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# Messaging API

# API reference

Messaging API

# Development guidelines

Development guidelines

# Quickstart

Overview

Messages types

Getting started with the Messaging API

Channel access tokens

Issuing a channel access token v2.1

Building a sample bot

Building a bot

# Guides

Receiving messages (webhook)

Sending messages

Using audiences

Using quick replies

Using rich menus

Using LINE features with the LINE URL scheme

Using beacons

Sharing your LINE Official Account with users

Linking user accounts

Change icon and display name

Retrying a failed API request

# Flex Message

Sending Flex Messages

Flex Message elements

Flex Message layout

(Tutorial) Using Flex Message Simulator

Flex Message Simulator

# Concepts

Actions

Group chats

User consent

# Reference

LINE Beacon device specification

# Resources

Messaging API SDKs

Release notes

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