# Messaging API

Messaging API

Messaging API development guidelines

Messaging API overview

Messages types

Get started with the Messaging API

Issue channel access token v2.1

Build a bot

Send messages

Character counting in a text

Get user IDs

Stickers

LINE emoji

Use audiences

Use quick replies

Get statistics of sent messages

Use LINE features with the LINE URL scheme

Use beacons with LINE

Gain friends of your LINE Official Account

User account linking

Customize icon and display name

Display a loading animation

Use membership features

Get quote tokens

Retrying a failed API request

Stop using your LINE Official Account

Stop using the Messaging API

Tutorial - Make a reply bot

Receive messages (webhook)

Verify webhook URL

Check webhook error causes and statistics

SSL/TLS specification of the webhook source

Rich menus overview

Use rich menus

Use per-user rich menus

Switch between tabs on rich menus

Play with rich menus

Using LINE Bot Designer

Download LINE Bot Designer

Send Flex Messages

Flex Message elements

Flex Message layout

Create a Flex Message including a video

Tutorial - Using Flex Message Simulator

Actions

Group chats and multi-person chats

Consent on getting user profile information

LINE Beacon device specification

Sample code and data for generating secure messages

LINE Messaging API SDKs