Top GreyNoise Alternatives & Similar APIs (2026)
Looking for alternatives to GreyNoise? Compare 8 verified free and public APIs in the security category with rate limits, auth methods, and ready-to-use snippets.
Alternatives Feature Comparison
8 Options| API Service | Auth Type | Rate Limit | CORS | Action |
|---|---|---|---|---|
| VirusTotal | Free Key | 4 istek/dk | HTTPS • CORS | Explore |
| Shodan | Free Key | 1 istek/saniye | HTTPS • CORS | Explore |
| HaveIBeenPwned | Free Key | 10 istek/dk | HTTPS • CORS | Explore |
| URLScan.io | Free Key | 100 istek/saat | HTTPS • CORS | Explore |
| AbuseIPDB | Free Key | Değişken | HTTPS • CORS | Explore |
| Google Safe Browsing | Free Key | 400 istek/gün | HTTPS • CORS | Explore |
| MalwareBazaar | Free Key | Değişken | HTTPS • CORS | Explore |
| URLhaus | Free Key | Sınırsız | HTTPS • CORS | Explore |
Detailed Breakdown of GreyNoise Alternatives
VirusTotal
Multi-antivirus scan aggregator analyzing suspicious files, domains, and IP addresses
Shodan
Search engine for internet-connected servers, IoT devices, and open ports
HaveIBeenPwned
Check if personal email addresses or passwords have been leaked in data breaches
URLScan.io
Automated sandbox analyzing website DOMs, network requests, and safety scores
AbuseIPDB
Central IP address blacklist reporting malicious traffic, attacks, and brute-force
Google Safe Browsing
Google Safe Browsing: detect malicious URLs, malware, and deceptive websites
MalwareBazaar
Malware sample database and hash lookup for reverse engineers and analysts
Choosing the Best Alternative to GreyNoise
Which alternative is quickest to start?
Alternatives labeled "Zero-Auth" do not require registration or API keys. You can swap your endpoint URL and test in minutes without creating provider accounts.
Are these alternatives free for production?
All listed alternatives offer legitimate free tiers or open data licenses. Review the specific rate limits on each API detail page to ensure your traffic stays within quota.