API Documentation
Integrate real-time URL threat detection with the URLert API. Our endpoints offer a simple, fast, and reliable solution for detecting phishing, malware, and other online threats. Get your API key and review the endpoint documentation to get started.
Quick Start
Authentication
All API requests require authentication using your API token. Include your token in the Authorization header with
the Bearer scheme.
Authorization: Bearer u_sk_your_api_token_hereChoose Your API
URLert offers two APIs designed for different use cases. Choose the one that fits your needs, or use both together for comprehensive protection.
Fast, synchronous domain-level security checks
- • Analyzes domain patterns and DNS records
- • No content scraping or screenshots
- • Perfect for high-volume screening
Deep, asynchronous AI-powered threat analysis
- • Multi-agent AI analysis
- • Content scraping and visual analysis
- • Perfect for investigating suspicious URLs
Next Steps
Compare APIs
See a detailed comparison of both APIs to choose the right one for your use case.
Rate Limiting
Learn about rate limits, headers, and best practices for handling 429 errors.
Error Codes
Reference guide for all API error codes and how to handle them.