WordPress supports the Pingback XML-RPC API. This support was added in WordPress 1.5.0.
pingback.ping
Register a pingback.
Parameters
- string sourceUri
- string targetUri
Return Values
Errors
See spec for possible fault codes.
pingback.extensions.getPingbacks
Retrieves list of URLs that pingbacked the given URL.
Parameters
- string url: URL of a post on this blog.
Return Values
- array of strings: URLs that pingbacked url.
Errors
- 33
- If unable to convert url to a post on this blog.
- 32
- If the post does not exist.