IPinfo

API

Simple IP address lookup API for geolocation and network data

Overview

IPinfo provides RESTful endpoints for IP address lookup, including /{ip} (specific IP) and root / (current user IP). Responses are in JSON format, delivering details like geolocation (city, region, country, coordinates), network info (ISP, ASN), hostname, and organization. Use cases include fraud prevention, content localization, access control, and user analytics. It supports both IPv4 and IPv6, making it versatile for modern apps needing IP-based insights.

Example Integration (JavaScript)

script.js JS


fetch('https://ipinfo.io/developers')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful
JSON support
IPv4/IPv6 compatible
Geolocation & network data

Frequently Asked Questions

? Is IPinfo free to use?

Yes, IPinfo offers a free tier with limited monthly requests; paid plans are available for higher volume and advanced features.

? Does it require an API Key?

Yes, an API key is mandatory for all usage (free and paid) to access the API endpoints.

? What is the response format?

Responses are in JSON format, containing geolocation, network, and hostname details for the queried IP address.

Top Alternatives

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Tool Info

Pricing Freemium

Category Development

Platform Public API

Pros

⊕ Easy to integrate
⊕ Comprehensive data set
⊕ Freemium model
⊕ Fast response times

Cons

⊖ Rate limits on free tier
⊖ Paid tiers for high volume
⊖ No XML support