Page Comparison

Attempts to join a community.  If the community accepts open membership, you will be added as a member immediately.  If the community requires owner approval, an email will be sent to him and you will not be a member until the owner accepts you.

If owner approval is required the owner of the community will be asked to respond in email to this api call: Request Response
If the owner accepts the request, you will be silently added to the community.
If the owner denies the request, you will not be notified.