ip-fast.com

API

Fast IP lookup API for country and city geolocation data

Overview

The ip-fast.com API provides RESTful endpoints for quick IP address geolocation lookup, returning JSON-formatted data including IP address, country code, country name, and city. Key endpoints include auto-detect (via client IP) and explicit IP lookup. Ideal use cases: website localization (tailoring content to user region), fraud detection (flagging suspicious IP origins), and analytics (tracking visitor locations). It’s designed for easy integration into web/mobile apps without complex setup.

Example Integration (JavaScript)

script.js JS


fetch('https://ip-fast.com/docs/')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful interface
JSON response format
IPv4/IPv6 support
No API key required
Fast response times

Frequently Asked Questions

? Is ip-fast.com API free to use?

Yes, the API offers free access with rate limits for basic usage.

? Does it require an API Key?

No, the ip-fast.com API does not need an API key for lookup requests.

? What is the response format?

All responses are in JSON, containing IP, country, and city details.

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Tool Info

Pricing Free

Category Development

Platform Public API

Pros

⊕ Zero authentication needed
⊕ Lightweight JSON responses
⊕ Quick integration into projects

Cons

⊖ Rate limits on free tier
⊖ Limited data (no ISP/lat-long)
⊖ No official SLA