LINE Marketing Explained: Broadcasts, Rich Menus & LINE Ads

Most international marketing frameworks treat messaging apps as an afterthought to email or SMS. In Thailand, that ordering is backwards. LINE is where a large share of Thai customers already do their day-to-day communication, and for ecommerce specifically, it's frequently the channel where a browsing customer turns into a buying one — through a real conversation, not another ad impression. LINE marketing isn't a nice-to-have layered on top of a Thai marketing plan; for a lot of businesses here, it's closer to the center of it.

LINE Official Account: the foundation

Everything else builds on a properly configured LINE Official Account — verified, with a clear business profile, and set up to actually route customer messages somewhere a real person (or a well-configured chatbot) responds quickly. A slow or unmanned LINE OA is worse than not having one: customers message expecting a fast reply because that's the norm on the platform, and an account that goes quiet for hours reads as a business that isn't really there.

Auto-reply and keyword triggers do real work outside office hours

LINE's built-in auto-reply and keyword-trigger features let common questions — hours, shipping cost, whether a product is in stock — get answered instantly, at 2am, without a human on the other end. Done well, this isn't a replacement for real conversation, it's a filter: routine questions get handled automatically, freeing a human to actually respond to the messages that need judgment rather than repeating the same shipping answer for the fortieth time that day. Done badly — a rigid bot that can't hand off to a person, or one so eager to auto-reply it talks over a genuine question — it does the opposite, and trains customers to distrust the channel.

Broadcasts: the highest-attention channel most businesses under-use

A LINE broadcast lands directly in a customer's chat list, not a crowded inbox competing with dozens of other unread emails — which is a large part of why LINE broadcast open rates tend to run well ahead of typical email marketing. That attention is worth protecting: broadcasts sent too often, or with content that isn't genuinely useful to the recipient, train customers to ignore them or block the account entirely. Used well — real promotions, genuinely useful updates, not filler — broadcasts are one of the highest- converting channels available to a Thai ecommerce business, precisely because the attention they get is real.

Segmentation turns a broadcast list into several better ones

Sending the same broadcast to every follower — a new customer, a five-time repeat buyer, someone who added to cart and never checked out — wastes the precision LINE actually offers. Tagging followers by purchase history or engagement, and targeting messages to the segment they're actually relevant to, both improves the response rate and reduces the churn of followers muting or blocking an account that keeps sending them irrelevant offers. This takes more setup discipline than a single broadcast to everyone, and it's usually worth it once a follower base passes a few thousand.

Rich menus: a permanent storefront inside the chat

The rich menu — the tappable image grid pinned to the bottom of a LINE chat — functions as a small, persistent storefront a customer can return to without leaving the conversation: shop, track an order, reach support, browse a catalogue. It's easy to treat as decoration and easy to get wrong by cramming in too many options; the ones that work best usually route to three or four clear actions rather than trying to be a full sitemap compressed into six tiles.

Coupons and stamp cards reward the behaviour that matters

LINE's built-in coupon and stamp-card features are a genuinely underused loyalty layer — a stamp card that rewards a fifth purchase, distributed and tracked entirely inside the app a customer already has open, removes the friction of a separate loyalty app or a physical card nobody carries. Combined with segmentation, this turns LINE from a broadcast channel into something closer to a lightweight CRM, with retention mechanics built in rather than bolted on.

LINE Ads: paid reach on top of an owned channel

Where broadcasts and the rich menu work an existing audience — people who've already added the account — LINE Ads extend reach to people who haven't yet, showing up across the LINE ecosystem including its news feed and content network. This is genuinely useful for growing the follower base a broadcast strategy depends on, but it's worth being clear-eyed that LINE Ads are an acquisition channel feeding an owned one, not a replacement for either Google or Meta in a broader paid media plan.

Where LINE fits against the rest of the funnel

A workable way to think about it: Google and Meta generally do the work of finding new customers and creating demand; LINE is where a large share of those customers actually finish the conversation, ask the question that decides whether they buy, and — done well — come back for a second and third purchase without another ad ever being shown to them. Treating LINE as a retention and conversion channel layered under acquisition-focused paid media, rather than a competing line item fighting the same budget, is usually the more accurate model of how a Thai customer's journey actually works.

Getting started with LINE marketing

1. Get the Official Account fundamentals right first — fast response times, a complete profile — before investing in broadcasts or ads.
2. Set up auto-reply for routine questions so a human's time goes to conversations that actually need judgment.
3. Use broadcasts sparingly and well, reserving them for content genuinely worth a customer's attention rather than routine noise.
4. Segment the follower list once it's large enough to matter, rather than sending every message to everyone.
5. Design the rich menu around three or four clear actions, not every possible link on the site.
6. Use coupons and stamp cards to build repeat-purchase habits inside the channel customers already have open.
7. Use LINE Ads to grow the follower base broadcasts and the rich menu depend on, understanding it as a feeder channel rather than a standalone funnel.
8. Measure LINE by conversation and repeat purchase, not just follower count — the number that matters is how many of those followers actually buy, and buy again.

LINE isn't a channel that competes for attention with Google and Meta so much as one that catches the customer those channels found, at the exact moment they're deciding whether to trust a business enough to buy from it.