# whatsmyip.fyi

> IP and network toolbox. Shows the requester their public IPv4/IPv6, approximate location, ISP, ASN. Server rendered, no tracking, keyless API.

## For agents

GET https://whatsmyip.fyi/ip -> public IP, text/plain + newline.
GET https://whatsmyip.fyi/json -> JSON, CORS *. ?full=1 adds hostname and privacy flags.
GET https://whatsmyip.fyi/ip.md -> Markdown summary. Docs: https://whatsmyip.fyi/api
Geolocation is approximate (ISP route, never a street).
Kept: per-day network stats only (IPv4 /24, IPv6 /48, network, location, latency). No full addresses or tool inputs. /privacy

## Tools (paths relative to the origin; guides at /guides)

- core: / (What's My IP? Public IPv4 & IPv6, Location, ISP, VPN Check), /ip (Plain-text IP endpoint), /json (JSON IP report), /ip.md (Markdown IP report), /tools (All tools)
- identity: /ipv6-test, /browser-info (Browser and device summary), /http-headers (Request headers)
- privacy: /webrtc-leak-test, /dns-leak-test, /vpn-check, /what-sites-see (What websites see)
- lookup: /ip-lookup, /dns-lookup, /whois-lookup (WHOIS and RDAP), /reverse-dns, /mx-lookup (MX, SPF, DKIM and DMARC), /ssl-checker (TLS certificate decoder), /blacklist-check (DNSBL reputation), /asn (Autonomous system directory)
- diagnostics: /port-check (Port checker), /ping-test (Multi-region ping), /traceroute (Multi-region traceroute), /speed-test, /multi-vantage (Multi-vantage view), /reachability-check
- utilities: /subnet-calculator, /mac-lookup (MAC address lookup), /ip-converter, /user-agent-parser, /email-headers (Email header analyser)
- developer: /api (API documentation), /curl (curl cookbook), /compare/ip-apis (IP API comparison), /status, /widget (Embeddable widget)

## Limits

No key. 60/min and 1000/day per IP on /ip, /json, /ip.md; 200/day on lookup tools. Over: 429 + Retry-After.

## Contact

hello@whatsmyip.fyi for questions, abuse@whatsmyip.fyi for abuse.