URL Checker with AI Prod

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        "options": {},
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              "content": "=You are a helpful website uptime analyzer. Given an HTTP response, determine if the site is up or down, and explain why.\n{\n  \"url\": \"{{ $('Webhook').item.json.body.url[0] }}\",\n  \"status_code\": \"{{ $json.statusCode }}\",\n  \"body_snippet\": \"{{ $json.data }}\",\n  \"headers\": \"{{ JSON.stringify($json.headers).slice(0, 500) }}\"\n}\n {{ $('Webhook').item.json.body.url[0] }}\n\nIf the resutls error out \"getaddrinfo ENOTFOUND\" respond back in a helpful manner. "
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        "subject": "=❌ Website Status Check for {{ $('Webhook').item.json.body.url[0] }}"
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      "credentials": {
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      "onError": "continueErrorOutput",
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      "parameters": {
        "url": "={{ $json.body.url[0] }}",
        "options": {
          "response": {
            "response": {
              "fullResponse": true
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          },
          "allowUnauthorizedCerts": true
        }
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      "parameters": {
        "color": 4,
        "width": 416,
        "height": 224,
        "content": "**Input format**\n\nPOST JSON:\n{ \"url\": \"https://example.com\" }\n\nIf your sender posts:\n{ \"body\": { \"url\": [\"https://example.com\"] } }\nkeep the existing expressions.\n\nOtherwise, update expressions to match your payload shape.\n"
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      "position": [
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      "parameters": {
        "color": 2,
        "width": 288,
        "height": 176,
        "content": "**AI Model & Credentials**\n\nUse n8n Credentials for OpenAI (Message a model).\nDo NOT paste API keys directly into nodes.\n\nThe AI can summarize headers/body (truncated) to explain failures.\n"
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        "content": "**Error Handling**\n\nNetwork/DNS errors (e.g., getaddrinfo ENOTFOUND) are explained by the AI.\nHTTP non-200 codes are treated as \"down\" and go to the Error email path.\nAdjust IF logic if your service treats 3xx as OK."
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