sayamol thiramonpaphakul This workflow corresponds to n8n.io template #4379 — 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 →
{
"nodes": [
{
"id": "6637ff1d-43ca-4545-b427-44568da387f9",
"name": "Schedule Trigger",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
200,
1100
],
"parameters": {
"rule": {
"interval": [
{
"field": "minutes"
}
]
}
},
"typeVersion": 1.2
},
{
"id": "f56c8d70-222d-436b-94c3-90f0018a3742",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-180,
700
],
"parameters": {
"color": 3,
"width": 2500,
"height": 820,
"content": "## Monitor Website Check when Down ##"
},
"typeVersion": 1
},
{
"id": "675c17f6-f832-4a43-ac66-a5dea421bad8",
"name": "Get Monitors",
"type": "n8n-nodes-base.uptimeRobot",
"position": [
420,
1100
],
"parameters": {
"filters": {},
"resource": "monitor"
},
"credentials": {
"uptimeRobotApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "2a73c7ca-0db5-4e1f-85f6-e9e18b7bde1b",
"name": "LLM Message Format",
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"position": [
1080,
1100
],
"parameters": {
"text": "={{ $json.text }} List all affected sites and add a short funny wish for the IT team.",
"promptType": "define"
},
"typeVersion": 1.6
},
{
"id": "332f202e-c87d-49d1-aa7a-942631547058",
"name": "OpenAI GPT-4o Mini",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
1180,
1320
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4o-mini"
},
"options": {}
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "64a391a8-4bdf-43ce-887f-af7a17e93904",
"name": "Escape Newlines",
"type": "n8n-nodes-base.code",
"position": [
1460,
1200
],
"parameters": {
"jsCode": "const rawText = $input.first().json.text || '';\nconst cleanedText = rawText.replace(/\\n/g, '\\\\n');\nreturn [{ json: { text: cleanedText } }];"
},
"typeVersion": 2
},
{
"id": "171b91d8-b502-4a08-9056-ac075f215983",
"name": "Send to LINE",
"type": "n8n-nodes-base.httpRequest",
"position": [
1680,
1200
],
"parameters": {
"url": "https://api.line.me/v2/bot/message/push",
"method": "POST",
"options": {},
"jsonBody": "={\n \"to\": \"<YOUR_LINE_GROUP_ID>\",\n \"messages\": [\n {\n \"type\": \"text\",\n \"text\": \"{{ $json.text }}\"\n }\n ]\n} ",
"sendBody": true,
"jsonHeaders": "{\n \"Authorization\": \"Bearer <YOUR_LINE_CHANNEL_TOKEN>\",\n \"Content-Type\": \"application/json\"\n}",
"sendHeaders": true,
"specifyBody": "json",
"specifyHeaders": "json"
},
"typeVersion": 4.2
},
{
"id": "b8b4beb8-e2a9-45d7-88b1-9409519d070f",
"name": "Filter Down Monitors",
"type": "n8n-nodes-base.code",
"position": [
640,
1200
],
"parameters": {
"jsCode": "const statusMap = { 0: \"\u23f8\ufe0f Paused\", 1: \"\ud83d\udd50 Not Checked Yet\", 2: \"\u2705 Up\", 8: \"\u26a0\ufe0f May Be Down\", 9: \"\ud83d\udd34 Down\" };\nconst now = new Date();\nconst options = { timeZone: 'Asia/Bangkok' };\nconst dateStr = now.toLocaleDateString('en-GB', options);\nconst timeStr = now.toLocaleTimeString('en-GB', { hour: '2-digit', minute: '2-digit', hour12: false, timeZone: 'Asia/Bangkok' });\nlet message = `Some websites seem to be \ud83d\udd34 down or \u26a0\ufe0f unstable.\\n\ud83d\udcc5 Date: ${dateStr} Time: ${timeStr} hrs\\n\\n`;\nlet server_down = 0;\nfor (const item of items) {\n const id = item.json.id;\n const name = item.json.friendly_name || item.json.name;\n const statusCode = item.json.status;\n const statusText = statusMap[statusCode] || statusCode;\n if ((statusCode === 8 || statusCode === 9) && id !== 798534759) {\n message += `\u2022 ${name} \u27a4 ${statusText}\\n`;\n server_down = 1;\n }\n}\nreturn [{ json: { server_down, text: message } }];"
},
"typeVersion": 2
},
{
"id": "2f2d9c4c-5d4e-483f-b800-f9cfe7c2e67c",
"name": "If Down",
"type": "n8n-nodes-base.if",
"position": [
860,
1200
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.server_down.toString() }}",
"rightValue": "1"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "4498a432-f4b6-4beb-978a-58cc9fdbbd64",
"name": "Wait 30 Min",
"type": "n8n-nodes-base.wait",
"position": [
1900,
1200
],
"parameters": {
"unit": "minutes",
"amount": 30
},
"typeVersion": 1.1
},
{
"id": "c0b608e5-0da6-4e13-9334-35b0b6e9ab1a",
"name": "Loop Over Monitors",
"type": "n8n-nodes-base.splitInBatches",
"position": [
640,
960
],
"parameters": {
"options": {},
"batchSize": "={{ $json.id }}"
},
"typeVersion": 3
},
{
"id": "002eaa11-a871-4387-9cee-77c389ca43b4",
"name": "Filter Status 9",
"type": "n8n-nodes-base.filter",
"position": [
860,
1000
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "loose"
},
"combinator": "and",
"conditions": [
{
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.status }}",
"rightValue": "9"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "a6b467c6-6f0e-41ac-8d15-7d70863f6499",
"name": "Save to Supabase",
"type": "n8n-nodes-base.supabase",
"position": [
860,
800
],
"parameters": {
"tableId": "synlora_uptime_down",
"fieldsUi": {
"fieldValues": [
{
"fieldId": "website",
"fieldValue": "={{ $json.friendly_name }}"
},
{
"fieldId": "statue",
"fieldValue": "={{ $json.status }}"
},
{
"fieldId": "uptime_id",
"fieldValue": "={{ $json.id }}"
}
]
}
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
}
],
"connections": {
"If Down": {
"main": [
[
{
"node": "LLM Message Format",
"type": "main",
"index": 0
}
]
]
},
"Get Monitors": {
"main": [
[
{
"node": "Filter Down Monitors",
"type": "main",
"index": 0
},
{
"node": "Loop Over Monitors",
"type": "main",
"index": 0
}
]
]
},
"Send to LINE": {
"main": [
[
{
"node": "Wait 30 Min",
"type": "main",
"index": 0
}
]
]
},
"Escape Newlines": {
"main": [
[
{
"node": "Send to LINE",
"type": "main",
"index": 0
}
]
]
},
"Filter Status 9": {
"main": [
[
{
"node": "Loop Over Monitors",
"type": "main",
"index": 0
}
]
]
},
"Schedule Trigger": {
"main": [
[
{
"node": "Get Monitors",
"type": "main",
"index": 0
}
]
]
},
"LLM Message Format": {
"main": [
[
{
"node": "Escape Newlines",
"type": "main",
"index": 0
}
]
]
},
"Loop Over Monitors": {
"main": [
[
{
"node": "Save to Supabase",
"type": "main",
"index": 0
}
],
[
{
"node": "Filter Status 9",
"type": "main",
"index": 0
}
]
]
},
"Filter Down Monitors": {
"main": [
[
{
"node": "If Down",
"type": "main",
"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.
openAiApisupabaseApiuptimeRobotApi
For the full experience including quality scoring and batch install features for each workflow upgrade to Pro
About this workflow
This workflow automatically checks the status of your websites using UptimeRobot API. If any site is down or unstable, it will: Generate a natural-language alert message using GPT-4o Push the message to a LINE group (with funny IT-style encouragement) Log all DOWN status entries…
Source: https://n8n.io/workflows/4379/ — original creator credit. Request a take-down →
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