What are reply messages and push messages? – Sinch

LINE Official Account can send various types of messages to users via two main messaging methods, reply messages and push messages:

Reply messages (Replies)

Reply messages are sent in response to user actions, such as LINE user is adding your LINE Official Account as a friend or initiating a message to your LINE Official Account. You have up to 1 minute to send a reply message without charge. Any subsequent messages after the first reply message or more than 1 min since the user's last user actions will be push messages.

Push messages

There are several types of push messages:

Push messages (one-to-one)
Multicast messages (one-to-many, targeting a list of user IDs)
Narrowcast messages (one-to-many, targeting a segmented list)
Broadcast messages (one-to-many, targeting all friends)

Only push messages (one-to-one) are supported by the Conversation API. You can send a push message under one of the following conditions:

Users who have added your LINE Official Account as a friend
Users who have sent a message to your LINE Official Account within 7 days in the one-to-one chat.

Learn more

Find out more about the Sinch LINE for Business Channel
Sinch Developer Documentation site contains comprehensive documentation and tutorials, which show you how we support LINE through the Sinch Conversation API.

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