API Documentation
TinyUtils provides simple HTTP APIs for URL checks, DNS resolution, redirect tracing, metadata extraction, and backend diagnostics. No authentication required. Free usage is rate-limited.
Base URL
https://tinyutils.dev
Rate limiting
All endpoints share a global rate limit pool. Requests that exceed the limit return HTTP 429 with an error code of RATE_LIMITED (or rate_limited for url-resolve). No API key is required.
Endpoints
URL Check
Check if a URL is reachable, follow redirects, and measure response time.
DNS Lookup
Resolve DNS records for a hostname. Returns A, AAAA, CNAME, MX, TXT, and NS records.
URL Resolve
Trace the full redirect chain of a URL and return every hop, the final destination, and redirect count.
Open Graph
Fetch page metadata and return title, description, canonical URL, Open Graph, and Twitter card tags as clean JSON.
HTTP Headers
Inspect HTTP response headers for any URL. Returns the final URL, status code, and all response headers.
SSL Check
Inspect the TLS certificate for any hostname. Returns subject, issuer, expiry dates, days remaining, and SANs.
Robots Parse
Fetch and parse robots.txt for any site. Returns crawler rules, sitemap references, and user-agent groups as clean JSON.
Sitemap Inspect
Fetch and inspect a sitemap or sitemap index. Returns sitemap entries and URL entries as structured JSON.
IP Lookup
Resolve a domain or IP and return IP and network details including ASN, country, provider, and reverse DNS.
Security Headers
Check common HTTP security headers for any URL. Returns a per-header analysis and a score out of six.