/social/community/member/join/{communityid}/
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.
Authentication
Required, see Auth - Login
Arguments
communityid (required)
Community ID to attempt to join.
Example
http://infinite.ikanow.com/api/community/member/join/abcde12345/