JUMP TOIntroductionIntroductionAuthenticationRequestsResponsesErrorsPaginationRate LimitingLocaleAPI ReferenceMessagesList MessagesgetSend MessagepostMetadataNotificationsSend NotificationpostChannelsList ChannelsgetGet ChannelgetCreate ChannelpostUpdate ChannelpatchDelete ChanneldeleteContactsList ContactsgetGet ContactgetDelete ContactdeleteSettingsGet SettingsgetUpdate SettingspatchWebhooksWebhooksEventsMessage ReceivedMessages DeliveredMessage FailedMessages ReadMessage EchoChannel EventsSecurityAmio ChatAmio ChatMessagesList MessagesgetTextpostImagepostStructurepostStructure - Horizontal ScrollpostQuick RepliesMetadataNotificationsSend NotificationpostChannelsList ChannelsgetGet ChannelgetCreate ChannelpostUpdate ChannelpatchDelete ChanneldeleteContactsList ContactsgetGet ContactgetDelete ContactdeleteSettingsGet SettingsgetUpdate SettingspatchDomains WhitelistWebhooksMessage ReceivedMessages DeliveredMessages ReadMessage EchoNotification ReceivedPostback ReceivedEmailEmail (Beta)MessagesTextpostChannelsList ChannelsgetGet ChannelgetCreate ChannelpostUpdate ChannelpatchDelete ChanneldeleteContactsList ContactsgetGet ContactgetDelete ContactdeleteWebhooksMessage ReceivedMessages DeliveredFacebook MessengerFacebook MessengerMessagesList MessagesgetTextpostImagepostAudiopostVideopostFilepostLocationReceiptpostStructurepostStructure - Horizontal ScrollpostButtonsQuick RepliesMetadataTypesTagsNotificationsSend NotificationpostChannelsList ChannelsgetGet ChannelgetCreate ChannelpostUpdate ChannelpatchDelete ChanneldeleteContactsList ContactsgetGet ContactgetDelete ContactdeleteSettingsGet SettingsgetUpdate SettingspatchGet Started ButtonMenuUser InputsDomains WhitelistWebhooksMessage ReceivedMessages DeliveredMessages ReadMessage EchoPostback ReceivedOpt-inMobileMobileMessagesList MessagesgetTextpostMetadataChannelsList ChannelsgetGet ChannelgetCreate ChannelpostUpdate ChannelpatchDelete ChanneldeleteContactsList ContactsgetGet ContactgetDelete ContactdeleteWebhooksMessage ReceivedMessages DeliveredMessage FailedMessage EchoRCS Business MessagesRCS Business MessagesMessagesList MessagesgetTextpostChannelsList ChannelsgetGet ChannelgetCreate ChannelpostUpdate ChannelpatchDelete ChanneldeleteContactsList ContactsgetGet ContactgetDelete ContactdeleteWebhooksMessage ReceivedTelegramTelegramMessagesList MessagesgetTextpostChannelsList ChannelsgetGet ChannelgetCreate ChannelpostUpdate ChannelpatchDelete ChanneldeleteContactsList ContactsgetGet ContactgetDelete ContactdeleteWebhooksMessage ReceivedViber BotViber BotMessagesList MessagesgetTextpostImagepostVideopostFilepostStructurepostStructure - Horizontal ScrollpostButtonsMetadataChannelsList ChannelsgetGet ChannelgetCreate ChannelpostUpdate ChannelpatchDelete ChanneldeleteContactsList ContactsgetGet ContactgetDelete ContactdeleteWebhooksMessage ReceivedMessages DeliveredMessages ReadMessage FailedMessage EchoPostback ReceivedViber Business MessagesViber Business MessagesMessagesList MessagesgetTextpostImagepostStructurepostButtonsMetadataChannelsList ChannelsgetGet ChannelgetCreate ChannelpostUpdate ChannelpatchDelete ChanneldeleteContactsList ContactsgetGet ContactgetDelete ContactdeleteWebhooksMessage ReceivedMessages DeliveredMessages ReadMessage FailedMessage EchoWhatsAppWhatsAppMessagesHandling Message ErrorsList MessagesgetTextpostFormatting in Text MessagesImagepostAudiopostFilepostVideopostLocationpostStructurepostQuick RepliesTemplatesSending TemplatesTextpostChannelsList ChannelsgetGet ChannelgetCreate ChannelpostContactsList ContactsgetGet ContactgetDelete ContactdeleteWebhooksMessage ReceivedMessages DeliveredMessages ReadMessage FailedPostback ReceivedPowered by Contacts Contact represents the Viber user. Contact is automatically created whenever you send a message to a new phone number.
