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Connect your app to LINE’s messaging platform to send notifications, build chatbots, and interact with users through LINE’s popular messaging service. Watch this step-by-step video tutorial to learn how to integrate LINE messaging:

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Overview

Create Developer Account

Sign up and configure your LINE Account Manager, LINE Official Account, and LINE Developer Account.

Get Channel Credentials

Create a LINE channel and obtain API keys

Verify Settings

Turn on these settings to have the best experience with LINE

Connect to Create

Add your credentials to Create’s secrets

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Account Setup

1

Create a LINE Official Account Manager

Go to https://manager.line.biz/ and sign up with your account
2

Create a LINE Official Account

Click “Create LINE official account” to continue
3

Link your LINE Account to LINE Developer

Once your account is created, you may now visit LINE Developer and click Log in to Console to link your LINE Official Account.

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Generate API Credentials

1

Creating a Provider

Click on “Create a new provider” to generate a provider for your Channel.
2

Enable Messaging API

Now go back to your LINE Official Account Manager. In the top right corner, click on “Setting”. Then, on the left panel, select “Messaging API” and “Enable Messaging API”. Be sure to select the provider mentioned previously.
These credentials grant full access to your LINE channel - keep them private
3

Finding Webhook URL

Find your webhook URL path in the Page and Function Settings under the Publish button. Copy the URL of your Create project’s live site and API path into the webhook URL.
4

Inputting Webhook URL

Input your webhook URL in your LINE Official Account Manager. It should be in the format of https:// your-create-project-url.created.app/api/line-messaging.
The function path “api/line-messaging” may be changed as well. If so, you may need to update the function path in your LINE Developer Console to match the function path in your Create project.
5

Channel Secret Token

You may copy your Channel Secret Token here as well.
6

Channel Access Token

Get your Channel Access Token by going to your LINE Developer Account > Provider Name > Messaging API > Scroll all the way down
7

Adding Tokens to Create

Enter and save your API tokens in Create

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Verify Settings

1

Verify Webhook URL

After publishing your project, you may verify your webhook URL by going to your LINE Developer Console > Provider > Channel > Messaging API
If you see a success message, your webhook URL is verified. Otherwise, you may need to check your webhook URL/function and try again.
2

Enable Chatbot Settings

Enable Chatbot Settings by going to your LINE Official Account Manager > Settings(Top Right) > Response Settings
3

Enable Chatbot to Join Group Chats (Optional)

Allow your chatbot to join group chats by going to your LINE Official Account Manager > Settings(Top Right) > Account Settings

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Add to Create Project

1

Add the Integration

  1. In your Create project, type / in chat
  2. Select “Line” from the menu
2

Add Your Credentials

  1. Paste Channel Secret into “LINE_CHANNEL_SECRET”
  2. Paste Access Token into “LINE_ACCESS_TOKEN”
Need new credentials? Regenerate in LINE Developer Console.
3

Start Building

Use prompts to implement LINE features:
  • Send order confirmation via /Line
  • Build a chatbot that uses /Line for customer support
  • Create a broadcast system with /Line
LINE API has rate limits - implement error handling for best reliability
LINE integration complete! Use /Line in chat to access messaging capabilities.

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Frequently Asked Questions

LINE Messaging API allows you to send messages, build chatbots, and interact with users through LINE’s messaging platform. It’s particularly popular in Asia and great for customer engagement.
Yes, you need a LINE Business/Developer Account to access the Messaging API. The basic account is free and sufficient for testing and development.
The webhook works by sending LINE encrypted messages to your Create project’s function URL when a message is typed in the Line app. This message triggers Function(s) that can send messages back to the user.
You can build:
  • Customer service chatbots
  • Order notification systems
  • Broadcast messaging tools
  • Interactive marketing campaigns
  • Automated response systems
Yes, LINE has API rate limits and message quotas. Free accounts have lower limits than paid business accounts. Check Line’s official documentation for current limits.
Yes, you can test your LINE integration by verifying your webhook URL returns a success message. Followed by talking to your bot on LINE to test the integration. Additonally, you may test responses from your bot by asking the AI chat to print the response and using the Function test runner.