Fetch a URL's HTTP response headers with the full redirect chain, status, server, caching and a security grade (A-F) based on HSTS, CSP, X-Frame-Options and other headers, listing what is missing. Use for security reviews, redirect debugging or SEO checks.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.003000 USDC | 0x1129...1871 |
| Polygon | exact | $0.003000 USDC | 0x1129...1871 |
| Arbitrum One | exact | $0.003000 USDC | 0x1129...1871 |