Timestamp of the base revision, used to detect edit conflicts. May be obtained through action=query&prop=revisions&rvprop=timestamp.
MediaWiki:Apihelp-edit-param-basetimestamp
From Jeremie Leroy - XOJO Controls Wiki
Timestamp of the base revision, used to detect edit conflicts. May be obtained through action=query&prop=revisions&rvprop=timestamp.