Changelog

History of updates and feature changes for ipinfo.im.

📅 2025-09-28

  • Added API lang parameter, supporting zh/en (auto-detect via Accept-Language)
  • Added Changelog page (/zh/changelog, /en/changelog)
  • API docs updated with lang parameter usage and examples

📅 2025-09-21

  • Optimized IP lookup cache mechanism for faster response
  • Fixed layout issues on mobile view
  • Improved request logging to avoid duplicate inserts
  • Added circuit breaker & blacklist mechanism for unstable IP sources

📅 2025-09-10

  • Improved ISP name mapping for higher accuracy in China
  • Enhanced retry logic for API timeouts
  • Homepage stats now display today / monthly / total counts separately

📅 2025-08-30

  • Upgraded GeoIP database for better accuracy on foreign IPs
  • Fixed rare errors triggered by edge-case IP queries
  • Added /healthz endpoint for health checks

📅 2025-08-18

  • Homepage now shows running days and site creation date
  • Improved theme toggle with auto dark/light detection
  • Refined footer structure on mobile view

📅 2025-08-10

  • Redesigned mobile homepage with card-based layout
  • Added client OS & browser info display
  • Enhanced CLI mode (curl, wget, etc.) with plain text IP output

📅 2025-07-25

  • Added /json/<ip> endpoint to query specific IPs in JSON format
  • Improved error handling with user-friendly messages
  • Enhanced SEO with hreflang support for zh/en/x-default

📅 2025-07-17

  • Official launch of ipinfo.im 🎉
  • Added basic endpoints: / and /json
  • Homepage shows my IP, location, ISP and other basic info