All url endpoints are prefixed with /rest/ and the path to the project and tool. For example, in order to access a wiki installed in the 'test' project with the path 'docs', the API endpoint would be https://sourceforge.net/rest/p/test/docs
The following tools have API support:
Webhooks are available for Git, SVN, and Mercurial repositories. To configure a webhook, go to your repository and in the left menu expand the Admin section. Then click the "Webhooks" link. You can create and update your webhooks there.
The webhook payloads and signature verification method are documented at https://forge-allura.apache.org/p/allura/wiki/Webhooks/