The document discusses new features added to the LINE Messaging API, including new message types like buttons, confirm, and carousel templates that provide richer interactive experiences. It also describes how the new API allows bots to participate in groups and receive events via webhook, expanding bot capabilities beyond one-on-one messaging. Developers are encouraged to begin coding bots that take advantage of the updated API.

3. BOT API Trial
Sending Messages
• Text
• Image
• Video
• Audio
• Location
• Sticker
• Rich Message

4. BOT API Trial
Sending Messages
• Text
• Image
• Video
• Audio
• Location
• Sticker
• Rich Message

5. BOT API Trial
Sending Messages
• Text
• Image
• Video
• Audio
• Location
• Sticker
• Rich Message

6. BOT API Trial Problems
Complexity of features with rich UI/UX
Need to send message one-by-one in order to
receive response from users
Cannot join group
Etc…
API is complex

8. LINE BOT & Messaging API
New Message
API
Added new
MessageType
Events that
can be accepted
via webhook
Participation
in groups
New features added to LINE Bot

9. New Messaging API

10. New Messaging API
LINE Chat
(1-on-1 or group)
1. Reply API
LINE Server Bot Application
LINE
Message
Your System
Webhook
Reply ID

11. New Messaging API
LINE Chat
(1-on-1 or group)
1. Reply API
LINE Server Bot Application
LINE
Message
Your System
Webhook
Reply ID
Message Reply
With reply ID

12. New Messaging API
LINE Server
2. Push API
LINE Chat
(1-on-1 or group)
Bot Application
LINE
Message
Your System
Push
with
user ID /
group ID

13. BOT API Trial Message API
curl -X POST ¥
-H 'Content-Type: application/json' ¥
-H 'X-Line-ChannelID: <Channel ID>' ¥
-H 'X-Line-ChannelSecret: <Channel Secret>' ¥
-H 'X-Line-Trusted-User-With-ACL: <Channel MID>' ¥
-d '{
"to":["userId1"],
"toChannel":1383378250,
"eventType":"138311608800106203",
"content":{
"contentType":1,
"toType":1,
"text":"Hello, Jose!"
}
}’ https://trialbot-api.line.me/v1/events

14. BOT API Trial Message API
curl -X POST ¥
-H 'Content-Type: application/json' ¥
-H 'X-Line-ChannelID: <Channel ID>' ¥
-H 'X-Line-ChannelSecret: <Channel Secret>' ¥
-H 'X-Line-Trusted-User-With-ACL: <Channel MID>' ¥
-d '{
"to":["userId1"],
"toChannel":1383378250,
"eventType":"138311608800106203",
"content":{
"contentType":1,
"toType":1,
"text":"Hello, Jose!"
}
}’ https://trialbot-api.line.me/v1/events
Too many Bot Info
Fixed Magic Number
Unknown value
Fixed Magic Number

15. New Messaging API
curl -X POST ¥
-H "Content-Type:application/json" ¥
-H "Authorization: Bearer <Access Token>" ¥
-d '{
"to": "userId or groupId",
"messages": [
{"type": "text", "text": "Hello LINE Bot" }
]
} ' https://api.line.me/v2/bot/message/push

16. New Messaging Type

17. New Message Type
Buttons Template

18. {
"type": "template",
"altText": "this is an template",
"template": {
"type": buttons",
"thumbnailImageUrl":
"http://example.com/image.jpg",
"title": "Current Weather…",
"text": "9/29 Weather…",
"actions": [{
"type": "message",
"label": ”How about…",
"text": "How about…"
}, {
"type": "uri",
"label": ”Open Browser",
"uri": "https://line.me"
}]
}
}

19. {
"type": "template",
"altText": "this is an template",
"template": {
"type": buttons",
"thumbnailImageUrl":
"http://example.com/image.jpg",
"title": "Current Weather…",
”text": "9/29 Weather…",
"actions": [{
"type": "message",
"label": ”How about…",
"text": "How about…"
}, {
"type": "uri",
"label": ”Open Browser",
"uri": "https://line.me"
}]
}
}

20. {
"type": "template",
"altText": "this is an template",
"template": {
"type": buttons",
"thumbnailImageUrl":
"http://example.com/image.jpg",
"title": "Current Weather…",
"text": "9/29 Weather…",
"actions": [{
"type": "message",
"label": ”How about…",
"text": "How about…"
}, {
"type": "uri",
"label": ”Open Browser",
"uri": "https://line.me"
}]
}
}

21. {
"type": "template",
"altText": "this is an template",
"template": {
"type": buttons",
"thumbnailImageUrl":
"http://example.com/image.jpg",
"title": "Current Weather…",
”text": "9/29 Weather…",
"actions": [{
"type": "message",
"label": ”How about…",
"text": "How about…"
}, {
"type": "uri",
"label": ”Open Browser",
"uri": "https://line.me"
}]
}
}

22. New Message Type
Confirm Template

23. {
"type": "template",
"altText": "this is an template",
"template": {
"type": “confirm”,
"text": "Are you sure?",
"actions": [{
"type": "message",
"label": "OK",
"text": "Yes, Please"
}, {
"type": "message",
"label": ”Cancel",
"text": "No thank you"
}]
}
}

24. New Message Type
Carousel Template

25. {
"type": "template",
"altText": "this is an template",
"template": {
"type": "carousel",
"columns": [{
"thumbnailImageUrl”:"http://…",
"title": "Current Whether…",
”text": "9/29 Whether…",
"actions": [ ... ]
}, {
"thumbnailImageUrl”: "http://…",
"title": "Current Whether…",
"text": "9/30 Whether…",
"actions": [ ... ]
}
]}
}

26. {
"type": "template",
"altText": "this is an template",
"template": {
"type": "carousel",
"columns": [{
"thumbnailImageUrl”:"http://…",
"title": "Current Whether…",
”text": "9/29 Whether…",
"actions": [ ... ]
}, {
"thumbnailImageUrl”: "http://…",
"title": "Current Whether…",
"text": "9/30 Whether…",
"actions": [ ... ]
}
]}
}

27. {
"type": "template",
"altText": "this is an template",
"template": {
"type": "carousel",
"columns": [{
"thumbnailImageUrl”:"http://…",
"title": "Current Whether…",
”text": "9/29 Whether…",
"actions": [ ... ]
}, {
"thumbnailImageUrl”: "http://…",
"title": "Current Whether…",
"text": "9/30 Whether…",
"actions": [ ... ]
}
]}
}

28. {
"type": "template",
"altText": "this is an template",
"template": {
"type": "carousel",
"columns": [{
"thumbnailImageUrl”:"http://…",
"title": "Current Whether…",
”text": "9/29 Whether…",
"actions": [ ... ]
}, {
"thumbnailImageUrl”: "http://…",
"title": "Current Whether…",
"text": "9/30 Whether…",
"actions": [ ... ]
}
]}
}

29. Now’s the Time to Begin Coding!!

31. Webhook
LINE Chat
(1-on-1 or group)
LINE Server Bot Application
LINE
Message
Your System
Webhook
LINE Chat
(1-on-1 or group)
Event
{ "events": […] }

32. event
contact status
“follow” “unfollow”“message”
• Text
• Image
• Location
• Sticker
• Contact

33. event
contact status
“follow” “unfollow”
group status
“join” “leave”
“beacon” “postback”
“message”
• Text
• Image
• Location
• Sticker
• Contact

34. Postback?
Send Event to Your Server Directly with Parameters.
{
"replyToken": “xxxxxxxxxx",
"type": "postback",
"timestamp": 1462629479859,
"source": {
"type": "user",
"userId": "xxxxxxxxxxxx"
},
"postback": {
"data": "action=remind&itemId=123",
}
}
Bot Application
Webhook

35. Let’s Implement Bot Server!!

38. Summary
New Message
API
Added new
Message Type
Events that
can be accepted
via webhook
Participation
in groups
New features added to Messaging API