WhoisXML API Blog

Introducing VPN & Proxy Detection API: Classify IP Addresses as VPN, proxy, residential proxy, or something else

Introducing VPN & Proxy Detection API: Classify IP Addresses as VPN, proxy, residential proxy, or something else

TL;DR

  • WhoisXML API’s VPN & Proxy Detection API is a new API with daily bulk data files that classifies IPv4 addresses as VPN, proxy, residential proxy, Tor, relay, hosting, or CDN traffic. 
  • One of the things that sets the API apart is residential-proxy detection: we observe residential-proxy exits directly and attribute them to their network, while scan-based methods miss these exits because they have no proxy port to scan.
  • The API is live now, with pricing starting as low as $1/month. Sign up to get an API key within minutes.
WHOIS API: Faster and More Reliable Lookups, Cleaner WHOIS Data, Same API

WHOIS API: Faster and More Reliable Lookups, Cleaner WHOIS Data, Same API

TL;DR

  • The upgraded WHOIS API runs real-time lookups with improved parsing accuracy.
  • It’s now 2x faster than before. 
  • Account rate limits now go up to 200 requests per second, up from 50.
  • Control the cache freshness and choose the protocol used to retrieve domain registration data.
  • Some changes may affect how you integrate.
Disposable Email Domains Database: Improved Detection with 99% Precision

Disposable Email Domains Database: Improved Detection with 99% Precision

TL;DR

  • The Disposable Email Domains Database has been upgraded with a more precise machine learning detection model that reaches 99% tested detection precision.
  • It adds scoring for every domain on a scale from 0 to 100, allowing you to set your own block, verify, and allow thresholds based on the score.
  • It tracks 162,000+ disposable domains and is refreshed daily in CSV and JSON.
New Account Controls: IP Allowlist and Per-Member Usage Monitoring

New Account Controls: IP Allowlist and Per-Member Usage Monitoring

TL;DR

  • You can now restrict API requests and database or data feed downloads to a list of trusted IP addresses, so a leaked or shared key alone is no longer enough for unauthorized users to use your API key.
  • Enterprise account administrators using Parent-Child API keys can see API usage broken down by individual team member or combined for the whole account.
  • Both are available now in your account settings. The IP allowlist is off by default, and your account setup stays the same.
Upgraded Newly Registered Domains feed: up to 2x broader coverage, fuller domain records

Upgraded Newly Registered Domains feed: up to 2x broader coverage, fuller domain records

TL;DR

  • The feed now captures up to 2x more newly added, updated, dropped, and discovered domains each day.
  • Every domain comes with a more complete registration record, because the feed compares its RDAP and WHOIS data and keeps the fullest version.
  • No actions needed on your side: the files and the way you integrate them stay the same.

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