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# Messaging API

# API reference

Messaging API

# Development guidelines

Messaging API development guidelines

# Quickstart

Messaging API overview

Messages types

Getting started with the Messaging API

Issue a channel access token v2.1

Build a bot

# Guides

Sending messages

Character counting in a text

Getting user IDs

Stickers

LINE emoji

Use audiences

Use quick replies

Get statistics per aggregation unit

Use LINE features with the LINE URL scheme

Using beacons

Sharing your LINE Official Account with users

Linking user accounts

Change icon and display name

Get quote tokens

Retrying a failed API request

Stop using your LINE Official Account

Stop using the Messaging API

Tutorial - Make a reply bot

# Webhooks

Receiving messages (webhooks)

Verify webhook URL

Check webhook error causes and statistics

SSL/TLS specification of the webhook source

# Rich menus

Rich menus overview

Use rich menus

Use per-user rich menus

Switch between tabs on rich menus

Play with rich menus

# LINE Bot Designer

Using LINE Bot Designer

Download LINE Bot Designer

# Flex Message

Send Flex Messages

Flex Message elements

Flex Message layout

Create a Flex Message including a video

Tutorial - Using Flex Message Simulator

Flex Message Simulator

# Concepts

Actions

Group chats and multi-person chats

Consent on getting user profile information

# Reference

LINE Beacon device specification

# Resources

Messaging API SDKs

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