M
API Matrix

BigDataCloud API

⭐ Beginner's Pick Geocoding / API Key Intermediate HTTPS
Varies by plan (check documentation)
77 Score
Grade B
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Overview

BigDataCloud offers a fast and highly accurate IP geolocation API that also includes network security checks and a confidence area metric to indicate how precise the location is. It provides a free no-key tier for basic lookups, making it easy to try without signing up. It is a great option when you need both location data and basic threat intelligence in a single call.

💡

Beginner Tip

You can make a basic request without any API key using the client-side endpoint. For server-side use with full detail, sign up for a free key at bigdatacloud.com and add ?apiKey=YOUR_API_KEY.

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

ip The IP address that was queried.
country Object containing countryCode, name, and other country-level details.
city The estimated city name for the IP address location.
confidenceArea Polygon coordinates defining the confidence area of the geolocation estimate.
security Security flags such as isProxy, isVpn, and isTor to help detect suspicious traffic.
network Network details including ASN, ISP name, and organisation.

Implementation Example 

const url = "https://www.bigdatacloud.com/ip-geolocation-apis";
// 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 / invalid API key The key parameter is missing or the provided API key does not match the account.
✓ Sign up at bigdatacloud.com, copy your API key from the dashboard, and pass it as ?key=YOUR_API_KEY.
Quota exceeded error You have exceeded the free tier request limit for the month.
✓ Check your usage in the BigDataCloud dashboard. Upgrade your plan or wait until the monthly quota resets.
Low confidenceArea value The API cannot pinpoint the location precisely, which is normal for VPNs, proxies, or some ISPs.
✓ This is expected behavior. Use the confidenceArea field as a radius indicator and avoid making hard decisions based on city-level data for low-confidence IPs.

Matrix Score Breakdown

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

Partially tested on Apr 5, 2026

Technical Specifications

Auth API Key
HTTPS REQUIRED
CORS UNKNOWN
Category Geocoding
Difficulty Intermediate
Verified: 2026-04-07

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