Cloudflare Trace

API

Free API to retrieve IP address, location, and request metadata

Overview

Cloudflare Trace API offers a RESTful interface to access comprehensive request metadata. A simple GET request returns JSON-formatted data including client IP address, timestamp, user agent string, country code, IATA airport code, HTTP version, TLS/SSL version, and additional request details. Designed for developers, it supports use cases like debugging client-side request issues, validating geolocation data for app features, or integrating basic IP and connection info into tools without requiring API keys or authentication.

Example Integration (JavaScript)

script.js JS


fetch('https://github.com/fawazahmed0/cloudflare-trace-api')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful interface
JSON response format
No authentication required
Comprehensive request metadata

Frequently Asked Questions

? Is Cloudflare Trace API free to use?

Yes, the API is completely free with no hidden costs or subscription requirements.

? Does it require an API Key?

No, authentication is not needed—you can send a GET request directly to the endpoint without any keys.

? What is the response format?

The API returns data in JSON format, containing fields like IP address, timestamp, user agent, country code, IATA code, and more.

Top Alternatives

Ipify API Search Google

ipapi.co Compare

Cloudflare's official /cdn-cgi/trace endpoint Search Google

Tool Info

Pricing Free

Category Development

Platform Public API

Pros

⊕ Easy to integrate (simple GET endpoint)
⊕ No API key needed
⊕ Free unlimited access
⊕ Open source implementation

Cons

⊖ Potential rate limits for high-volume use
⊖ Limited to request-specific metadata
⊖ No official service level agreement (SLA)