Cloudflare Trace API

Get IP Address, TimeStamp, User Agent, Country Code, IATA, HTTP Version, TLS/SSL Version & more by Cloudflare

Endpoints:

https://one.one.one.one/cdn-cgi/trace
https://1.0.0.1/cdn-cgi/trace
https://cloudflare-dns.com/cdn-cgi/trace
https://cloudflare-eth.com/cdn-cgi/trace
https://workers.dev/cdn-cgi/trace
https://pages.dev/cdn-cgi/trace
https://cloudflare.tv/cdn-cgi/trace
https://icanhazip.com/cdn-cgi/trace

Return Format:

fl=Cloudflare WebServer Instance
h=WebServer Hostname
ip=IP Address of client
ts=Epoch Time in seconds.millis (Similar to `date +%s.%3N` in bash)
visit_scheme=https or http
uag=User Agent
colo=IATA location identifier
sliver=Whether the request is splitted
http=HTTP Version
loc=Country Code
tls=TLS or SSL Version
sni=Whether SNI encrypted or plaintext
warp=Whether client over Cloudflares Wireguard VPN
gateway=Whether client over Cloudflare Gateway
rbi=Whether client over Cloudflares Remote Browser Isolation
kex=Key exchange method for TLS

Cloudflare Geolocation API

Endpoint:

https://speed.cloudflare.com/meta

Return Format:

{
  "hostname": "speed.cloudflare.com",
  "clientIp": "69.193.168.152",
  "httpProtocol": "HTTP/1.1",
  "asn": 13254,
  "asOrganization": "My Organisation",
  "colo": "JFK",
  "country": "US",
  "city": "New York City",
  "region": "New York",
  "postalCode": "10001",
  "latitude": "40.730610",
  "longitude": "-73.935242"
}

Endpoint:

https://speed.cloudflare.com/__down

Return Data In Headers:

{
  "cf-meta-asn": "13254",
  "cf-meta-city": "New York City",
  "cf-meta-colo": "JFK",
  "cf-meta-country": "US",
  "cf-meta-ip": "69.193.168.152",
  "cf-meta-latitude": "40.730610",
  "cf-meta-longitude": "-73.935242",
  "cf-meta-postalcode": "10001",
  "cf-meta-request-time": "1724183717263",
  "cf-meta-timezone": "America/New_York"
}

Other Resources:

Convert Return Format to JSON

IATA Full List

IATA Cloudflare List

Other Useful Endpoints by cloudflare:

DNS Over HTTPS API