JUMP TOCakemail Classic APIGetting Started With Cakemail Classic APIAccountsClientCreatepostActivatepostGetInfopostGetListpostSetInfopostGetTimezonespostUserCreatepostGetInfopostGetListpostSetInfopostLoginpostPermissionGetPermissionspostSetPermissionspostContactsListCreatepostGetInfopostGetListspostDeletepostSetInfopostEditStructurepostGetFieldspostCreateSublistpostDeleteSublistpostGetSublistspostAddTestEmailpostGetTestEmailspostDeleteTestEmailpostSubscribeEmailpostImportpostUnsubscribeEmailpostDeleteRecordpostGetRecordpostShowpostUpdateRecordpostSuppression ListImportEmailspostImportDomainspostImportLocalpartspostDeleteEmailspostDeleteDomainspostDeleteLocalpartspostExportEmailspostExportDomainspostExportLocalpartspostCampaignsMailingCreatepostDeletepostGetInfopostGetListpostSetInfopostSendTestEmailpostGetEmailMessagepostGetHtmlMessagepostGetTextMessagepostSchedulepostUnschedulepostSuspendpostResumepostGetLogpostGetLinkspostGetLinkInfopostTriggerCreatepostGetInfopostSetInfopostSendTestEmailpostGetEmailMessagepostGetHtmlMessagepostGetTextMessagepostUnleashpostGetLogpostGetLinkspostGetLinksLogpostGetLinksInfopostTemplateV2CreateCategorypostDeleteCategorypostGetCategorypostGetCategoriespostSetCategorypostGetCategoryVisibilitypostSetCategoryVisibilitypostCreateTemplatepostDeleteTemplatepostGetTemplatepostGetTemplatespostSetTemplatepostCampaignCreatepostDeletepostGetInfopostGetListpostSetInfopostTransactionalRelayGetLogspostSendpostCountryCountryGetListpostGetProvincespostPowered by CreateSublistpost https://api.wbsrvc.com/List/CreateSublist/Method to create a segment.