","description":"...","og_image":null,...}

For autonomous AI agents that need metered, no-signup access. USDC settles on Base mainnet directly to wallet.

GET /api/extract?url=https://example.com

Just keywords + title + description. Cheapest route for SEO/metadata agents.

GET /api/keywords?url=https://example.com

Open Graph + Twitter Card tags only. Smallest payload — ideal for link-preview / social-card validators.

GET /api/og?url=https://example.com

robots.txt policy summary — parses Allow/Disallow/Sitemap from any URL. Cheapest tier for SEO crawlers.

GET /api/robots?url=https://example.com

Outbound link enumeration — every <a href> with internal/external split, anchor text, and rel. Built for backlink auditors.

GET /api/links?url=https://example.com

Feed discovery — RSS / Atom / JSON feeds via <link rel=alternate> + path probing (/feed, /rss, /atom.xml, /feed.json).

GET /api/feed?url=https://example.com

URL-to-Markdown — fetches any URL, strips nav/ads/scripts, returns the main article body as clean Markdown. Built for AI agent context windows.

GET /api/markdown?url=https://example.com

Text summary (title + description + first paragraphs).

GET /api/summarize?url=https://example.com

Page outline — every h1/h2/h3 with text and totals by level. Built for outline builders and TOC agents.

GET /api/headings?url=https://example.com

Canonical URL + hreflang alternates + og:url + redirect chain. Tiny payload — ideal for SEO crawlers and dedup agents.

GET /api/canonical?url=https://example.com

HTTP response headers + security audit — every header categorized (caching/CORS/security/content/server) with an A-F security grade for CSP/HSTS/XFO/XCTO/Referrer-Policy. Built for QA and compliance agents.

GET /api/headers?url=https://example.com

HTTP redirect chain analyzer — every hop with status code, Location, and redirect type (permanent/temporary), plus final destination and a domain-change flag for link-safety checks. Built for shortlink/tracking-link agents.

GET /api/redirects?url=https://t.co/example

Domain DNS intelligence — A/AAAA/MX/NS/TXT/CNAME records via Cloudflare DNS-over-HTTPS, plus parsed SPF, DMARC, and common verification strings (Google/Microsoft/Facebook/Atlassian/Apple/DocuSign). Built for security-audit and lead-enrichment agents.

GET /api/dns?domain=example.com

Domain WHOIS via RDAP — registrar, creation/expiration dates, status codes, nameservers, and registrant organization via the ICANN rdap.org proxy. No port-43 WHOIS needed. Built for domain due-diligence and brand-protection agents.

GET /api/whois?domain=example.com

TLS/SSL certificate inspector — issuer, subject, validity, days-until-expiry with critical/expiring_soon/ok classification, SAN list, wildcard detection, TLS version, cipher, key bits, and SHA-256/SHA-1/MD5 fingerprints via a real TLS handshake. Built for security-audit, monitoring, and brand-protection agents.

GET /api/ssl?domain=example.com

HTTP request timing breakdown — DNS/TCP/TLS/TTFB/total ms with a percentage breakdown of where time went, plus status, server, content-type, content-length, and a caching-headers presence flag. Built for performance-monitoring and observability agents.

GET /api/timing?url=https://example.com

Discovery

Pricing + payment requirements are published at /.well-known/x402 for x402-compatible agent clients.

Tip jar

LTC: ltc1qm02l2vlssgtdy7mrrc6kk2de2v3c4c744y7y9l