• Android

LINE SDK for Android 4.0.6 released

The LINE SDK for Android version 4.0.6 has been released. For more information on downloading the LINE SDK, see below.


  • Fixed an infinite loading indicator problem that occurs when the user presses the back button while the LINE app's passcode prompt is on screen.

We will continue to provide improvements so that you can code more easily.

  • LINE Login

LINE Login v2.1 released

We have released LINE Login v2.1 which provides new features to make it easier for you to implement a login feature to your application. The new version adds support for the OpenID Connect 1.0 specification which is an identity layer on top of OAuth 2.0.

Here are some of the key changes.

ID tokens

With LINE Login 2.1, you'll be able to get ID tokens which contain user profile information when you retrieve the access token. This means that you no longer need to send a separate request to retrieve a user's profile information.

For more information, see ID tokens.

Login sessions

In version 2.1, when users are redirected to the authorization endpoint, we'll be able to check the login session to determine if the user is logged in to LINE or not. If users are logged in to LINE and their browsing session is valid, they will not be required to enter their email and passwords to log in.

For more information, see Authentication and authorization process.

Updated endpoints

We have updated our authorization endpoints where you can use the new version 2.1 features. You can find more detailed information on the following pages.

Note: You'll still be able to use our LINE Login v2 endpoints.

  • Docs
  • Console

Introducing the redesigned LINE Developers site

We are excited to introduce our new, redesigned LINE Developers site. We hope that this update will improve the experience for developers, making it easier to use our products (such as LINE Login and Messaging API) and to find the documentation that you need. Here, we'll take you through some of the key changes to the site.

LINE Developers console

Console top

The new and improved "LINE Developers console" makes it easier to create and manage your channels. You can login to the console to register a developer account, create a provider, and create channels for Messaging API and LINE Login.

If you have created channels on the LINE Business Center (discontinued on September 21, 2017), you'll be able to see and manage the channels from the LINE Developers console. Note that "Enterprises" on the LINE Business Center are called "Providers" on the LINE Developers console.

When creating a new Messaging API channel, you no longer need to go to the "Messaging API Settings" page of the LINE@ Manager to enable API features and configure settings. Those settings are now available on the "Channel settings" page of the console. However, you will still need to use the LINE@ Manager if you want to configure a rich menu and account page for your bot.

For information on how to create new channels for LINE Login and Messaging API, see the links below.

Homepage and product overviews

We've overhauled our homepage and have made it easier to access the console, documentation, and news. We've also added product overview pages for LINE Login and Messaging API to the site.

Documentation updates

We have updated our documentation structure, integrated our API reference docs into the site, and revised our existing documentation.


Our documentation is now organized into the categories listed below, each with their own sidebars. You can also easily browse the documentation available from the Documentation overview page.

  • LINE Login
  • Messaging API
  • iOS SDK
  • Android SDK
  • Social API

In addition, you can find the links to the LINE Social Plugins and LINE Notify websites.

Reference documentation

Our API and SDK reference documentation has been updated and integrated into the site. The existing reference documentation at will no longer be updated and discontinued in around one month. For the latest reference information, please use the new pages below.

New and updated documentation

We have added various new articles for the Messaging API and have made updates to various other documents. Check out some of the new and updated articles below.

Enterprise documentation

Our existing enterprise-facing content (Business Connect, mission stickers, link messages) has been separated from our public-facing content. If you are a partner and require access to the enterprise documentation, please contact your LINE representative for information.


We have a new frequently asked questions (FAQ) section where you can find answers to questions about LINE Login and Messaging API. Note that the questions from the line-bot-faq GitHub repository have been integrated into the FAQ section.


We will continue to make improvements to the LINE Developers site and our developer documentation to make it easier for you to develop apps using our products.

If you want to keep up-to-date with our latest developments, add the LINE Developers official account as a friend on LINE using the QR code or the button below.

LINE Developers account QR code

Add friend

  • Maintenance

LINE Developers site redesign and maintenance

To improve the experience for developers and to make the process of creating channels for the Messaging API and LINE Login easier, we will be releasing a new redesigned site on September 21, 2017. Please note that the LINE Developers site will be unavailable at the following date and time.

Date: September 21, 2017
Time: 11:00–17:00 JST (GMT+9)

Upcoming changes to the site

The following are some of the major changes that will be made to the site.

  • New look and feel of the website
  • More streamlined process for creating channels through the LINE Developers console. (The LINE Business Center will be discontinued.)
  • The current API reference ( page will be integrated into the LINE Developers site (
  • Updates to our developer documentation

We will provide more details of the changes when the new version of the site is released.

  • Template messages

New template message features released

We have released the following features for the Messaging API.

Image carousel template

The image carousel template lets you send multiple images in a single message that users can cycle through like a carousel. You can then set template actions for when an image is tapped.

For more information, see the image carousel reference.

Datetime picker action

With the datetime picker template action, you can provide an easy way for users to pick a date and time without having to type it in manually. The datetime picker action can be used in any type of template message and returns a postback event when the action is tapped.

Note: The datetime picker action is supported on LINE app versions iOS 7.9.0 and Android 7.12.0 and higher.

For more information, see the datetime picker action reference.

  • Group

Get user IDs and profiles of group and room members

We’ve released resources for the Messaging API which lets you get the user IDs and LINE user profiles of the members of a group or room that your bot is in.

For more information on how to use these resources, see the API reference items below.

  • Android

LINE SDK for Android 4.0.5 released

The LINE SDK for Android version 4.0.5 has been released. For more information on downloading the LINE SDK, see below.


  • Fixed an issue where a runtime error occurs upon calling startActivityForActivity with a login intent when using appcompat version 25.0.0 or higher.

We will continue to provide improvements so that you can code more easily.

  • Messaging API

LINE Bot SDK for Node.js released

We have released the LINE Bot SDK for Node.js. This makes it easier for you to to build a bot on LINE with Node.js using the Messaging API.

See the LINE Bot SDK repository below.

For more information on how to use the LINE Bot SDK for Node.js, see the documentation.

  • Android

LINE SDK for Android 4.0.4 released

The LINE SDK for Android version 4.0.4 has been released. For more information on download the LINE SDK, see below.


  • Made a minor change to the SDK's authentication logic to fix a problem where onActivityResult does not get executed during app-to-app login.
  • Fixed a known issue in 4.0.2 where onActivityResult returns a result of "CANCEL" on the first time that a user logs into an application using app-to-app login.

We will continue to provide improvements so that you can code more easily.