Overview
IPinfo is a free, no-auth-required IP geolocation and network intelligence API that returns rich data about any IP address including location, organization, ASN, and timezone. The free tier supports up to 50,000 requests per month without an API token, making it one of the best options for getting started with IP lookups. It is widely used in fraud detection, analytics, and content personalization.
Beginner Tip
You can use IPinfo without any API token for up to 50,000 requests per month. For your own IP, simply call https://ipinfo.io/json with no IP address specified.
Measurement Record
What actually happened when we called this API from our own infrastructure. Every value below was recorded by the request, not copied from the provider's documentation.
- Request
- GET https://ipinfo.io/8.8.8.8/json
- Result
- HTTP 200 · application/json · 304 bytes · compressed
- Response time
- 178 ms (median of 3) · fastest 177 ms
- Transport
- TLSv1.3 · TLS_AES_256_GCM_SHA384 · certificate issued by Let's Encrypt
- Browser CORS
- Allowed — Access-Control-Allow-Origin: *
- Recorded
- 2026-08-10
Fields Returned
Top-level fields present in the response we captured, with the type and value we actually received.
| Field | Type | Value received |
|---|---|---|
| ip | string | 8.8.8.8 |
| hostname | string | dns.google |
| city | string | Mountain View |
| region | string | California |
| country | string | US |
| loc | string | 37.4056,-122.0775 |
| org | string | AS15169 Google LLC |
| postal | string | 94043 |
| timezone | string | America/Los_Angeles |
| readme | string (url) | https://ipinfo.io/missingauth |
| anycast | boolean | true |
Captured Response
Captured from a real request to https://ipinfo.io/8.8.8.8/json on 2026-08-10. Long arrays and nested objects are truncated to keep the shape readable.
{
"ip": "8.8.8.8",
"hostname": "dns.google",
"city": "Mountain View",
"region": "California",
"country": "US",
"loc": "37.4056,-122.0775",
"org": "AS15169 Google LLC",
"postal": "94043",
"timezone": "America/Los_Angeles",
"readme": "https://ipinfo.io/missingauth",
"anycast": true
} Field Reference
ip The queried IP address city City associated with the IP address region State or region associated with the IP country Two-letter ISO country code org Organization or ISP that owns the IP, prefixed by ASN (e.g., AS15169 Google LLC) timezone IANA timezone string for the IP location (e.g., America/Chicago) Implementation Example
Calls a real endpoint of this API. Replace any placeholder credentials with your own key.
const url = "https://ipinfo.io/8.8.8.8/json";
const response = await fetch(url);
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
Generated guidance based on this API's documentation, not observed by us. Treat it as a starting point and check against the provider's own error reference.
Measured Score Breakdown
Live HTTP request to the API endpoint
Fully tested on Aug 10, 2026
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