Cloudflare Trace API

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

Endpoint:

https://1.1.1.1/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
kex=Key exchange method for TLS

Other Resources:

Convert Return Format to JSON

Other Useful Endpoints by cloudflare:

Httpbin(with http/3 support)

DNS Over HTTPS API