Line Message API Automation: Auto-Reply and Push Notifications
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This n8n workflow empowers you to automate interactive communication on Line. Instantly reply to incoming messages with a customizable echo, and manually send targeted push notifications to your Line users for enhanced engagement.
About This Workflow
This versatile n8n workflow provides a robust solution for managing Line message interactions. It features two distinct, powerful functionalities: an automatic message responder and a manual push notification sender. The automatic responder uses a webhook to detect incoming Line messages, intelligently filters for actual message events, and then crafts an immediate reply echoing the user's input. The manual sender allows you to initiate direct push messages to specific Line User IDs, ideal for targeted announcements or personalized alerts. This workflow simplifies Line API integration, enabling efficient and responsive communication strategies without writing a single line of code.
Key Features
- Instant Line Message Auto-Reply: Automatically respond to incoming Line messages with customizable text.
- Intelligent Event Filtering: Ensures replies are only sent for actual message events, ignoring other Line interactions.
- Targeted Push Notifications: Manually trigger and send push messages to individual Line User IDs for personalized communication.
- Seamless Line API Integration: Leverages n8n's HTTP Request node for straightforward interaction with the Line Messaging API.
- Modular and Extendable: Designed with clear separation between reply and push functionalities, making it easy to adapt and expand.
How To Use
- Set up Line Channel Access Token: Ensure you have a valid Line Channel Access Token from your Line Developers console. Create an n8n HTTP Header Auth credential, setting
Authorizationas the header name andBearer YOUR_CHANNEL_ACCESS_TOKENas the header value. The existingLine n8n demo authcredential will use this. This is essential for both reply and push functionalities. - Configure Line Webhook: Activate the "Webhook from Line Message" node. Copy its unique webhook URL. In your Line Developers console for your messaging API channel, paste this URL into the "Webhook URL" field and enable "Use webhook".
- Test Automatic Reply: Send a message to your Line channel. The workflow will automatically detect the message, pass it through the 'If' node (checking for message type), and then send an immediate reply echoing your original message.
- Configure Push Notification (Optional): To test the push message functionality:
- In the "Edit Fields" node, replace the placeholder
Uxxxxxxxxxxxxwith the actual Line User ID (UID) of the recipient you wish to send a push message to. - Modify the
jsonBodywithin the "Line : Push Message" node to change the message content from "推播測試" (Push Test) to your desired text. - Manually execute the "When clicking ‘Test workflow’" node to trigger and send the customized push message to the specified UID.
- In the "Edit Fields" node, replace the placeholder
Apps Used
Workflow JSON
{
"id": "2ef840e3-860d-4d09-922a-393be5d50883",
"name": "Line Message API Automation: Auto-Reply and Push Notifications",
"nodes": 15,
"category": "Marketing",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
Get This Workflow
ID: 2ef840e3-860d...
About the Author
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Integration Guru
Connecting CRM, Notion, and Slack to automate your life.
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