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 1 | # Cloudflare Trace API
 2 | Get IP Address, TimeStamp, User Agent, Country Code, IATA, HTTP Version, TLS/SSL Version & more by Cloudflare
 3 | 
 4 | #### Endpoints:
 5 | https://one.one.one.one/cdn-cgi/trace <br>
 6 | https://1.0.0.1/cdn-cgi/trace <br>
 7 | https://cloudflare-dns.com/cdn-cgi/trace <br>
 8 | https://cloudflare-eth.com/cdn-cgi/trace <br>
 9 | https://workers.dev/cdn-cgi/trace <br>
10 | https://pages.dev/cdn-cgi/trace <br>
11 | https://cloudflare.tv/cdn-cgi/trace <br>
12 | https://icanhazip.com/cdn-cgi/trace <br>
13 | 
14 | #### Return Format:
15 | <pre>
16 | fl=Cloudflare WebServer Instance
17 | h=WebServer <a href="https://en.wikipedia.org/wiki/Hostname">Hostname</a>
18 | ip=IP Address of client
19 | ts=<a href="https://en.wikipedia.org/wiki/Unix_time">Epoch Time</a> in seconds.millis (Similar to `date +%s.%3N` in bash)
20 | visit_scheme=https or http
21 | uag=<a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/User-Agent">User Agent</a>
22 | colo=<a href="https://en.wikipedia.org/wiki/IATA_airport_code">IATA location identifier</a>
23 | sliver=Whether the request is splitted
24 | http=<a href="https://en.wikipedia.org/wiki/Hypertext_Transfer_Protocol">HTTP Version</a>
25 | loc=<a href="https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2">Country Code</a>
26 | tls=<a href="https://en.wikipedia.org/wiki/Transport_Layer_Security">TLS</a> or SSL Version
27 | sni=Whether <a href="https://en.wikipedia.org/wiki/Server_Name_Indication">SNI</a> encrypted or plaintext
28 | warp=Whether client over <a href="https://1.1.1.1/">Cloudflares Wireguard VPN</a>
29 | gateway=Whether client over <a href="https://www.cloudflare.com/teams/gateway/">Cloudflare Gateway</a>
30 | rbi=Whether client over <a href="https://www.cloudflare.com/learning/access-management/what-is-browser-isolation/">Cloudflares Remote Browser Isolation</a>
31 | kex=<a href="https://en.wikipedia.org/wiki/Key_exchange">Key exchange</a> method for TLS
32 | </pre>
33 | 
34 | ## Cloudflare Geolocation API
35 | 
36 | #### Endpoint:
37 | https://speed.cloudflare.com/meta
38 | 
39 | #### Return Format:
40 | ```json
41 | {
42 |   "hostname": "speed.cloudflare.com",
43 |   "clientIp": "69.193.168.152",
44 |   "httpProtocol": "HTTP/1.1",
45 |   "asn": 13254,
46 |   "asOrganization": "My Organisation",
47 |   "colo": "JFK",
48 |   "country": "US",
49 |   "city": "New York City",
50 |   "region": "New York",
51 |   "postalCode": "10001",
52 |   "latitude": "40.730610",
53 |   "longitude": "-73.935242"
54 | }
55 | ```
56 | 
57 | #### Endpoint:
58 | https://speed.cloudflare.com/__down  
59 | 
60 | #### Return Data In Headers:
61 | ```json
62 | {
63 |   "cf-meta-asn": "13254",
64 |   "cf-meta-city": "New York City",
65 |   "cf-meta-colo": "JFK",
66 |   "cf-meta-country": "US",
67 |   "cf-meta-ip": "69.193.168.152",
68 |   "cf-meta-latitude": "40.730610",
69 |   "cf-meta-longitude": "-73.935242",
70 |   "cf-meta-postalcode": "10001",
71 |   "cf-meta-request-time": "1724183717263",
72 |   "cf-meta-timezone": "America/New_York"
73 | }
74 | 
75 | ```
76 | 
77 | #### Other Resources:
78 | [Convert Return Format to JSON](https://stackoverflow.com/a/68304489/2437224)
79 | 
80 | [IATA Full List](https://cdn.jsdelivr.net/gh/fawazahmed0/iata-list@main/iata.json)
81 | 
82 | [IATA Cloudflare List](https://speed.cloudflare.com/locations)
83 | 
84 | #### Other Useful Endpoints by cloudflare:
85 | 
86 | [DNS Over HTTPS API](https://developers.cloudflare.com/1.1.1.1/encryption/dns-over-https/make-api-requests/dns-json)
87 | 


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