AlienVault Open Threat Exchange (OTX)
APIFree threat intelligence API for IP, domain, and URL reputation data
Overview
The AlienVault OTX API is a RESTful service providing JSON-formatted threat intelligence for IP addresses, domains, and URLs. Key endpoints include /api/v1/indicators/ip/{ip}/general (IP reputation), /domain/{domain}/general (domain context), and /url/{url}/general (URL analysis). It delivers community-curated data like malware associations, attack patterns, and sighting timelines. Use cases include integrating into SIEM tools for threat detection, automating malicious indicator checks in firewalls, and enriching incident response workflows with real-time threat context.
Example Integration (JavaScript)
fetch('https://otx.alienvault.com/api')
.then(res => res.json())
.then(data => console.log(data))
.catch(err => console.error(err)); Key Features
- RESTful
- JSON Support
- Threat Intelligence Data
- Requires API Key
- Community-Curated Data
Frequently Asked Questions
? Is AlienVault OTX API free to use?
Yes, it offers a free tier with rate limits. Advanced features like higher rate limits and enterprise support require paid plans.
? Does it require an API Key?
Yes, you need to sign up for a free OTX account to generate an API key for authenticating requests.
? What is the response format?
All API responses are in JSON format, providing structured data such as threat classifications, malware associations, and sighting details.
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Tool Info
Pros
- ⊕ Free basic access
- ⊕ Comprehensive threat context
- ⊕ Easy to integrate
- ⊕ Regularly updated data
Cons
- ⊖ Rate-limited free tier
- ⊖ Advanced features need paid plan
- ⊖ No SLA for free users