Keith Rumjahn This workflow corresponds to n8n.io template #2515 — we link there as the canonical source.
This workflow follows the Chainllm → HTTP Request recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"id": "NuEN2uwPicogoHom",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "Gmail to line",
"tags": [],
"nodes": [
{
"id": "33cb4970-014e-454c-81c4-0511bfae69cd",
"name": "Read emails (IMAP)",
"type": "n8n-nodes-base.emailReadImap",
"position": [
280,
220
],
"parameters": {
"options": {},
"postProcessAction": "nothing"
},
"credentials": {
"imap": {
"name": "<your credential>"
}
},
"typeVersion": 2
},
{
"id": "7180288e-8260-4707-b714-73be852a0755",
"name": "Send summarized content to messenger",
"type": "n8n-nodes-base.httpRequest",
"position": [
1380,
200
],
"parameters": {
"url": "https://api.line.me/v2/bot/message/push",
"method": "POST",
"options": {},
"jsonBody": "={ \n \"to\": \"U3ec262c49811f30cdc2d2f2b0a0df99a\", \n \"messages\": [ \n { \n \"type\": \"text\", \n \"text\": \"{{ $json.output.summary.replace(/\\\\n/g, '\\\\n') }}\"\n } \n ] \n}",
"sendBody": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 4.2
},
{
"id": "d1ca1fc2-f4ff-49da-9c2b-f945e090192d",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
120,
-40
],
"parameters": {
"width": 361,
"height": 90,
"content": "## Summarize emails with A.I.\nYou can find out more about the [use case](https://rumjahn.com/how-a-i-saved-my-kids-school-life-and-my-marriage/)"
},
"typeVersion": 1
},
{
"id": "8cef000e-458a-4408-961b-70bd3e69aa0e",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
240,
120
],
"parameters": {
"color": 5,
"width": 229,
"height": 280,
"content": "Find your email server's IMAP Settings. \n- Link for [gmail](https://www.getmailspring.com/setup/access-gmail-via-imap-smtp)"
},
"typeVersion": 1
},
{
"id": "379fe17a-40ee-4174-8e8e-98d9ce7a7bbb",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
520,
-40
],
"parameters": {
"color": 6,
"width": 365,
"height": 442,
"content": "For the A.I. you can use Openrouter.ai. \n- Set up a free account\n- The A.I. model selected is FREE to use.\n## Credentials\n- Use header auth\n- Username: Authorization\n- Password: Bearer {insert your API key}.\n- The password is \"Bearer\" space plus your API key."
},
"typeVersion": 1
},
{
"id": "d88115fb-89ad-4f8f-9e50-2602c658692e",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
1280,
-60
],
"parameters": {
"color": 4,
"width": 307,
"height": 439,
"content": "Don't use the official Line node. It's outdated.\n## Credentials\n- Use header auth\n- Username: Authorization\n- Password: Bearer {channel access token}\n\nYou can find your channel access token at the [Line API console](https://developers.line.biz/console/). Go to Messaging API and scroll to the bottom."
},
"typeVersion": 1
},
{
"id": "d4985708-c87e-4b0a-9e72-c87ca07f261d",
"name": "Basic LLM Chain",
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"position": [
560,
220
],
"parameters": {
"text": "=Analyze this email and determine if it requires attention. \n \nIMPORTANT EMAILS include: \n- Action items or deadlines \n- Payment due dates \n- Registration deadlines \n- Urgent requests \n- Meeting invitations \n- Important announcements \n \nFor important emails, provide a summary with deadlines and action items. \nFor unimportant emails (newsletters, promotions, automated notifications), set isImportant to false. \n \nEmail content: \nFrom: {{ encodeURIComponent($json.from) }} \nSubject: {{ encodeURIComponent($json.subject) }} \n{{ encodeURIComponent($json.textHtml) }} ",
"promptType": "define",
"hasOutputParser": true
},
"typeVersion": 1.6
},
{
"id": "534d65d9-0d44-4af2-9f69-c7deb46e2556",
"name": "OpenRouter Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenRouter",
"position": [
540,
420
],
"parameters": {
"model": "google/gemini-2.5-flash-preview-05-20",
"options": {}
},
"credentials": {
"openRouterApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "d133ab53-71da-462d-9a9e-8427967b1dbb",
"name": "Structured Output Parser",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"position": [
720,
420
],
"parameters": {
"schemaType": "manual",
"inputSchema": "{ \n \"type\": \"object\", \n \"properties\": { \n \"isImportant\": { \n \"type\": \"boolean\", \n \"description\": \"Whether this email requires attention\" \n }, \n \"summary\": { \n \"type\": \"string\", \n \"description\": \"Summary of the email if important, empty if not\" \n } \n }, \n \"required\": [\"isImportant\"] \n}"
},
"typeVersion": 1.2
},
{
"id": "4eb2bbd0-7fa1-44b1-abfa-0e424e42c93f",
"name": "If",
"type": "n8n-nodes-base.if",
"position": [
1000,
220
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "a8dddd45-97b9-4dda-97f1-f5d959095e2b",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ $json.output.isImportant }}",
"rightValue": "true"
}
]
}
},
"typeVersion": 2.2
}
],
"active": true,
"settings": {
"executionOrder": "v1"
},
"versionId": "bb0850f4-2877-4769-a24c-962f3734af69",
"connections": {
"If": {
"main": [
[
{
"node": "Send summarized content to messenger",
"type": "main",
"index": 0
}
]
]
},
"Basic LLM Chain": {
"main": [
[
{
"node": "If",
"type": "main",
"index": 0
}
]
]
},
"Read emails (IMAP)": {
"main": [
[
{
"node": "Basic LLM Chain",
"type": "main",
"index": 0
}
]
]
},
"OpenRouter Chat Model": {
"ai_languageModel": [
[
{
"node": "Basic LLM Chain",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Structured Output Parser": {
"ai_outputParser": [
[
{
"node": "Basic LLM Chain",
"type": "ai_outputParser",
"index": 0
}
]
]
}
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
httpHeaderAuthimapopenRouterApi
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About this workflow
Anyone who is drowning in emails Busy parents who has alot of school emails Busy executives with too many emails
Source: https://n8n.io/workflows/2515/ — original creator credit. Request a take-down →
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