🔧 Read palm lines and send AI reports via LINE, Gemini, Gmail and Calendar

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Description

Template description (paste this into the n8n Creator Dashboard)

Who is this for

This workflow is for anyone who wants to offer a fun, automated palm reading experience through LINE — Japan’s dominant messaging app with over 90 million active users. It suits indie developers, wellness creators, fortune-telling services, or anyone curious about combining AI vision with multi-channel automation.

What this workflow does

When a user sends a photo of their palm via LINE, the workflow springs into action across five tools:

1. LINE Messaging API receives the image via webhook
2. Google Gemini analyzes the palm and produces three outputs: a short LINE-ready summary (under 100 characters), a full reading covering the life line, heart line, head line, and fate line, and three lucky day suggestions with reasons
3. LINE reply sends the short summary back to the user instantly
4. Gmail delivers a formatted HTML report with the complete reading to a specified address
5. Google Calendar registers the three lucky days as calendar events so the user never forgets them

Non-image messages (text, stickers) are caught early and trigger a friendly prompt asking the user to send a palm photo instead.

How to set up

1. Open the Set config variables node and fill in your LINE_CHANNEL_ACCESS_TOKEN, GMAIL_FROM, GMAIL_TO, and GOOGLE_CALENDAR_ID
2. Connect your Google Gemini API credential to the Google Gemini Chat Model node
3. Connect your Gmail OAuth2 credential to the Gmail node
4. Connect your Google Calendar OAuth2 credential to the Calendar node
5. Activate the workflow and copy the webhook URL
6. Paste the webhook URL into your LINE Developer Console under the Messaging API channel settings

Requirements

• LINE Developer account and a Messaging API channel (free)
• Google Gemini API key (free tier available at Google AI Studio)
• Gmail account with OAuth2 set up in n8n
• Google Calendar with OAuth2 set up in n8n

How to customize

• Change the reading language: edit the prompt in the Analyze palm lines with Gemini node — swap English for Japanese, Spanish, or any language Gemini supports
• Adjust the report destination: update GMAIL_TO in the config node to send the report to the user’s own address (you could collect it via a prior LINE conversation)
• Change lucky day timing: the Calendar node currently schedules events starting 7 days from now — adjust the $now.plus() expression to fit your use case
• Extend the AI prompt: add astrology, tarot, or numerology sections to the Gemini prompt for a richer reading experience

🔗 Nodes Used

HTTP Request, Webhook, Google Calendar, Gmail, Basic LLM Chain, Google Gemini Chat Model

📥 Import

Download workflow.json and import into n8n: Workflow menu → Import from File

📖 Importing guide · 🔑 Credential setup