Tips for Developers

Flex Messages let you create flexible layouts without relying on images. When you focus on appearance, you may overlook how recipients will use the message. This article shows settings you may overlook when you implement Flex Messages. It a...

Flex Messages let you create flexible layouts without relying on images. However, line breaks and the amount of visible text may differ even when you use the same JSON. The result depends on the device's screen width, OS, LINE app version, ...

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 ...

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...

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...

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...

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...

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...