Why am I unable to send a KakaoTalk Brandmessage message to a user?

There are a number of possible reasons why a KakaoTalk Brandmessage message is not delivered to a KakaoTalk user and/or returns an  error:

• The user has not added the channel as friends. KakaoTalk Brandmessages can only be sent to user who has added the channel as friends. To be a friend of a KakaoTalk channel, go to the Channel tab and click the Add Channel button to the right of the KakaoTalk channel name:

  

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• The user has not used KakaoTalk for a while.
• The user has deactivated KakaoTalk push messages.
• The user does not have the minimum KakaoTalk version or unsupported device.
• The message was sent after 9PM and before 8AM Korean time.

Learn more

• Find out more about the Sinch KakaoTalk for Business channel.
• Sinch Developer Documentation site contains comprehensive documentation and tutorials, which show you how we support KakaoTalk using the Sinch Conversation API.
• Product Information.