Identity Open APIs
| Provider | Description | Commercial Use | Limits | Terms | Fees |
| Drupal | Distributed authentication in every Drupal site | ||||
| LID | Initiated by NetMesh, multiple implementations and hosted service available | yes | |||
| OpenID | Based on LiveJournal | ||||
| SXIP | Commercial Identity Provider | ||||
| Typekey | Based on Six Apart | ||||
| GUIDGenerator | GUID Generator for unique identification |
Examples of sites using APIs
| Example | Description | APIs Used |
| Dropcash | Mashup of Typekey and Paypal | Typekey |
Definitions:
Provider - Who is providing the API?
Description - What does the API let you do?
Commercial Use - Can you use this API for commercial use without asking?
Limits - Are there any limitations to amount of usage?
Terms - Link to Terms of Service