SeeMyIP API Documentation

The SeeMyIP API allows you to lookup information for any IP address (IPv4 or IPv6), including ISP, ASN, City, Country, and Latitude/Longitude. It's free for community use with no API key required. Please use responsibly to avoid abuse.

Endpoint

GET /api/lookup.php

Parameters:

• ip (optional): The IP address to lookup. If omitted, uses the caller's IP.

Example Request:

GET https://seemyip.com/api/lookup.php?ip=8.8.8.8

Example Response (JSON):

{
  "isp": "Google LLC",
  "asn": "15169",
  "city": "Mountain View",
  "country": "US",
  "lat": "37.4056",
  "long": "-122.0775"
}

If an invalid IP is provided, returns:

{"error": "Invalid IP address"}

Usage Notes

• Supports both IPv4 and IPv6.
• No rate limits currently, but please limit to 1 request per second to keep it free.
• Data sourced from DB-IP (updated monthly).
• For Lat/Long, values are approximate for privacy.
• CORS enabled for easy client-side use.

Examples

Using curl:

curl "https://seemyip.com/api/lookup.php?ip=8.8.8.8"

Using JavaScript (fetch):

fetch('https://seemyip.com/api/lookup.php?ip=8.8.8.8')
  .then(response => response.json())
  .then(data => console.log(data));