Mango Labs

Security APIs

Public API idea board. Security is one of 51 categories in the public-apis GitHub list. This page lists all 54 APIs filed under Security in the fetch on 2026-09-30 (README commit 8939d46). Descriptions are that list’s own lines, not rewrites. A pricing label is shown only when those lines state a price; otherwise it says pricing not listed.

You could build…

Notes already stored with this category in the catalog.

  1. A signup check against passwords already exposed in breaches, without storing the password.
  2. An SSL grade a shop owner can read before buying hosting.
  3. A password generator on a settings screen.
SecurityPricing not listed

Application Environment Verification

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

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

BinaryEdge

Provide access to BinaryEdge 40fy scanning platform

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

BitWarden

Best open-source password manager

You could build… A signup check against passwords already exposed in breaches, without storing the password.

OAuthHTTPS YesAPI link
SecurityPricing not listed

Botd

Botd is a browser library for JavaScript bot detection

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

Bugcrowd

Bugcrowd API for interacting and tracking the reported issues programmatically

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

Censys

Search engine for Internet connected host and devices

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

Classify

Encrypting & decrypting text messages

You could build… A signup check against passwords already exposed in breaches, without storing the password.

No authHTTPS YesAPI link
SecurityPricing not listed

Complete Criminal Checks

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

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

CompliAPI

Screen crypto addresses, emails, websites, IDs and countries against OFAC, EU, UK sanctions lists

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

CRXcavator

Chrome extension risk scoring

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

CSR.plus

Generate certificate signing requests and private keys without OpenSSL

You could build… A signup check against passwords already exposed in breaches, without storing the password.

No authHTTPS YesAPI link
SecurityPricing not listed

dead-drop

Ephemeral zero-knowledge encrypted data sharing

You could build… A signup check against passwords already exposed in breaches, without storing the password.

No authHTTPS YesAPI link
SecurityPricing not listed

Dehash.lt

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

You could build… A signup check against passwords already exposed in breaches, without storing the password.

No authHTTPS YesAPI link
SecurityPricing not listed

Domain Intelligence

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

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

EmailRep

Email address threat and risk prediction

You could build… A signup check against passwords already exposed in breaches, without storing the password.

No authHTTPS YesAPI link
SecurityPricing not listed

Escape

An API for escaping different kind of queries

You could build… A signup check against passwords already exposed in breaches, without storing the password.

No authHTTPS YesAPI link
SecurityPricing not listed

FilterLists

Lists of filters for adblockers and firewalls

You could build… A signup check against passwords already exposed in breaches, without storing the password.

No authHTTPS YesAPI link
SecurityPricing not listed

FingerprintJS Pro

Fraud detection API offering highly accurate browser fingerprinting

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

FOFA

Search engine for Internet connected assets and devices

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

FraudLabs Pro

Screen order information using AI to detect frauds

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

FullHunt

Searchable attack surface database of the entire internet

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

GitGuardian

Scan files for secrets (API Keys, database credentials)

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

GreyNoise

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

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

HackerOne

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

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

Hashable

A REST API to access high level cryptographic functions and methods

You could build… A signup check against passwords already exposed in breaches, without storing the password.

No authHTTPS YesAPI link
SecurityPricing not listed

Hybrid Analysis

File and URL malware analysis powered by Falcon Sandbox

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

HaveIBeenPwned

Passwords which have previously been exposed in data breaches

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

Intelligence X

Perform OSINT via Intelligence X

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

IPGuardian

Check IP addresses against 140+ public threat intelligence blocklists

You could build… A signup check against passwords already exposed in breaches, without storing the password.

No authHTTPS YesAPI link
SecurityFree

IPLogs

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

You could build… A signup check against passwords already exposed in breaches, without storing the password.

No authHTTPS YesAPI link
SecurityPricing not listed

LoginRadius

Managed User Authentication Service

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

Maskbreak

Detect VPNs, proxies, Tor, bots and antidetect browsers at signup, login and checkout

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

Microsoft Security Response Center (MSRC)

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

You could build… A signup check against passwords already exposed in breaches, without storing the password.

No authHTTPS YesAPI link
SecurityPricing not listed

Mozilla http scanner

Mozilla observatory http scanner

You could build… A signup check against passwords already exposed in breaches, without storing the password.

No authHTTPS YesAPI link
SecurityPricing not listed

Mozilla tls scanner

Mozilla observatory tls scanner

You could build… A signup check against passwords already exposed in breaches, without storing the password.

No authHTTPS YesAPI link
SecurityPricing not listed

National Vulnerability Database

U.S. National Vulnerability Database

You could build… A signup check against passwords already exposed in breaches, without storing the password.

No authHTTPS YesAPI link
SecurityPricing not listed

Neetix Liveliness

Face liveness, presentation-attack detection and 1:1 face match for identity verification

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

Passwordinator

Generate random passwords of varying complexities

You could build… A signup check against passwords already exposed in breaches, without storing the password.

No authHTTPS YesAPI link
SecurityPricing not listed

PhishStats

Phishing database

You could build… A signup check against passwords already exposed in breaches, without storing the password.

No authHTTPS YesAPI link
SecurityPricing not listed

Presend

Security and developer utility API -- malware, vulnerability, and domain checks, no signup

You could build… A signup check against passwords already exposed in breaches, without storing the password.

No authHTTPS YesAPI link
SecurityPricing not listed

Privacy.com

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

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

Pulsedive

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

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

Sealed Rose

AI media forensics and synthetic content verification for video, audio, image, and text

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

SecurityTrails

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

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

Shodan

Search engine for Internet connected devices

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

Spyse

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

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

SSL Domain Health Check

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

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

SSL Labs

Deep SSL/TLS server analysis with A+ to F grading

You could build… A signup check against passwords already exposed in breaches, without storing the password.

No authHTTPS YesAPI link
SecurityPricing not listed

Threat Jammer

Risk scoring service from curated threat intelligence data

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

ThreatCluster

Threat intelligence: incident clusters, validated IOCs, CVEs, ransomware leak-site victims

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link
SecurityPricing not listed

UK Police

UK Police data

You could build… A signup check against passwords already exposed in breaches, without storing the password.

No authHTTPS YesAPI link
SecurityPricing not listed

URLhaus

Database of malicious URLs used for malware distribution

You could build… A signup check against passwords already exposed in breaches, without storing the password.

No authHTTPS YesAPI link
SecurityPricing not listed

Virushee

Virushee file/data scanning

You could build… A signup check against passwords already exposed in breaches, without storing the password.

No authHTTPS YesAPI link
SecurityPricing not listed

VulDB

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

You could build… A signup check against passwords already exposed in breaches, without storing the password.

API keyHTTPS YesAPI link

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Same fetch, every category page.