Tips for Developers

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...

Hi! I’m Okajima, a technical writer in charge of documentation for the LINE Developers site. Have you ever read the LINE Developers documentation and thought, "Wait, did something change"? You can actually check the change history of the LI...

Have you ever used a LINE MINI App, tapped the Open in LINE button, and found that LINE didn't launch? If you're a LINE MINI App developer, you may also have received questions such as, "I can't open the MINI App from Facebook." This kind o...

With Flex Messages, you can create flexible and advanced messages based on the CSS Flexible Box (CSS Flexbox) specification. Flex Messages let you send message designs that are difficult to express with traditional message types, without re...

Hello! I'm Zenigami, a technical writer. Are you using the Messaging API SDKs provided by LY Corporation? Previously, SDK updates corresponding to new Messaging API features were done manually. By switching to automatic generation using Ope...

When sending messages via LINE Official Accounts, there are use cases where users want to revisit the information later. In this article, we’ll introduce key points for implementing a bookmark feature using the LINE Platform, which allows u...

When developing with the LINE Platform, linking user IDs can significantly expand what you can build. For example, by linking user information in your service with LINE user information, you can simplify the login experience or deliver pers...

Hello! My name is Oka, and I’m part of the technical support team. Through handling technical inquiries both inside and outside the company, I’ve come to appreciate how important it is to write in a way that clearly communicates your intent...