| Recommended standard | |
|---|---|
| Share headlines and other web content | |
| RSS 2.0 (Opens in new window) | |
| ATOM 1.0 (Opens in new window) | |
| Exchange remote procedure calls and data structures over HTTP | |
| Simple Object Access Protocol (SOAP) (Opens in new window) | |
| Provide distributed searches | |
| Search and Retrieve Web Service/URL Service (SRW/U) (Opens in new window) | |