30 Authentication APIs: Google, AOL, Windows Live and Yahoo

Our API directory now includes 30 authentication APIs. The newest is the Yubikey API. The most popular, in terms of mashups, is the Google Client Authentication API. We list 6 Google Client Authentication mashups. Below you'll find some more stats from the directory, including the entire list of Authentication APIs.

In terms of the technical details, REST and XML lead the way. There are 22 authentication REST APIs and 3 authentication JavaScript APIs. Our directory lists 19 authentication XML APIs and 11 authentication JSON APIs.

The most common tags within authentication are 27 security authentication APIs, 10 identity authentication APIs and 4 internet authentication APIs.

On the mashup side, we list just one authentication mashup. For reference, here is a list of all 30 authentication APIs.

  Aadhaar UIDAI Authentication API: Online authentication for Indian citizens

  AOL Open Auth API: Authentication services

  Apigee OAuth API: OAuth authentication across several APIs

  AT&T Notary Management API: Digital signature service

  Atlassian Crowd API: Single Sign On service

  AuthDog API: Authentication creation service

  BeenVerified API: Authentication services

  Cumulo Authorize API: Authentication services

  DuoFactor API: Web authentication service

  Enole API: Mobile Authentication Service

  FreeYourID API: Online identity authentication services

  Gigya API: Single Sign-In/Registration Service

  Google Client Authentication API: Account authentication for installed applications

  Google Single SignOn API: Authentication for Google Apps

  Google Web Authentication API: Account authentication proxy for web-based applications

  Kinamik Data Integrity API: Tamper evident and digital evidence ready data

  Lanoba API: Website registration and authentication service

  LiveEnsure API: Website and app authentication service

  MyPW Authentication API: Authentication services

  OpenStack API: Authentication for cloud service

  Orange Authentication API: Authentication service

  Rackspace Cloud Identity API: Cloud services authentication service

  TokBox API: Authentication services

  Vidoop API: Secure authentication service

  VoiceVault API: Voice biometric identity verification

  Windows Live ID Client SDK API: Windows SDK for Windows Live sign-in authentication

  Windows Live ID Web Authentication API: Web based authentication 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

Be sure to read the next Security article: iDrive Releases Open API Platform