| API | Description | Category | Mashups |
|---|---|---|---|
| Google Single SignOn | Authentication for Google Apps | Security | 9 |
| Google Client Authentication | Account authentication for installed applications | Security | 8 |
| Janrain Engage | Social networking login service | Security | 7 |
| Google Web Authentication | Account authentication proxy for web-based applications | Security | 5 |
| AOL Open Auth | Authentication services | Security | 3 |
| Windows Live ID Web Authentication | Web based authentication service | Security | 3 |
| Yahoo BBauth | Browser based authentication service | Security | 3 |
| BioID Web Services | Face and voice biometrics service | Security | 2 |
| TokBox | Authentication services | Security | 2 |
| BeenVerified | Authentication services | Security | 1 |
| FreeYourID | Online identity authentication services | Internet | 1 |
| Gigya | Single Sign-In/Registration Service | Social | 1 |
| Vidoop | Secure authentication service | Security | 1 |
| Aadhaar UIDAI Authentication | Online authentication for Indian citizens | Government | 0 |
| Accthub | Account management service | Backend | 0 |
| Allyve | Social media integration service | Social | 0 |
| Apigee OAuth | OAuth authentication across several APIs | Security | 0 |
| AT&T Notary Management | Digital signature service | Security | 0 |
| Atlassian Crowd | Single Sign On service | Security | 0 |
| AuthDog | Authentication creation service | Security | 0 |





©ProgrammableWeb.com 2013. All rights reserved.
Terms of Service | Privacy Policy