DirFast API v0.4.0

Website & domain diagnostics in one tiny, dependency-free API. Free tier, no signup.

One call, real answers: DNS records · TLS certificate & expiry · security-header audit (A–F) · redirect chain · SEO meta · robots.txt · HTTP status/latency.

Try it

curl "http://pseo.rovy.tech/api/v1/ssl?host=github.com"
curl "http://pseo.rovy.tech/api/v1/security-headers?url=https://example.com"
curl "http://pseo.rovy.tech/api/v1/dns?name=rovy.tech"

Endpoints

Endpoint	What it returns
`/v1/dns?name=`	A/AAAA/MX/TXT/NS/CNAME/SOA + reverse
`/v1/ssl?host=`	Issuer, SAN, expiry, days left, TLS version
`/v1/security-headers?url=`	HSTS/CSP/… presence + A–F score
`/v1/redirects?url=`	Full 301/302 chain + final URL
`/v1/seo?url=`	Title, meta, canonical, robots, h1, og, words
`/v1/robots?url=`	Parsed robots.txt: groups + sitemaps
`/v1/head?url=`	HTTP status, latency, key headers, title
`/v1/ip`	Caller public IP + reverse DNS
`/v1/stats`	Public aggregate usage counters
`/v1/x402.json`	Machine-readable paid offer (x402 discovery)
`/v1/paid/audit?url=`	Paid (x402/USDC): SSL + headers + redirects + DNS + SEO in one call

Anonymous: 30 req/min/IP. Get a free API key for higher limits. See pricing.

Agents: pay per call, no signup. /v1/paid/audit answers HTTP 402 with an x402 challenge and settles in USDC from your wallet — no account, no API key, no invoice. See docs.

Pay per call (x402 / USDC) — implemented and verified against the x402 testnet facilitator; not yet switched on for live settlement. Discovery: /v1/x402.json.