Message types

Each KakaoTalk service offers different message types. Different rules may apply to each message type.

Alim Talk

To send a message using Alim Talk, you must use templates that are approved by Kakao Corp. Refer to the Deliverability and compliace for more information.

An Alim Talk message can consist of one of the following options:

• Text only
• Text + title
• Text + image
• Text + linked-type buttons
• Text + title + linked-type buttons
• Text + image + linked-type buttons

Text

Text messages support a maximum of 1,000 characters, including spaces, regardless of language. Supported languages are Korean and English.

Image

You can include images in an Alim Talk template.

To send an image using Alim Talk, follow these guidelines.

• Do not include promotional content in the image.
• Upload the image to the Kakao server during template registration.
• After the template is approved, you cannot modify the image or use a different image for that template.

Images must follow the specifications shown in the table below:

	Image
Recommended size	800 px * 400 px
Size limit	If the width is less than 500 px or if the aspect ratio is not 2:1, upload is not allowed
File format	.jpg, .png
File size (max)	500 KB

Linked-type button

You can include up to five buttons in each message. Each button can be of a different type. The following table provides information about the types of buttons that can be included in the text message.

Button name	Purpose	Description
WL	Web link	Launches a web page either in the KakaoTalk in-app browser or in an external browser if you add the relevant attribute
AL	App link	Runs the KakaoTalk app custom scheme
DS	Delivery tracking	Parses the name of the courier company and the invoice number from the message content, and launches the delivery inquiry page that the courier company provides
MD	Message delivery	Sends a text message, which contains the text on the button and the message body, from the end user
BK	Bot keyword	Sends a text message, which contains the text on the button, from the end user
BT	Chatbot switch	Switches from the current chatbot to a different one

Chingu Talk

Messages sent through Chingu Talk do not need to be approved by Kakao Corp.

A Chingu Talk message can consist of one of the following options:

• Text: Send simple text messages.
• Image: Share visual content.
• Commerce: Feature product information, including prices and descriptions, to promote goods and services.
• Carousel: Present a series of images or items that users can swipe through to showcase multiple products or offers.
• Carousel commerce: A specialized carousel format focused on commerce, allowing you to display products with pricing and purchasing options.
• Premium video: Share high-quality video content to create more engaging and dynamic interactions with users.
• Item list: Display a list of items to showcase product catalogs or multiple options.

Various rules apply to media assets, text character limitations, the number of buttons, button types, and coupons. To send a message with an image, first upload the image to the Kakao server and register it using the Alim Talk admin web interface. Alternatively, use the Infobip KakaoTalk Channel configuration under Media Library. Images must follow the defined specification. All these limitations are described in the below table.

Message types and specifications

Message type	Character limits*	Buttons	Media asset**	Requirements
Text	1,000 characters	Up to 5 buttons are allowed.	-	-
Image (narrow)	400 characters	Up to 5 buttons are allowed.	Recommended width: 500 px Ratio: x:y, from 2:1 to 3:4	-
Image (wide)	76 characters	Up to 2 buttons are allowed.	Recommended width: 800 px Recommended height: 600 px	-
Item list	Header and first item title: 25 characters Second, third and fourth item: 30 characters	Up to 5 buttons are allowed.	Recommended width: 500 px Ratio: x:y, from 2:1	Multiple item lists can be sent in one speech bubble. Each list must have 3 to 4 items. Header information is required.
			Recommended width: 500 px Ratio: x:y, from 1:1
Commerce	Title: 30 characters Description: 34 characters Additional information (additionalContent): 34 characters	At least 1 button (up to 2).	Recommended width: 500 px Ratio: x:y, from 2:1 to 3:4	Additional content is optional.
Carousel	Header: 20 characters Body text: 180 characters	Up to 2 buttons (one required per carousel).	Recommended width: 500 px Ratio: x:y, from 2:1 to 3:4	2 to 10 carousel items. Multiple speech bubbles can be added to the carousel parameter as a list.
Carousel commerce	Header: 20 characters Introduction text: 50 characters Commerce text: 180 characters			1 to 10 carousels if there is an introduction 2 to 10 if there is no introduction.
Premium video	Header: 20 characters Body text: 76 characters	Up to 1 button is allowed.	Video links must be for videos uploaded to Kakao TV (opens in a new tab).	Both header and text are optional.

* Including spaces, regardless of language. Supported languages are Korean and English.

** Supported file formats: .jpg, .png. Maximum file size: 5 MB.

Each message type supports adding a coupon.

Coupon

If you want to use a coupon within a text, narrow image, commerce, carousel, carousel commerce, or premium video message type, note that the coupon is limited to 12 characters. However, if you are sending a message with a wide image or a list item, then it is limited to 18 characters.

Coupons can be used in all message types. The title can have the following formats:

• "${number} won discount coupon" - The number should range from 1 to 99,999,999.

• "${number}% discount coupon" - The number should range from 1 to 100.

• "Shipping discount coupon"

  • "${7 characters or less} free coupon"
  • "${7 characters or less} UP coupon"

• For url_pc, url_mobile, scheme_android, and scheme_ios, the required values ​depend on the case:

1. Default

   • url_mobile is a required value.
   • All other URL-related fields are optional.

2. Using a channel coupon URL (format: alimtalk=coupon://):

   • Either scheme_android or scheme_ios is required.
   • All other URL-related fields are optional.

Linked-type button

The number of buttons you can include in a message depends on the message type, ranging from one to five different buttons. Narrow image and item list messages support up to five buttons, while wide image, commerce, carousel, and carousel commerce messages allow up to two buttons. For premium video messages, only one button is allowed.

You can include up to five buttons in each message. Each button can be of a different type. The following table provides information about the types of buttons that can be included in the message.

Button name	Purpose	Description
WL	Web link	Launches a web page either in the KakaoTalk in-app browser or in an external browser if you add the relevant attribute
AL	App link	Runs the KakaoTalk app custom scheme
MD	Message delivery	Sends a text message, which contains the text on the button and the message body, from the end user
BK	Boty keyword	Sends a text message, which contains the text on the button, from the end user

Kakao Chingu in our Broadcast solution only supports Web link and App link button types.

Sangdam Talk

Outbound messages

Text

Text messages are limited to 1,000 characters, including spaces, regardless of language. Supported languages are Korean and English.

Image

To send either an image or an image for linked-type buttons, first upload the image to the Kakao server.

Images must follow the specifications shown in the table below.

	Image	Image for linked-type button
Recommended size		720 px * 720 px
Size limit		If the width is less than 500 px, or if the aspect ratio is either less than 2:1 or exceeds 3:4, upload is not allowed
File format	.jpg, .png, .gif	.jpg, .png
File size (max)	5 MB	0.5 MB

Linked-type button

You can include up to five buttons in each message. Each button can be of a different type. The following table provides information about the types of buttons that can be included in the text message.

Button name	Purpose	Description
WL	Web link	Launches a web page either in the KakaoTalk in-app browser or in an external browser if you add the relevant attribute
AL	App link	Runs the KakaoTalk app custom scheme
MD	Message delivery	Sends a text message, which contains the text on the button and the message body, from the end user
BK	Bot keyword	Sends a text message, which contains the text on the button, from the end user

Inbound messages

An inbound Sangdam Talk message can consist of the following:

• Text
• Image
• Video
• Audio

Media must follow the specifications shown in the table below.

	Image	Video	Audio
File format	.jpg, .jpeg, .gif, .bmp, .png, .tiff	.mp4, .m4v, .avi, .asf, .wmv, .mkv, .ts, .mpg, .mpeg, .mov, .flv, .ogv	.mp3, .wav, .flac, .tta, .tak, .aac, .wma, .ogg, .m4a
File size (max)	Mobile: 15 MB PC: 300 MB	300 MB	PC: 300 MB
Duration (max)		5 minutes when recording using KakaoTalk	Mobile: 5 minutes