Our API directory now includes 134 security APIs. The newest is the Universign API. The most popular, in terms of mashups, is the Google OpenID API. We list 8 Google OpenID mashups. Below you'll find some more stats from the directory, including the entire list of security APIs.
In terms of the technical details, REST and XML lead the way. There are 71 security REST APIs and 36 security SOAP APIs. Our directory lists 78 security XML APIs and 43 security JSON APIs.
The most common tags within security are 27 authentication security APIs, 20 internet security APIs and 15 identity security APIs.
On the mashup side, we list 20 security mashups. We named CompletelyPrivateFiles as mashup of the day in March 2011.
For reference, here is a list of all 134 security APIs.
OneLogin API: Single sign-on solution
Aadhaar UIDAI Authentication API: Online authentication for Indian citizens
ACHWorks API: Online transaction service
Anatoa API: Fraud protection service
AOL Open Auth API: Authentication services
Apigee OAuth API: OAuth authentication across several APIs
ARCS API: Application resource control service
AT&T Notary Management API: Digital signature service
Atlassian Crowd API: Single Sign On service
AuthDog API: Authentication creation service
Bank Account Checker API: Bank account verification service
BankCard Central VERePay API: eCommerce gateway
BeenVerified API: Authentication services
BlogSpam.net API: Detection for Blog & Forum SPAM
BotScout API: Bot detection service
Brightcloud API: Website filtering data service
BriteVerify API: Realtime email data verification
BrowserID API: Website sign in service
buySAFE API: E-commerce trust network
Call me API: Hide contact details on the internet
Called.in Phone Verification API: Phone number verification service
CaptChair API: Image-based captcha service
CDYNE IP2Geo API: Geolocate by IP address
CDYNE Phone Verification API: Phone number verification service
CDYNE Postal Address Verification API: Postal address verification service
CDYNE Profanity Filter API: Profanity filtering service
CensorNet Hosted Web Security API: Web security service
CheckIP API: IP lookup service
CloudCracker API: Password Cracking Service
CloudFlare Client Interface API: Content delivery network
CompletelyPrivateFiles API: Data encryption service
Confident CAPTCHA API: Image-based captcha service
Cumulo Authorize API: Authentication services
Data8 Credit Card Validation API: Credit card validation service
DEA Filter API: Spam and email filter
Defensio API: Blog and social site spam prevention services
Dialawg API: Secure conversation platform
Digital Monitoring Products API: Security monitoring provider
DuoFactor API: Web authentication service
e-SignLive API: Electronic signature service
Easy Antispam API: Email spam services
Enole API: Mobile Authentication Service
Ericsson Captcha API: Security and Advertisement Service
FoolDNS API: Online privacy protection service
FraudLabs AreaCodeWorld NPA NXX Area Code API: Geographical location service
FraudLabs BrowserObject Browser Detection API: Browser information detection service
FraudLabs Credit Card Fraud Detection API: Credit card verification service
FraudLabs IP2Proxy API: Annymous proxy detection service
FraudLabs MailBox Validator API: Email address validation service
Freak CMS User-agents API: User Agent checking service
gamerID API: Gaming identity authenticater
GeoCerts Reseller API: SSL reseller platform
Google Client Authentication API: Account authentication for installed applications
Google OpenID API: OpenID login for Google account users
Google Safe Browsing API: Security service to verify URLs
Google Single SignOn API: Authentication for Google Apps
Google Site Verification API: Website owner verification service
Google Web Authentication API: Account authentication proxy for web-based applications
Guerrilla Mail API: Temporary Email Service
Human Information Project Data API: User Information and Privacy
I'm Human API: Visual CAPTCHA service
Impermium API: Website protection service
Innovative Merchant Solutions API: Payment processing service
IP Address API: IP address lookup service
IPGEO API: IP Address Geolocation Service
IPInfoDB E-Commerce Fraud Detection API: Fraud detection service
IPInfoDB Fraud Detection API: Online fraud detection service
iplocationtools API: IP address services
Jabbakam API: IP camera platform
Janrain Engage API: Social networking login service
Kinamik Data Integrity API: Tamper evident and digital evidence ready data
Liberty Data API: Identity verification and risk management tools
LiveEnsure API: Website and app authentication service
Locker Project API: Personal data management service
Lyons Account Verification API: Check account verification service
Lyons OFAC API: OFAC screening service
Lyons Routing Number Verification API: Bank routing number verification service
Lyons SSN Validation API: Online social security number validation
Microsoft HealthVault API: Health-related data storage, security, and records
miiCard API: Secure internet identity service
MLState OPA API: Web application development platform
Mollom API: Blog and social site spam prevention services
myOneLogin API: Login authentication service
Myows API: Original works copyright service
MyPW Authentication API: Authentication services
MyWot API: Website reputation service
Navizon ITS API: WiFi device tracking service
One Time Secret API: Secret link generator for sensitive information
ONVIF API: IP-based security products standardization initiative
Orange Authentication API: Authentication service
PagerDuty API: IT alerting service
PayPal Permissions API: PayPal permission management service
PeoplePond API: Identity management service
Personal API: Personal Vault and Personal Network
PhishTank API: Community site for tracking phishing
Postcode Anywhere Payment Validation API: Bank and card validation
PoxPay API: Payment verification service
ProtecMail API: Antispam and Antivirus Solutions
ProxyFraud API: Proxy detection service
RealSearch FraudGATE API: Identity Validation and Fraud Detection service
reCAPTCHA API: Security and Book Digitalization Service
RPost API: Registered email services
Safe.mn API: URL shortening service with security features
SafeLinking API: Link Securing Service
Secure Hosting API: Secure online payment service
Sendinc REST API: Email encryption services
Sendinc SMTP API: Email encryption services
ServiceObjects DOTS BIN Validation API: Credit card validation service
Seznam Captcha API: Captcha creation service
Sfax API: Cloud-based secure faxing service
SingTel Single Sign On API: Mobile network service
Subuno API: Fraud monitoring service
SuperTweet.net API: Access to Twitter API without OAuth
TeleSign API: Telephone based verification services
Text Disguise API: Image-based captcha service
textCAPTCHA API: Text-based captcha service
TokBox API: Authentication services
Tossable Digits API: Disposable phone numbers service
Trove API: Personal content management platform
tru.ly Verification API: Dating verification tool
TrustedX API: Online business security service
TypeKey API: Authentication Framework
Universign API: Electronic document signature service
Verify.IM Trust API: Online identity verification service
Vidoop API: Secure authentication service
VoiceVault API: Voice biometric identity verification
WebPurify Profanity Filter API: Profanity filtering service
Windows Live Data API: Service for users to control data access
Windows Live ID Client SDK API: Windows SDK for Windows Live sign-in authentication
Windows Live ID Web Authentication API: Web based authentication service
XWebEmailValidation API: Email address validation service
Yahoo BBauth API: Browser based authentication service
Yahoo Create Consumer Key API: Yahoo consumer API key creation service
Yubikey API: Cloud-based authentication and validation service
