{ "name": "Lunexo – Website Health Monitor", "nodes": [ { "parameters": { "content": "## Website Health Monitor\n\n**What it does:** Checks multiple URLs every 15 minutes and sends Telegram + email alerts when a site is down (non-2xx response).\n\n**Setup (~10 min):**\n1. Add your SMTP credentials\n2. Add your Telegram Bot API credentials\n3. Replace `YOUR_SITE_1/2/3` URLs in the Define Sites node\n4. Replace `YOUR_ADMIN_EMAIL` with your inbox\n5. Replace `YOUR_TELEGRAM_CHAT_ID` with your chat ID\n6. Activate the workflow\n\n**Variables to change:**\n- `YOUR_SITE_1` / `YOUR_SITE_2` / `YOUR_SITE_3` — URLs to monitor\n- `YOUR_ADMIN_EMAIL` — alert recipient\n- `YOUR_TELEGRAM_CHAT_ID` — Telegram chat ID", "height": 350, "width": 350, "color": 5 }, "id": "d6a20001-c3d4-5e6f-b7a8-600000000001", "name": "Sticky Note", "type": "n8n-nodes-base.stickyNote", "typeVersion": 1, "position": [40, 80] }, { "parameters": { "rule": { "interval": [ { "field": "minutes", "minutesInterval": 15 } ] }, "options": {} }, "id": "d6a20001-c3d4-5e6f-b7a8-600000000002", "name": "Schedule Trigger", "type": "n8n-nodes-base.scheduleTrigger", "typeVersion": 1.2, "position": [240, 300] }, { "parameters": { "jsCode": "const sites = [\n { url: 'YOUR_SITE_1', name: 'Main Site' },\n { url: 'YOUR_SITE_2', name: 'API' },\n { url: 'YOUR_SITE_3', name: 'Dashboard' }\n];\n\nreturn sites.map(site => ({ json: site }));" }, "id": "d6a20001-c3d4-5e6f-b7a8-600000000003", "name": "Define Sites", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [460, 300] }, { "parameters": { "options": {} }, "id": "d6a20001-c3d4-5e6f-b7a8-600000000004", "name": "Split In Batches", "type": "n8n-nodes-base.splitInBatches", "typeVersion": 3, "position": [680, 300] }, { "parameters": { "url": "={{ $json.url }}", "options": { "timeout": 10000, "response": { "response": { "neverError": true, "fullResponse": true } } } }, "id": "d6a20001-c3d4-5e6f-b7a8-600000000005", "name": "Check URL", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.2, "position": [900, 300] }, { "parameters": { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict" }, "conditions": [ { "id": "d6a20001-cond-0001", "leftValue": "={{ $json.statusCode }}", "rightValue": 200, "operator": { "type": "number", "operation": "lt" } }, { "id": "d6a20001-cond-0002", "leftValue": "={{ $json.statusCode }}", "rightValue": 399, "operator": { "type": "number", "operation": "gt" } } ], "combinator": "or" } }, "id": "d6a20001-c3d4-5e6f-b7a8-600000000006", "name": "IF Site Down", "type": "n8n-nodes-base.if", "typeVersion": 2, "position": [1120, 300] }, { "parameters": { "jsCode": "const item = $input.first().json;\nconst siteName = item.name || item.url || 'Unknown';\nconst statusCode = item.statusCode || 'No response';\nconst url = item.url || 'N/A';\nconst timestamp = new Date().toISOString();\n\nconst alertHtml = `
`\n + `

⚠️ Site Down Alert

`\n + ``\n + ``\n + ``\n + ``\n + ``\n + `
Site${siteName}
URL${url}
Status Code${statusCode}
Time${timestamp}
`\n + `

— Lunexo Website Health Monitor

`\n + `
`;\n\nconst telegramAlert = `🚨 SITE DOWN\\n\\n📛 ${siteName}\\n🔗 ${url}\\n❌ Status: ${statusCode}\\n🕐 ${timestamp}`;\n\nreturn [{ json: { siteName, url, statusCode, timestamp, alertHtml, telegramAlert } }];" }, "id": "d6a20001-c3d4-5e6f-b7a8-600000000007", "name": "Format Alert", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [1340, 200] }, { "parameters": { "chatId": "YOUR_TELEGRAM_CHAT_ID", "text": "={{ $json.telegramAlert }}", "additionalFields": {} }, "id": "d6a20001-c3d4-5e6f-b7a8-600000000008", "name": "Send Telegram Alert", "type": "n8n-nodes-base.telegram", "typeVersion": 1.2, "position": [1560, 200], "credentials": { "telegramApi": { "id": "CHANGE_ME", "name": "Your Telegram Bot" } } }, { "parameters": { "fromEmail": "noreply@yourdomain.com", "toEmail": "YOUR_ADMIN_EMAIL", "subject": "=⚠️ Site Down: {{ $json.siteName }} ({{ $json.statusCode }})", "emailType": "html", "html": "={{ $json.alertHtml }}", "options": {} }, "id": "d6a20001-c3d4-5e6f-b7a8-600000000009", "name": "Send Email Alert", "type": "n8n-nodes-base.emailSend", "typeVersion": 2.1, "position": [1780, 200], "credentials": { "smtp": { "id": "CHANGE_ME", "name": "Your SMTP Account" } } } ], "connections": { "Schedule Trigger": { "main": [ [ { "node": "Define Sites", "type": "main", "index": 0 } ] ] }, "Define Sites": { "main": [ [ { "node": "Split In Batches", "type": "main", "index": 0 } ] ] }, "Split In Batches": { "main": [ [ { "node": "Check URL", "type": "main", "index": 0 } ] ] }, "Check URL": { "main": [ [ { "node": "IF Site Down", "type": "main", "index": 0 } ] ] }, "IF Site Down": { "main": [ [ { "node": "Format Alert", "type": "main", "index": 0 } ], [ { "node": "Split In Batches", "type": "main", "index": 0 } ] ] }, "Format Alert": { "main": [ [ { "node": "Send Telegram Alert", "type": "main", "index": 0 } ] ] }, "Send Telegram Alert": { "main": [ [ { "node": "Send Email Alert", "type": "main", "index": 0 } ] ] }, "Send Email Alert": { "main": [ [ { "node": "Split In Batches", "type": "main", "index": 0 } ] ] } }, "active": false, "settings": { "executionOrder": "v1" }, "versionId": "d6a20001-c3d4-5e6f-b7a8-600000000099", "meta": { "templateCredsSetupCompleted": false, "instanceId": "lunexo" }, "pinData": {}, "staticData": null, "tags": [ { "name": "Lunexo" }, { "name": "Monitoring" }, { "name": "Uptime" } ] }