Automate LINE & Google Account Linking with OAuth2 Authentication — n8n Workflow

Medium complexity🔗 Webhook9 nodes🏷️ Miscellaneousby s3110

Overview

LINE x Google Account Linking Workflow

This workflow automates the process of linking a new user on your LINE Official Account to their Google Account. When a user adds your LINE account as a friend, this workflow automatically sends them a message with a unique authentication link. After the user approves the connection, their Google profile information is fetched, and a confirmation message is sent, completing the loop.

Prerequisites

Before you begin, ensure you have the following:

An n8n

Nodes used

HTTP Request

Workflow Preview

Workflow 1: LINE Follow Event & Authenticatio
This workflow activates when a user adds your LINE Offi
Workflow 2: Google Auth Callback & Linking Co
This workflow serves as the redirect URI for Google's O
LINE x Google Account Linking Workflow
This workflow automates the process of linking a new us
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R
Redirect to LINE OA
Get Google Access Token
Get Google User Info
Send Completion Message …
I
If Follow Event
C
Create Google Auth URL
Send Auth Link to LINE
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L
LINE Webhook
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G
Google Auth Callback
9 nodes7 edges

How it Works

  1. 1

    Trigger

    The workflow starts with a webhook trigger.

  2. 2

    Process

    Data flows through 9 nodes, connecting httprequest, if, respondtowebhook.

  3. 3

    Output

    The workflow completes its automation and delivers the result to the configured destination.

Node Details (9)

HT

HTTP Request

httpRequest

#1

How to Import This Workflow

  1. 1Click Download JSON button on the right to save the workflow file.
  2. 2Open your n8n instance. Go to Workflows → New → Import from file.
  3. 3Select the downloaded automate-line-google-account-linking-with-oauth2-authentication file and click Import.
  4. 4Set up credentials for each service node (API keys, OAuth, etc.).
  5. 5Click Test Workflow to verify everything works, then activate it.

Or paste directly in n8n → Import from JSON:

{ "name": "Automate LINE & Google Account Linking with OAuth2 Authentication", "nodes": [...], ...}

Integrations

httprequestifrespondtowebhooksetwebhook

Get This Workflow

Download and import in one click

Download JSONView on n8n.io
Nodes9
Complexitymedium
Triggerwebhook
CategoryMiscellaneous

Created by

s3110

s3110

@s3110

Tags

httprequestifrespondtowebhooksetwebhook
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