CATEGORY #3818 API

Cybersecurity & Threat Intel

Vulnerability scanners, breach databases, and TLS/SSL verification

Cybersecurity & Threat Intel API Comparison Overview

Top Endpoints
API ServiceAuth TypeRate LimitSecurityDirect Link
VirusTotalFree Key4 istek/dkHTTPS • CORSDocs
ShodanFree Key1 istek/saniyeHTTPS • CORSDocs
HaveIBeenPwnedFree Key10 istek/dkHTTPS • CORSDocs
URLScan.ioFree Key100 istek/saatHTTPS • CORSDocs
AbuseIPDBFree KeyDeğişkenHTTPS • CORSDocs
Google Safe BrowsingFree Key400 istek/günHTTPS • CORSDocs

Available Endpoints (18)

Cybersecurity & Threat Intel

VirusTotal

Multi-antivirus scan aggregator analyzing suspicious files, domains, and IP addresses

FeaturedAPI KEY4 req/min
Cybersecurity & Threat Intel

Shodan

Search engine for internet-connected servers, IoT devices, and open ports

FeaturedAPI KEY1 req/sec
Cybersecurity & Threat Intel

HaveIBeenPwned

Check if personal email addresses or passwords have been leaked in data breaches

FeaturedAPI KEY10 req/min
Cybersecurity & Threat Intel

URLScan.io

Automated sandbox analyzing website DOMs, network requests, and safety scores

FeaturedAPI KEY100 req/hour
Cybersecurity & Threat Intel

AbuseIPDB

Central IP address blacklist reporting malicious traffic, attacks, and brute-force

FeaturedAPI KEYVariable
Cybersecurity & Threat Intel

Google Safe Browsing

Google Safe Browsing: detect malicious URLs, malware, and deceptive websites

FeaturedAPI KEY400 req/day
Cybersecurity & Threat Intel

MalwareBazaar

Malware sample database and hash lookup for reverse engineers and analysts

API KEYVariable
Cybersecurity & Threat Intel

URLhaus

Database tracking malicious websites and URLs distributing malware and trojans

FeaturedAPI KEYUnlimited
Cybersecurity & Threat Intel

AlienVault OTX

Open Threat Exchange: community intelligence on malware indicators and IPs

API KEYVariable
Cybersecurity & Threat Intel

BinaryEdge

Threat intelligence engine scanning exposed IP ports and network vulnerabilities

API KEYVariable
Cybersecurity & Threat Intel

GreyNoise

Internet background noise scanner analyzing mass scanners and benign crawler traffic

API KEY50 req/day
Cybersecurity & Threat Intel

HackerOne

Bug bounty and vulnerability disclosure platform for ethical hackers

API KEYVariable
Cybersecurity & Threat Intel

SecurityTrails

Comprehensive domain DNS history, WHOIS records, and reverse IP lookup

API KEYVariable
Cybersecurity & Threat Intel

FraudLabs Pro

Fraud detection engine analyzing e-commerce transactions and chargeback risks

API KEY500 req/month
Cybersecurity & Threat Intel

PhishStats

Real-time phishing indicators feed, malicious URL analysis, and IP blacklists

ZERO-AUTHUnlimited
Cybersecurity & Threat Intel

National Vulnerability Database

Official US National Vulnerability Database (NVD) CVE catalog and CVSS scores

ZERO-AUTHUnlimited
Cybersecurity & Threat Intel

Pulsedive

Community threat intelligence platform analyzing IOCs, hashes, and malware domains

API KEY30 req/min
Cybersecurity & Threat Intel

EmailRep

Predict malicious email reputation, spam likelihood, and disposable address check

API KEY100 req/day

About Free Cybersecurity & Threat Intel APIs

This directory curates 18 verified public APIs in the Cybersecurity & Threat Intel domain. Developers can build dashboards, mobile applications, automation bots, and microservices with these ready-to-integrate endpoints without upfront billing.

Do I need an API key?

Several APIs listed here operate as Zero-Auth services where you can execute queries directly. Others provide free developer tiers with an instant key upon registration.

Does FreeAPI support CORS?

Yes, all endpoints can be called through FreeAPI Smart Edge Gateway to bypass browser CORS headers and inspect live responses.