BOT API

Messaging API

Use the Messaging API to provide your service through a LINE chat.
Unleash the power of the Messaging API to give personalized services to each of your users.

Start using Messaging API Start using Developer Trial

Messaging API Overview

The Messaging API offers functionality to enable two-way communication between your service and LINE users.

Developer Documentation

How It Works

The Messaging API relays data between your server and the LINE app through LINE's servers.
Requests are sent using a JSON APIs.

Push API and Reply API

The Push API lets you use a bot to send messages directly to users when you want,
while the Reply API allows you to respond to user messages.

1-on-1 and Group Chats

Send messages to users who have friended your account, and receive messages from them as well.
You can even send messages in groups that have added your account.

The Perfect Message Type for Every Occasion

Multiple message types exist to help tailor your message for your service.
It's the perfect way to effectively engage your users.

Take Advantage of LINE BOT AWARDS

LINE aims to create a thriving ecosystem of accounts that take full advantage of the Messaging API's features.
Grand prix winners are eligible for up to JPY 10 million in prize money.
Put your ideas and skills to work and see where the Messaging API will take you.

Learn more about LINE BOT AWARDS

EXPAND YOUR INNOVATION

Plans

You can use the Messaging API for free.

Developer Trial 0USD Monthly Fee (Including Tax) Free 0USD Monthly Fee (Including Tax)
Messaging API Reply API
Push API
Limitations Maximum Friends 50 users -
Other Features LINE@ Features A variety of other features are also available.
See the LINE@ service overview for more details.
Options Premium ID First year: USD 24 | Second year onward: USD 12 per year
Developer Trial
0USD
Monthly Fee (Including Tax)
Messaging API Reply API
Push API
Limitations Maximum Friends 50 users
Other Features LINE@ Features A variety of other features are also available.
See the LINE@ service overview for more details.
Options Premium ID
Free
0USD
Monthly Fee (Including Tax)
Messaging API Reply API
Push API
Limitations Maximum Friends -
Other Features LINE@ Features A variety of other features are also available.
See the LINE@ service overview for more details.
Options Premium ID First year: USD 24 | Second year onward: USD 12 per year
  • The LINE@ app and 1-on-1 chats cannot be used for accounts that use the Messaging API.
  • It is not possible to switch from a Developer Trial plan to another plan or purchase Premium IDs with it.