freeapis

Security APIs

46 free public APIs in this category

Auth
HTTPS
CORS
46 shown
APIAuthHTTPSCORS
Application Environment Verification

Android library and API to verify the safety of user devices, detect rooted devices and other risks

API KeyYesYes
BinaryEdge

Provide access to BinaryEdge 40fy scanning platform

API KeyYesYes
BitWarden

Best open-source password manager

OAuthYesUnknown
Botd

Botd is a browser library for JavaScript bot detection

API KeyYesYes
Bugcrowd

Bugcrowd API for interacting and tracking the reported issues programmatically

API KeyYesUnknown
Censys

Search engine for Internet connected host and devices

API KeyYesNo
Classify

Encrypting & decrypting text messages

No authYesYes
Complete Criminal Checks

Provides data of offenders from all U.S. States and Pureto Rico

API KeyYesYes
CRXcavator

Chrome extension risk scoring

API KeyYesUnknown
CSR.plus

Generate certificate signing requests and private keys without OpenSSL

No authYesYes
dead-drop

Ephemeral zero-knowledge encrypted data sharing

No authYesYes
Dehash.lt

Hash decryption MD5, SHA1, SHA3, SHA256, SHA384, SHA512

No authYesUnknown
Domain Intelligence

DNS, WHOIS/RDAP, SSL, subdomain enumeration, and email security in one parallel call

API KeyYesNo
EmailRep

Email address threat and risk prediction

No authYesUnknown
Escape

An API for escaping different kind of queries

No authYesNo
FilterLists

Lists of filters for adblockers and firewalls

No authYesUnknown
FingerprintJS Pro

Fraud detection API offering highly accurate browser fingerprinting

API KeyYesYes
FOFA

Search engine for Internet connected assets and devices

API KeyYesUnknown
FraudLabs Pro

Screen order information using AI to detect frauds

API KeyYesUnknown
FullHunt

Searchable attack surface database of the entire internet

API KeyYesUnknown
GitGuardian

Scan files for secrets (API Keys, database credentials)

API KeyYesNo
GreyNoise

Query IPs in the GreyNoise dataset and retrieve a subset of the full IP context data

API KeyYesUnknown
HackerOne

The industry’s first hacker API that helps increase productivity towards creative bug bounty hunting

API KeyYesUnknown
Hashable

A REST API to access high level cryptographic functions and methods

No authYesYes
HaveIBeenPwned

Passwords which have previously been exposed in data breaches

API KeyYesUnknown
Hybrid Analysis

File and URL malware analysis powered by Falcon Sandbox

API KeyYesUnknown
Intelligence X

Perform OSINT via Intelligence X

API KeyYesUnknown
IPLogs

Free VPN, proxy, Tor and datacenter IP detection. 13 sources, active probing

No authYesYes
LoginRadius

Managed User Authentication Service

API KeyYesYes
Microsoft Security Response Center (MSRC)

Programmatic interfaces to engage with the Microsoft Security Response Center (MSRC)

No authYesUnknown
Mozilla http scanner

Mozilla observatory http scanner

No authYesUnknown
Mozilla tls scanner

Mozilla observatory tls scanner

No authYesUnknown
National Vulnerability Database

U.S. National Vulnerability Database

No authYesUnknown
Passwordinator

Generate random passwords of varying complexities

No authYesYes
PhishStats

Phishing database

No authYesUnknown
Privacy.com

Generate merchant-specific and one-time use credit card numbers that link back to your bank

API KeyYesUnknown
Pulsedive

Scan, search and collect threat intelligence data in real-time

API KeyYesUnknown
SecurityTrails

Domain and IP related information such as current and historical WHOIS and DNS records

API KeyYesUnknown
Shodan

Search engine for Internet connected devices

API KeyYesUnknown
Spyse

Access data on all Internet assets and build powerful attack surface management applications

API KeyYesUnknown
SSL Domain Health Check

SSL certificate validity, domain WHOIS status, and DNS record checks for any domain

API KeyYesUnknown
Threat Jammer

Risk scoring service from curated threat intelligence data

API KeyYesUnknown
UK Police

UK Police data

No authYesUnknown
URLhaus

Database of malicious URLs used for malware distribution

No authYesUnknown
Virushee

Virushee file/data scanning

No authYesYes
VulDB

VulDB API allows to initiate queries for one or more items along with transactional bots

API KeyYesUnknown