Choosing the Right LINE Message UI: Confirm, Buttons, Quick Replies, Carousel, or Flex?

You are building a LINE customer flow and start with a confirm template. Then the requirements grow: Confirm Cancel Change address Contact support At this point, the problem is no longer “How can I add more buttons to a confirm template?” The real question is: Which LINE message type matches the decision the user needs to make? A LINE confirm template is intentionally limited to two actions. It is designed for one binary decision—not as a compact menu. When the flow needs more choices, move to a buttons template, quick replies, a carousel, or a Flex Message instead of forcing the confirm component beyond its intended shape. The short answer LINE message surface Best for Main interaction limit Confirm template One binary decision Two actions Buttons template A compact card with several primary actions Up to four actions Quick replies A temporary next-step menu Up to 13 quick reply buttons Carousel template Browsing repeated items Multiple s