Cyren URL Lookup API
Protect against advanced phishing attacks
{ "urls": [ { "url": "cnn.com", "categoryNames": [ "News" ] }, { "url": "wordpress.com", "categoryNames": [ "Personal Sites", "Computers & Technology" ] }, { "url": "dropbox.com", "categoryNames": [ "Personal Storage" ] }, { "url": "mypillsvalue.ru", "categoryNames": [ "Spam Sites" ] }, { "url": "my.yorku.ca", "categoryNames": [ "Education" ] } ] }
Example URL Lookup API response
The Cyren URL classification cloud processes over 1 billion URLs each day by analyzing web and email traffic on a global scale. Cyren categorizes URLs into 84 categories, including 13 security categories for web threats like phishing and malware.
- Combines machine learning, heuristics, and human analysis to provide real-time visibility with low false positives
- Proven accuracy and coverage – used by Google, Microsoft, and others
- Cost-effective implementation options – cloud API or high performance SDK
Cyren protects 1.3 billion users against emerging threats














The Cyren URL Lookup API is the fastest way to start categorizing the web. Choose the best edition for your needs and get started today!
Free Edition
Great for evaluation and research
$0
- 1,000 queries per month
- 10 requests per second rate limit
- General categories
- Security categories
- Must reactivate access every 30 days
- Bulk API requests
Security Edition
Identify web-based threats
$1500/Month
- 30,000 queries per day
- 50 requests per second rate limit
- General categories
- Security categories
- Annual subscription
- Bulk API requests
Complete Edition
All available URL categories
$2100/Month
- 30,000 queries per day
- 50 requests per second rate limit
- General categories
- Security categories
- Annual subscription
- Bulk API requests
App
Read the API documentation>