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Send tokens, not profile data, to your server
2026/08/13
When integrating LINE Login or developing a LINE MINI App, you may notice that you can get profile information such as an end user's user ID and display name. It might seem that you can send the profile information to your service's server ...
LINE Login
LIFF
LINE MINI App
Where do LIFF apps run? Understanding behavioral differences across execution environments
2026/08/06
Hello! I’m Oka from the technical support team. In this edition of "Tips," I’ll be introducing the LIFF execution environment. Have you ever developed a LIFF app and been puzzled because it works in your PC's browser but behaves differently...
LIFF
liff.ready lets you wait for liff.init() completion from anywhere, with one caveat
2026/07/30
In this article, we'll introduce liff.ready, a modest but handy property, and a caveat you should know about when using it. Where to wait for liff.init() to complete In a LIFF app, many methods, such as the liff.getProfile() method, can onl...
LIFF
Points to check when using the Messaging API from multiple tools with a single LINE Official Account
2026/07/23
You may want to add another tool that uses the Messaging API to a LINE Official Account that already uses the Messaging API. For example, you may want to add a tool that manages rich menus to a LINE Official Account that already uses a tool...
Messaging API
Parameters added to the LIFF URL should be read after liff.init()
2026/07/16
Did you know that you can add query parameters to LIFF URLs? In this article, we'll introduce a handy way to use parameters added to a LIFF URL, and a tip for reading them. You can add additional information to a LIFF URL You can add additi...
LIFF
Can I keep a LINE Official Account private until its release date?
2026/07/09
Hi, I'm Horikoshi. I'm a technical writer working on the documentation for the LINE Developers site. When setting up a new LINE Official Account for a store or service, you may want to keep the account private until its official release dat...
Messaging API
A small type trick implemented in the LIFF SDK's Pluggable SDK
2026/07/02
Hello! I'm odan, and I'm in charge of developing the LIFF SDK. In this article, I'll introduce a small type trick implemented in the LIFF SDK's Pluggable SDK. What is the Pluggable SDK? The standard LIFF SDK is imported as import liff from ...
LIFF
Provider design basics to check before creating a channel
2026/06/25
Before you create a channel on the LINE Developers Console, check which provider the channel should be created under. This is especially important when your company or organization uses the LINE Platform. You might create a new provider wit...
LINE Developers Console
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