Hello! I’m Oka from the Technical Support team. When developing a LIFF app, do you ever find the initial setup, preparation of a local development environment, or debugging to be time-consuming or cumbersome? The LIFF CLI is a tool designed...

Hello! I'm Oka from the technical support team. Have you ever struggled to verify the behavior of a LIFF app in a local development environment? When developing standard web applications, you typically start a local development server and a...

Hi! I’m Okajima, a technical writer in charge of documentation for the LINE Developers site. You can use the liff.requestFriendship() method to prompt users to add a LINE Official Account as a friend in a LIFF app or LINE MINI App. The liff...

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 Furuki, a technical writer. The LIFF SDK used in LIFF apps and LINE MINI Apps continues to gain new methods. In this article, I'd like to introduce the liff.requestFriendship() method, added on March 24, 2026, as one of my favori...