+L<FS::clientapi_session>
+
+L<FS::clientapi_session_field>
+
+=head2 Historical database record classes
+
+L<FS::h_Common> - History table base class
+
+L<FS::h_cust_bill> - Historical record of customer tax changes (old-style)
+
+L<FS::h_cust_svc> - Object method for h_cust_svc objects
+
+L<FS::h_cust_tax_exempt> - Historical record of customer tax changes (old-style)
+
+L<FS::h_domain_record> - Historical DNS entry objects
+
+L<FS::h_svc_acct> - Historical account objects
+
+L<FS::h_svc_broadband> - Historical broadband connection objects
+
+L<FS::h_svc_domain> - Historical domain objects
+
+L<FS::h_svc_external> - Historical externally tracked service objects
+
+L<FS::h_svc_forward> - Historical mail forwarding alias objects
+
+L<FS::h_svc_phone> - Historical phone number objects
+
+L<FS::h_svc_www> - Historical web virtual host objects
+
+=head2 Client API
+
+L<FS::ClientAPI>
+
+L<FS::ClientAPI_SessionCache>
+
+L<FS::ClientAPI::Signup>
+
+L<FS::ClientAPI::passwd>
+
+L<FS::ClientAPI::MyAccount>
+
+L<FS::ClientAPI::Agent>
+
+=head2 Remote API modules
+
+L<FS::SelfService>