M
API Matrix

keycdn IP Location Finder API

⭐ Beginner's Pick Geocoding / API Key Intermediate HTTPS
Varies by plan (check documentation)
37 Score
Grade F
Visit Official Site Compare Alternatives

Overview

keycdn IP Location Finder is a lightweight REST API that returns geolocation details for any IP address in JSON format. It is designed for simplicity and speed, returning key fields like country, city, and coordinates with a single request. A free tier is available, making it easy to integrate into small projects.

💡

Beginner Tip

Append your IP address as the host query parameter to the endpoint. Use ?host=8.8.8.8 for testing and you will see a full JSON response without needing to parse complex nested objects.

Available Data

IP address details
latitude and longitude
city and country
timezone
ISP information
IP address information

Example Response

JSON Response 
{
  "ip": "203.0.113.42",
  "city": "San Francisco",
  "region": "California",
  "country_code": "US",
  "latitude": 37.7749,
  "longitude": -122.4194,
  "timezone": "America/Los_Angeles",
  "isp": "Example ISP"
}

Field Reference

data.geo.ip The resolved IP address of the queried host.
data.geo.country_name Full country name for the IP location.
data.geo.city City associated with the IP address.
data.geo.latitude Latitude coordinate of the IP location.
data.geo.longitude Longitude coordinate of the IP location.
data.geo.timezone IANA time zone string for the location, e.g. America/New_York.

Implementation Example 

const url = "https://tools.keycdn.com/geo";
// Replace headers or query params with the values required by this API.
const response = await fetch(url, {
  headers: {
  "X-API-Key": "YOUR_API_KEY"
  }
});
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data);

What Can You Build?

Note: These code examples are AI-generated and unverified. Always refer to the official API documentation for accurate usage.

Common Errors & Troubleshooting

401 Unauthorized The User-Agent header with keycdn-tools: prefix is missing.
✓ Set the User-Agent header to keycdn-tools:YOUR_API_KEY (replace with your actual key).
Invalid host value The host parameter is a private IP or a malformed address.
✓ Use a valid public IP address or domain name in the host parameter.
Unexpected Content-Type You called the HTML endpoint instead of the JSON endpoint.
✓ Append .json to the URL: https://tools.keycdn.com/geo.json?host=...

Matrix Score Breakdown

🌐 Reachability 0/30
⚡ Speed 10/20
🔒 Security 15/15
🛠 Developer XP 12/20
✓ Reliability 0/15

Partially tested on Apr 5, 2026

Technical Specifications

Auth API Key
HTTPS REQUIRED
CORS UNKNOWN
Category Geocoding
Difficulty Intermediate
Verified: 2026-04-04

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