JUMP TOOverviewQuick Start API GuideREST API OverviewRate LimitsIdempotent Notification RequestsMessagesCreate NotificationPush NotificationpostEmailpostSMSpostTransactional MessagesView NotificationgetView notification responseView NotificationsgetDelete NotificationdeleteNotification HistorypostLive ActivitiesStart Live ActivitypostUpdate Live ActivitypostUserCreate userpostView usergetUpdate userpatchDelete userdeleteView user identitygetView user identity (by subscription)getCreate aliaspatchCreate alias (by subscription)patchDelete aliasdeleteSubscriptionsCreate subscription (by alias)postUpdate subscriptionpatchView subscription's IAMsgetDelete subscriptiondeleteTransfer subscriptionpatchUnsubscribe email (with token)postTemplatesCreate templatepostUpdate templatepatchView templatesgetView templategetDelete templatedeleteCopy template to another apppostSegmentsView segmentsgetCreate segmentpostDelete segmentdeleteConfigurationView appsgetView an appgetCreate an apppostUpdate an appputAnalyticsView OutcomesgetExport Subscriptions CSVpostExport Audience Activity CSVpostDeprecatedView devicesgetView devicegetAdd a devicepostEdit deviceputEdit tags with external user idputDelete Player RecorddeleteDelete Player Recorddelete https://onesignal.com/api/v1/players/{player_id}?app_id={app_id}Delete a user record via OneSignal player_id