> /v1/apis/category/security
Free Security APIs[039]
39 free public APIs in the Security category — 12 require no authentication, 39 support HTTPS, 9 have CORS enabled.
Application Environment Verification
Android library and API to verify the safety of user devices, detect rooted devices and other risks
ArkForge Trust Layer
Cryptographic proof API for HTTP exchanges — Ed25519, RFC 3161, and Sigstore Rekor attestation
BinaryEdge
Provide access to BinaryEdge 40fy scanning platform
BitWarden
Best open-source password manager
Botd
Botd is a browser library for JavaScript bot detection
Bugcrowd
Bugcrowd API for interacting and tracking the reported issues programmatically
Censys
Search engine for Internet connected host and devices
Classify
Encrypting & decrypting text messages
Complete Criminal Checks
Provides data of offenders from all U.S. States and Puerto Rico
CRXcavator
Chrome extension risk scoring
EmailRep
Email address threat and risk prediction
Escape
An API for escaping different kind of queries
FilterLists
Lists of filters for adblockers and firewalls
FingerprintJS Pro
Fraud detection API offering highly accurate browser fingerprinting
FraudLabs Pro
Screen order information using AI to detect frauds
FullHunt
Searchable attack surface database of the entire internet
GitGuardian
Scan files for secrets (API Keys, database credentials)
GreyNoise
Query IPs in the GreyNoise dataset and retrieve a subset of the full IP context data
HackerOne
The industry’s first hacker API that helps increase productivity towards creative bug bounty hunting
HaveIBeenPwned
Passwords which have previously been exposed in data breaches
Intelligence X
Perform OSINT via Intelligence X
LeakInsight
Find leaked or exposed credentials by email, username, phone, domain, hash, or breach origin
LoginRadius
Managed User Authentication Service
Microsoft Security Response Center (MSRC)
Programmatic interfaces to engage with the Microsoft Security Response Center (MSRC)
Mozilla http scanner
Mozilla observatory http scanner
Mozilla tls scanner
Mozilla observatory tls scanner
National Vulnerability Database
U.S. National Vulnerability Database
OWASP ZAP
Automated security testing API for web apps
Passwordinator
Generate random passwords of varying complexities
PhishStats
Phishing database
Privacy.com
Generate merchant-specific and one-time use credit card numbers that link back to your bank
Pulsedive
Scan, search and collect threat intelligence data in real-time
SecurityTrails
Domain and IP related information such as current and historical WHOIS and DNS records
Shodan
Search engine for Internet connected devices
Spyse
Access data on all Internet assets and build powerful attack surface management applications
UK Police
UK Police data
Virus and Malware Scan API by attachmentAV
Scan files for viruses, worms, trojans, ransomware, and other kinds of malware by sending them to the attachmentAV API powered by Sophos
VulDB
VulDB API allows to initiate queries for one or more items along with transactional bots
Whoisfreaks
Domain and DNS related information that will equip organizaion with comprehensive threat intelligence and attack surface analysis capabilities for enhanced security
// FREQUENTLY ASKED
What are the best free Security APIs?
The directory tracks 39 free public Security APIs. Top picks include Application Environment Verification, ArkForge Trust Layer, BinaryEdge, BitWarden, Botd — see the full list above, all free to use.
Are there free Security APIs without authentication?
12 of 39 Security APIs require no authentication and can be used immediately without an API key.
Do these APIs support HTTPS?
39 of 39 Security APIs support HTTPS.