ipapi.com

Overview

ipapi.com (an APILayer product) provides IP geolocation and security data. Auth is a free API key (invalid keys return HTTP 200 with "success": false — APILayer style, verified).

Quick Start

Lookup (replace YOUR_KEY):

curl "https://api.ipapi.com/api/8.8.8.8?access_key=YOUR_KEY"

{
  "ip": "8.8.8.8",
  "type": "ipv4",
  "continent_code": "NA",
  "country_code": "US",
  "country_name": "United States",
  "city": "Mountain View",
  "latitude": 37.386,
  "longitude": -122.0838,
  "currency": { "code": "USD" },
  "security": { "is_proxy": false, "is_crawler": false }
}

Authentication

• Register at ipapi.com → free API key (emailed).
• Send it as the access_key query parameter.
• Invalid keys return 200 + "success": false (verified) — check the JSON.

Rate Limits & Notes

• Free tier: 100 requests/month (check the docs) — small; paid plans scale.
• Security data (proxy/VPN detection) included on free tier.
• No https on the free tier (http only) — check the docs.

FAQ

Is ipapi.com free? Free tier: 100 requests/month; more is paid.

Why 200 with success:false? APILayer convention — check the success field (verified).

What’s included? IP geolocation plus proxy/VPN security flags.