{
  "id": "KMgt49BPco6oE5Xj",
  "meta": {
    "instanceId": "277842713620d9f5554de3b1518b865a152c8c4db680008bd8aec536fc18b4a8"
  },
  "name": "AI Invoice Approval & Fraud Detection",
  "tags": [
    {
      "id": "CWardZYJBmejoyC4",
      "name": "under review",
      "createdAt": "2025-10-09T18:43:37.031Z",
      "updatedAt": "2025-10-09T18:43:37.031Z"
    }
  ],
  "nodes": [
    {
      "id": "2855123e-800d-426d-9adc-35b4fcbbbd65",
      "name": "인보이스 첨부 파일이 있나요?",
      "type": "n8n-nodes-base.if",
      "position": [
        -1264,
        256
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "caseSensitive": false
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "has-attachment",
              "operator": {
                "type": "boolean",
                "operation": "true"
              },
              "leftValue": "={{ $json.attachments?.length > 0 }}",
              "rightValue": true
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "6177f958-e010-426b-8d7a-1d9f2966eaed",
      "name": "인보이스 첨부 파일 추출",
      "type": "n8n-nodes-base.code",
      "position": [
        -736,
        192
      ],
      "parameters": {
        "jsCode": "const items = $input.all();\nconst results = [];\n\nfor (const item of items) {\n  const attachments = item.json.attachments || [];\n  \n  // Filter for PDF and image attachments (common invoice formats)\n  const invoiceAttachments = attachments.filter(att => {\n    const name = att.filename?.toLowerCase() || '';\n    return name.endsWith('.pdf') || \n           name.endsWith('.png') || \n           name.endsWith('.jpg') || \n           name.endsWith('.jpeg');\n  });\n  \n  // Process each invoice attachment\n  for (const attachment of invoiceAttachments) {\n    results.push({\n      json: {\n        email_from: item.json.from,\n        email_subject: item.json.subject,\n        email_date: item.json.date,\n        email_id: item.json.id,\n        attachment_name: attachment.filename,\n        attachment_id: attachment.attachmentId,\n        attachment_size: attachment.size,\n        invoice_id: `INV-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`\n      },\n      binary: {\n        data: item.binary[attachment.attachmentId]\n      }\n    });\n  }\n}\n\nreturn results;"
      },
      "typeVersion": 2
    },
    {
      "id": "49036c5c-fdc0-47d0-8885-63dcd931f2e2",
      "name": "AI 인보이스 OCR 및 추출",
      "type": "@n8n/n8n-nodes-langchain.openAi",
      "position": [
        -576,
        192
      ],
      "parameters": {
        "modelId": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-mini"
        },
        "options": {
          "temperature": 0.1
        },
        "messages": {
          "values": [
            {
              "content": "=You are an expert invoice processing AI. Extract ALL information from this invoice document with perfect accuracy.\n\n**Email Context:**\nFrom: {{ $json.email_from }}\nSubject: {{ $json.email_subject }}\nDate: {{ $json.email_date }}\n\nAnalyze the attached invoice image/PDF and extract complete structured information. Return ONLY valid JSON with this exact structure:\n\n{\n  \"vendor_name\": \"Company Name\",\n  \"vendor_email\": \"vendor@email.com\",\n  \"vendor_address\": \"Full address\",\n  \"vendor_tax_id\": \"Tax/VAT ID if present\",\n  \"invoice_number\": \"INV-12345\",\n  \"invoice_date\": \"YYYY-MM-DD\",\n  \"due_date\": \"YYYY-MM-DD\",\n  \"po_number\": \"PO number if referenced\",\n  \"currency\": \"USD\",\n  \"line_items\": [\n    {\n      \"description\": \"Item description\",\n      \"quantity\": 1,\n      \"unit_price\": 100.00,\n      \"total\": 100.00\n    }\n  ],\n  \"subtotal\": 100.00,\n  \"tax_amount\": 8.00,\n  \"tax_rate\": 8.0,\n  \"shipping\": 0.00,\n  \"total_amount\": 108.00,\n  \"payment_terms\": \"Net 30\",\n  \"notes\": \"Any special notes or terms\",\n  \"bank_details\": \"Bank account information if present\",\n  \"invoice_category\": \"software|hardware|services|consulting|office_supplies|utilities|marketing|travel|other\",\n  \"confidence_score\": 0.95\n}\n\nIMPORTANT:\n- Extract exact amounts with 2 decimal places\n- Use YYYY-MM-DD format for dates\n- If information is missing, use null\n- Be extremely accurate with numbers\n- Classify invoice into appropriate category\n- Confidence score 0-1 based on document clarity"
            }
          ]
        }
      },
      "credentials": {
        "openAiApi": {
          "id": "8IkhtT3EbXygnvcr",
          "name": "Klinsman OpenAI"
        }
      },
      "typeVersion": 1.8
    },
    {
      "id": "e82f7d85-e1d2-408b-a3ce-b5e12993763d",
      "name": "인보이스 데이터 파싱",
      "type": "n8n-nodes-base.code",
      "position": [
        -288,
        192
      ],
      "parameters": {
        "jsCode": "const items = $input.all();\nconst results = [];\n\nfor (const item of items) {\n  try {\n    // Parse AI response\n    const aiText = item.json.message?.content || item.json.output || '{}';\n    \n    // Clean JSON\n    let cleanJson = aiText.replace(/```json\\n?/g, '').replace(/```\\n?/g, '').trim();\n    const jsonMatch = cleanJson.match(/\\{[\\s\\S]*\\}/);\n    if (jsonMatch) {\n      cleanJson = jsonMatch[0];\n    }\n    \n    const invoiceData = JSON.parse(cleanJson);\n    \n    // Get original email data\n    const originalData = $('Extract Invoice Attachments').item(0).json;\n    \n    results.push({\n      json: {\n        ...originalData,\n        ...invoiceData,\n        parsed_at: new Date().toISOString(),\n        processing_status: 'extracted'\n      }\n    });\n  } catch (error) {\n    results.push({\n      json: {\n        ...item.json,\n        parsing_error: error.message,\n        processing_status: 'failed'\n      }\n    });\n  }\n}\n\nreturn results;"
      },
      "typeVersion": 2
    },
    {
      "id": "2aedc6f8-75f4-4ae3-a562-39f270728a28",
      "name": "AI 사기 탐지 에이전트",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        16,
        144
      ],
      "parameters": {
        "text": "=You are a financial fraud detection AI with expertise in identifying invoice anomalies, duplicate submissions, and fraudulent patterns.\n\nAnalyze this invoice for potential fraud, anomalies, or issues:\n\n## INVOICE DETAILS\n**Vendor:** {{ $json.vendor_name }}\n**Invoice Number:** {{ $json.invoice_number }}\n**Date:** {{ $json.invoice_date }}\n**Due Date:** {{ $json.due_date }}\n**Amount:** {{ $json.currency }} {{ $json.total_amount }}\n**Category:** {{ $json.invoice_category }}\n**PO Number:** {{ $json.po_number || 'None' }}\n**Email From:** {{ $json.email_from }}\n\n**Line Items:**\n{{ $json.line_items.map(item => `- ${item.description}: ${item.quantity} × $${item.unit_price} = $${item.total}`).join('\\n') }}\n\n**Payment Terms:** {{ $json.payment_terms }}\n\n---\n\n## FRAUD DETECTION CRITERIA\n\n### Red Flags to Check:\n1. **Duplicate Invoice Detection**\n   - Similar amounts recently processed\n   - Same invoice number from this vendor\n   - Duplicate line item descriptions\n\n2. **Amount Anomalies**\n   - Unusually high amount for vendor/category\n   - Round numbers (possible fake invoices)\n   - Amount just under approval threshold (splitting)\n\n3. **Vendor Verification**\n   - New/unknown vendor\n   - Mismatched email domain vs vendor name\n   - Missing tax ID or business details\n   - Suspicious bank details\n\n4. **Document Quality Issues**\n   - Low confidence score from OCR\n   - Missing critical information\n   - Unprofessional formatting\n   - Mismatched totals or calculations\n\n5. **Timing Anomalies**\n   - Invoice date in future\n   - Very old invoice\n   - Due date already passed\n   - Weekend/holiday invoice dates\n\n6. **Pattern Detection**\n   - Frequent small invoices (just under approval limit)\n   - Vague descriptions (\"consulting services\")\n   - No PO number for large amounts\n   - Rush payment requests\n\n### Category-Specific Checks:\n- **Software/SaaS:** Check if subscription-based, verify renewal dates\n- **Consulting:** Verify hourly rates are reasonable\n- **Travel:** Check dates align with known business trips\n- **Office Supplies:** Verify quantities are reasonable\n\n---\n\n## YOUR ANALYSIS TASK\n\nProvide detailed fraud risk assessment covering:\n\n1. **Overall Risk Level** - critical/high/medium/low with clear reasoning\n\n2. **Specific Red Flags Found** - List all anomalies detected\n\n3. **Vendor Trust Score** - Rate vendor legitimacy (0-100)\n\n4. **Amount Validation** - Is the amount reasonable for this category?\n\n5. **Document Quality Score** - Rate invoice professionalism (0-100)\n\n6. **Duplicate Risk** - Likelihood this is a duplicate submission\n\n7. **Recommended Action** - auto_approve / manager_review / fraud_investigation / reject\n\n8. **Required Verifications** - What should be manually verified\n\n9. **Approval Workflow** - Who should approve based on amount/risk\n\n10. **Priority Level** - urgent / high / normal / low\n\nBe thorough and err on the side of caution. Flag anything suspicious for human review.",
        "options": {},
        "promptType": "define",
        "hasOutputParser": true
      },
      "typeVersion": 2.2
    },
    {
      "id": "d79e193d-8f8e-4f63-bc5d-87af7ebd3e42",
      "name": "OpenAI 채팅 모델",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        -16,
        416
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-mini"
        },
        "options": {
          "temperature": 0.2
        }
      },
      "credentials": {
        "openAiApi": {
          "id": "8IkhtT3EbXygnvcr",
          "name": "Klinsman OpenAI"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "b07f6e14-d650-4da4-845f-191d76249aa6",
      "name": "구조화된 출력 파서",
      "type": "@n8n/n8n-nodes-langchain.outputParserStructured",
      "position": [
        176,
        416
      ],
      "parameters": {
        "schemaType": "manual",
        "inputSchema": "{\n  \"type\": \"object\",\n  \"required\": [\n    \"risk_level\",\n    \"risk_score\",\n    \"red_flags\",\n    \"vendor_trust_score\",\n    \"amount_validation\",\n    \"document_quality_score\",\n    \"duplicate_risk\",\n    \"recommended_action\",\n    \"required_verifications\",\n    \"approval_workflow\",\n    \"priority_level\",\n    \"detailed_analysis_markdown\"\n  ],\n  \"properties\": {\n    \"risk_level\": {\n      \"type\": \"string\",\n      \"enum\": [\"critical\", \"high\", \"medium\", \"low\"]\n    },\n    \"risk_score\": {\n      \"type\": \"integer\",\n      \"minimum\": 0,\n      \"maximum\": 100,\n      \"description\": \"Overall fraud risk score\"\n    },\n    \"red_flags\": {\n      \"type\": \"array\",\n      \"items\": {\"type\": \"string\"},\n      \"description\": \"List of specific concerns found\"\n    },\n    \"vendor_trust_score\": {\n      \"type\": \"integer\",\n      \"minimum\": 0,\n      \"maximum\": 100\n    },\n    \"amount_validation\": {\n      \"type\": \"string\",\n      \"description\": \"Is amount reasonable? Details\"\n    },\n    \"document_quality_score\": {\n      \"type\": \"integer\",\n      \"minimum\": 0,\n      \"maximum\": 100\n    },\n    \"duplicate_risk\": {\n      \"type\": \"string\",\n      \"enum\": [\"none\", \"low\", \"medium\", \"high\", \"confirmed\"]\n    },\n    \"recommended_action\": {\n      \"type\": \"string\",\n      \"enum\": [\"auto_approve\", \"manager_review\", \"cfo_approval\", \"fraud_investigation\", \"reject\"]\n    },\n    \"required_verifications\": {\n      \"type\": \"array\",\n      \"items\": {\"type\": \"string\"}\n    },\n    \"approval_workflow\": {\n      \"type\": \"string\",\n      \"description\": \"Who should approve\"\n    },\n    \"priority_level\": {\n      \"type\": \"string\",\n      \"enum\": [\"urgent\", \"high\", \"normal\", \"low\"]\n    },\n    \"detailed_analysis_markdown\": {\n      \"type\": \"string\",\n      \"description\": \"Full analysis in markdown\"\n    }\n  }\n}"
      },
      "typeVersion": 1.3
    },
    {
      "id": "5f940f8a-f146-4438-b87d-e85b294095bb",
      "name": "심각한 사기 위험?",
      "type": "n8n-nodes-base.if",
      "position": [
        400,
        96
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {},
          "combinator": "or",
          "conditions": [
            {
              "id": "critical-risk",
              "operator": {
                "type": "string",
                "operation": "equals"
              },
              "leftValue": "={{ $json.output.risk_level }}",
              "rightValue": "critical"
            },
            {
              "id": "fraud-investigation",
              "operator": {
                "type": "string",
                "operation": "equals"
              },
              "leftValue": "={{ $json.output.recommended_action }}",
              "rightValue": "fraud_investigation"
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "7ca0fa2f-183d-41fb-b654-bd39481ffc99",
      "name": "자동 승인 가능?",
      "type": "n8n-nodes-base.if",
      "position": [
        416,
        352
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {},
          "combinator": "and",
          "conditions": [
            {
              "id": "auto-approve",
              "operator": {
                "type": "string",
                "operation": "equals"
              },
              "leftValue": "={{ $json.output.recommended_action }}",
              "rightValue": "auto_approve"
            },
            {
              "id": "low-risk-and-small",
              "operator": {
                "type": "string",
                "operation": "equals"
              },
              "leftValue": "={{ $json.output.risk_level }}",
              "rightValue": "low"
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "7f4ffb88-3c0a-4ee2-90bf-f6139eeb62e2",
      "name": "사기 조사 요청",
      "type": "n8n-nodes-base.gmail",
      "position": [
        1296,
        -16
      ],
      "webhookId": "fraud-investigation-webhook",
      "parameters": {
        "sendTo": "finance-manager@yourcompany.com",
        "message": "=<!DOCTYPE html>\n<html>\n<head>\n<style>\nbody{font-family:Arial,sans-serif;line-height:1.6;color:#333;max-width:700px;margin:0 auto;padding:20px}\n.alert-banner{background:#dc3545;color:#fff;padding:20px;text-align:center;border-radius:8px 8px 0 0;font-size:20px;font-weight:bold}\n.content{background:#fff;padding:30px;border:3px solid #dc3545}\n.risk-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:15px;margin:20px 0}\n.risk-box{background:#fff3cd;padding:15px;text-align:center;border-radius:5px;border:2px solid #ffc107}\n.risk-box.critical{background:#f8d7da;border-color:#dc3545}\n.risk-box strong{display:block;font-size:28px;color:#dc3545;margin-bottom:5px}\n.red-flags{background:#f8d7da;padding:15px;border-left:4px solid #dc3545;margin:20px 0}\n.invoice-details{background:#f8f9fa;padding:15px;border-radius:5px;margin:20px 0}\n</style>\n</head>\n<body>\n<div class=\"alert-banner\">🚨 CRITICAL FRAUD ALERT 🚨</div>\n<div class=\"content\">\n<p><strong>A potentially fraudulent invoice has been detected and requires immediate investigation.</strong></p>\n\n<div class=\"invoice-details\">\n<h3 style=\"margin-top:0;color:#dc3545\">Invoice Information</h3>\n<p><strong>Vendor:</strong> {{ $('Parse Invoice Data').item.json.vendor_name }}<br>\n<strong>Invoice Number:</strong> {{ $('Parse Invoice Data').item.json.invoice_number }}<br>\n<strong>Amount:</strong> {{ $('Parse Invoice Data').item.json.currency }} {{ $('Parse Invoice Data').item.json.total_amount }}<br>\n<strong>Date:</strong> {{ $('Parse Invoice Data').item.json.invoice_date }}<br>\n<strong>Due Date:</strong> {{ $('Parse Invoice Data').item.json.due_date }}<br>\n<strong>Category:</strong> {{ $('Parse Invoice Data').item.json.invoice_category }}<br>\n<strong>PO Number:</strong> {{ $('Parse Invoice Data').item.json.po_number || 'None provided' }}</p>\n</div>\n\n<div class=\"risk-grid\">\n<div class=\"risk-box critical\"><strong>{{ $json.output.risk_score }}</strong>Risk Score</div>\n<div class=\"risk-box\"><strong>{{ $json.output.vendor_trust_score }}</strong>Vendor Trust</div>\n<div class=\"risk-box\"><strong>{{ $json.output.document_quality_score }}</strong>Doc Quality</div>\n</div>\n\n<div class=\"red-flags\">\n<h3 style=\"margin-top:0;color:#dc3545\">⚠️ Red Flags Detected</h3>\n<ul style=\"margin:0;padding-left:20px\">\n{{ $json.output.red_flags.map(flag => '<li><strong>' + flag + '</strong></li>').join('') }}\n</ul>\n</div>\n\n<h3>Required Verifications:</h3>\n<ul>\n{{ $json.output.required_verifications.map(ver => '<li>' + ver + '</li>').join('') }}\n</ul>\n\n<h3>AI Recommendation:</h3>\n<p style=\"font-size:18px;color:#dc3545\"><strong>{{ $json.output.recommended_action.toUpperCase().replace('_', ' ') }}</strong></p>\n\n<p><strong>⏰ This invoice has been BLOCKED from payment pending your investigation.</strong></p>\n\n<p>Please review immediately and take appropriate action.</p>\n\n<p style=\"margin-top:30px;padding-top:20px;border-top:1px solid #ddd;font-size:12px;color:#666\">\n<strong>Invoice ID:</strong> {{ $('Parse Invoice Data').item.json.invoice_id }}<br>\n<strong>Detected:</strong> {{ $('Parse Invoice Data').item.json.parsed_at }}\n</p>\n</div>\n</body>\n</html>",
        "options": {},
        "subject": "=⚠️ URGENT: Suspicious Invoice Requires Investigation - {{ $('Parse Invoice Data').item.json.vendor_name }}",
        "operation": "sendAndWait"
      },
      "credentials": {
        "gmailOAuth2": {
          "id": "PIMDNhXNj8Zyiz3G",
          "name": "Gmail account - Deepanshi"
        }
      },
      "typeVersion": 2.1
    },
    {
      "id": "4de0ce06-d062-4c0d-a006-3dda68257db0",
      "name": "금액 > $5000?",
      "type": "n8n-nodes-base.if",
      "position": [
        880,
        192
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {},
          "conditions": [
            {
              "id": "amount-check",
              "operator": {
                "type": "number",
                "operation": "larger"
              },
              "leftValue": "={{ $('Parse Invoice Data').item.json.total_amount }}",
              "rightValue": "5000"
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "8b3d632f-fb06-4f4c-bbe7-00012fe7581e",
      "name": "관리자 승인 요청",
      "type": "n8n-nodes-base.gmail",
      "position": [
        1312,
        176
      ],
      "webhookId": "manager-approval-webhook",
      "parameters": {
        "sendTo": "finance-manager@yourcompany.com",
        "message": "=<!DOCTYPE html>\n<html>\n<head>\n<style>\nbody{font-family:Arial,sans-serif;line-height:1.6;color:#333;max-width:700px;margin:0 auto;padding:20px}\n.header{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;padding:25px;text-align:center;border-radius:8px 8px 0 0}\n.content{background:#fff;padding:30px;border:1px solid #ddd}\n.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:20px 0}\n.info-box{background:#f8f9fa;padding:15px;border-radius:5px}\n.score-box{background:#d4edda;padding:15px;text-align:center;border-radius:5px;border:2px solid #28a745}\n.score-box strong{display:block;font-size:24px;color:#28a745}\n.line-items{background:#f8f9fa;padding:15px;border-radius:5px;margin:20px 0}\ntable{width:100%;border-collapse:collapse}\ntable th{background:#667eea;color:#fff;padding:10px;text-align:left}\ntable td{padding:10px;border-bottom:1px solid #ddd}\n</style>\n</head>\n<body>\n<div class=\"header\">\n<h2 style=\"margin:0\">📄 Invoice Approval Required</h2>\n<p style=\"margin:5px 0 0 0\">{{ $('Parse Invoice Data').item.json.vendor_name }}</p>\n</div>\n<div class=\"content\">\n<div class=\"info-grid\">\n<div class=\"info-box\">\n<strong>Invoice Number:</strong> {{ $('Parse Invoice Data').item.json.invoice_number }}<br>\n<strong>Date:</strong> {{ $('Parse Invoice Data').item.json.invoice_date }}<br>\n<strong>Due Date:</strong> {{ $('Parse Invoice Data').item.json.due_date }}\n</div>\n<div class=\"info-box\">\n<strong>Amount:</strong> {{ $('Parse Invoice Data').item.json.currency }} {{ $('Parse Invoice Data').item.json.total_amount }}<br>\n<strong>Category:</strong> {{ $('Parse Invoice Data').item.json.invoice_category }}<br>\n<strong>PO #:</strong> {{ $('Parse Invoice Data').item.json.po_number || 'N/A' }}\n</div>\n</div>\n\n<div class=\"score-box\">\n<strong>{{ $json.output.vendor_trust_score }}</strong>\nVendor Trust Score (Low Risk)\n</div>\n\n<div class=\"line-items\">\n<h3 style=\"margin-top:0\">Line Items</h3>\n<table>\n<thead>\n<tr><th>Description</th><th>Qty</th><th>Unit Price</th><th>Total</th></tr>\n</thead>\n<tbody>\n{{ $('Parse Invoice Data').item.json.line_items.map(item => '<tr><td>' + item.description + '</td><td>' + item.quantity + '</td><td>$' + item.unit_price.toFixed(2) + '</td><td>$' + item.total.toFixed(2) + '</td></tr>').join('') }}\n<tr style=\"font-weight:bold;background:#f8f9fa\"><td colspan=\"3\">Subtotal</td><td>${{ $('Parse Invoice Data').item.json.subtotal.toFixed(2) }}</td></tr>\n<tr><td colspan=\"3\">Tax ({{ $('Parse Invoice Data').item.json.tax_rate }}%)</td><td>${{ $('Parse Invoice Data').item.json.tax_amount.toFixed(2) }}</td></tr>\n<tr style=\"font-weight:bold;font-size:18px;background:#667eea;color:#fff\"><td colspan=\"3\">TOTAL</td><td>${{ $('Parse Invoice Data').item.json.total_amount.toFixed(2) }}</td></tr>\n</tbody>\n</table>\n</div>\n\n<h3>AI Analysis Summary:</h3>\n<p><strong>Risk Level:</strong> {{ $json.output.risk_level.toUpperCase() }}<br>\n<strong>Recommendation:</strong> {{ $json.output.recommended_action.replace('_', ' ').toUpperCase() }}</p>\n\n{{ $json.output.red_flags.length > 0 ? '<h3>⚠️ Items to Verify:</h3><ul>' + $json.output.red_flags.map(flag => '<li>' + flag + '</li>').join('') + '</ul>' : '<p>✅ No issues detected</p>' }}\n\n<p><strong>Payment Terms:</strong> {{ $('Parse Invoice Data').item.json.payment_terms }}</p>\n\n<p style=\"margin-top:30px\"><strong>Please approve or reject this invoice.</strong></p>\n</div>\n</body>\n</html>",
        "options": {},
        "subject": "=Invoice Approval Required - {{ $('Parse Invoice Data').item.json.vendor_name }} - ${{ $('Parse Invoice Data').item.json.total_amount }}",
        "operation": "sendAndWait"
      },
      "typeVersion": 2.1
    },
    {
      "id": "e7d4d4b9-f1a7-49c2-acb2-bf66d102fe29",
      "name": "공급업체에 승인 알림",
      "type": "n8n-nodes-base.gmail",
      "position": [
        1328,
        368
      ],
      "webhookId": "c9c97d37-6231-4e60-8d68-252db4f5399f",
      "parameters": {
        "sendTo": "={{ $('Parse Invoice Data').item.json.email_from }}",
        "message": "=<!DOCTYPE html>\n<html>\n<head>\n<style>\nbody{font-family:Arial,sans-serif;line-height:1.6;color:#333;max-width:600px;margin:0 auto;padding:20px}\n.header{background:#28a745;color:#fff;padding:20px;text-align:center;border-radius:8px 8px 0 0}\n.content{background:#fff;padding:30px;border:1px solid #ddd}\n.info-box{background:#f8f9fa;padding:15px;border-radius:5px;margin:20px 0}\n</style>\n</head>\n<body>\n<div class=\"header\"><h2 style=\"margin:0\">✅ Invoice Approved</h2></div>\n<div class=\"content\">\n<p>Dear {{ $('Parse Invoice Data').item.json.vendor_name }},</p>\n<p>Thank you for your invoice. We've received and automatically processed it.</p>\n<div class=\"info-box\">\n<strong>Invoice Number:</strong> {{ $('Parse Invoice Data').item.json.invoice_number }}<br>\n<strong>Amount:</strong> {{ $('Parse Invoice Data').item.json.currency }} {{ $('Parse Invoice Data').item.json.total_amount }}<br>\n<strong>Due Date:</strong> {{ $('Parse Invoice Data').item.json.due_date }}<br>\n<strong>Status:</strong> Approved for Payment\n</div>\n<p>Payment will be processed according to terms: <strong>{{ $('Parse Invoice Data').item.json.payment_terms }}</strong></p>\n<p>Expected payment date: <strong>{{ $('Parse Invoice Data').item.json.due_date }}</strong></p>\n<p>If you have questions, please reply to this email.</p>\n<p>Best regards,<br><strong>Accounts Payable</strong><br>[Your Company]</p>\n</div>\n</body>\n</html>",
        "options": {},
        "subject": "=Invoice Received & Processing - {{ $('Parse Invoice Data').item.json.invoice_number }}"
      },
      "typeVersion": 2.1
    },
    {
      "id": "33787ce5-b0ef-46f2-9687-6d88d4effb55",
      "name": "인보이스 데이터베이스에 기록",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        1840,
        272
      ],
      "parameters": {
        "columns": {
          "value": {
            "amount": "={{ $('Parse Invoice Data').item.json.total_amount }}",
            "status": "={{ $json.status || 'Processed' }}",
            "category": "={{ $('Parse Invoice Data').item.json.invoice_category }}",
            "currency": "={{ $('Parse Invoice Data').item.json.currency }}",
            "due_date": "={{ $('Parse Invoice Data').item.json.due_date }}",
            "po_number": "={{ $('Parse Invoice Data').item.json.po_number }}",
            "red_flags": "={{ $json.output.red_flags.join('; ') }}",
            "invoice_id": "={{ $('Parse Invoice Data').item.json.invoice_id }}",
            "risk_level": "={{ $json.output.risk_level }}",
            "risk_score": "={{ $json.output.risk_score }}",
            "vendor_name": "={{ $('Parse Invoice Data').item.json.vendor_name }}",
            "invoice_date": "={{ $('Parse Invoice Data').item.json.invoice_date }}",
            "vendor_email": "={{ $('Parse Invoice Data').item.json.vendor_email }}",
            "vendor_trust": "={{ $json.output.vendor_trust_score }}",
            "duplicate_risk": "={{ $json.output.duplicate_risk }}",
            "invoice_number": "={{ $('Parse Invoice Data').item.json.invoice_number }}",
            "processed_date": "={{ $('Parse Invoice Data').item.json.parsed_at }}",
            "recommended_action": "={{ $json.output.recommended_action }}"
          },
          "mappingMode": "defineBelow"
        },
        "options": {},
        "operation": "append",
        "sheetName": {
          "__rl": true,
          "mode": "list",
          "value": "gid=0"
        },
        "documentId": {
          "__rl": true,
          "mode": "list",
          "value": "YOUR_GOOGLE_SHEET_ID"
        }
      },
      "typeVersion": 4.5
    },
    {
      "id": "e510ac2c-183f-4f6b-bea0-1573cb6af792",
      "name": "스티커 메모 - 접수",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1568,
        64
      ],
      "parameters": {
        "color": 5,
        "width": 674,
        "height": 388,
        "content": "## 📧 Smart Invoice Intake\n\nMonitors new invoice submitted via a **Jotform**\n\nCreate your form for free on [JotForm using this link](https://www.jotform.com/?partner=mediajade)\n\n**Output:** Invoice attachments ready for AI processing"
      },
      "typeVersion": 1
    },
    {
      "id": "e03f3fdf-80c2-4c87-9e05-58f499853191",
      "name": "스티커 메모 - OCR",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -800,
        0
      ],
      "parameters": {
        "color": 4,
        "width": 674,
        "height": 444,
        "content": "## 🤖 AI-Powered OCR & Data Extraction\n\nUses GPT-4o-mini with vision to read invoices and extract ALL structured data with high accuracy.\n\n**Result:** 95%+ accuracy on invoice data extraction"
      },
      "typeVersion": 1
    },
    {
      "id": "69a627b2-fc15-440b-9668-f7cead11c022",
      "name": "스티커 메모 - 사기",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -64,
        -48
      ],
      "parameters": {
        "color": 6,
        "width": 756,
        "height": 692,
        "content": "## 🚨 AI Fraud Detection & Risk Analysis\n\nAdvanced fraud detection AI analyzes every invoice for anomalies, duplicates, and suspicious patterns.\n\n**Result:** Catch fraud before payment, protect company assets"
      },
      "typeVersion": 1
    },
    {
      "id": "8a173f21-6a0a-4428-916e-801b83eb1dda",
      "name": "스티커 메모 - 라우팅",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        800,
        -176
      ],
      "parameters": {
        "color": 3,
        "width": 720,
        "height": 772,
        "content": "## 🚦 Intelligent Routing & Approval Workflows\n\nAutomatically routes invoices based on risk level, amount, and fraud analysis.\n\n**Result:** Fast processing for legitimate invoices, rigorous checks for suspicious ones"
      },
      "typeVersion": 1
    },
    {
      "id": "30f7ee03-153b-4ab6-86ce-f01e014e42d1",
      "name": "스티커 메모 - 분석",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1632,
        96
      ],
      "parameters": {
        "color": 7,
        "width": 480,
        "height": 364,
        "content": "## 📊 Financial Analytics & Audit Trail\n\nComprehensive logging of all invoices for analytics, compliance, and audit purposes.\n\n**Result:** Data-driven financial operations with full transparency"
      },
      "typeVersion": 1
    },
    {
      "id": "399c8b7f-a346-4cab-a49f-337b8b1605f4",
      "name": "메시지 보내기",
      "type": "n8n-nodes-base.slack",
      "position": [
        992,
        0
      ],
      "webhookId": "9d823dcf-d08f-4c87-aef9-d9cb2b4b542a",
      "parameters": {
        "text": "=:rotating_light: *CRITICAL FRAUD ALERT* :rotating_light:\\n\\n*Invoice Details:*\\nVendor: {{ $('Parse Invoice Data').item.json.vendor_name }}\\nAmount: {{ $('Parse Invoice Data').item.json.currency }} {{ $('Parse Invoice Data').item.json.total_amount }}\\nInvoice #: {{ $('Parse Invoice Data').item.json.invoice_number }}\\n\\n*Risk Assessment:*\\nRisk Level: {{ $json.output.risk_level.toUpperCase() }}\\nRisk Score: {{ $json.output.risk_score }}/100\\nVendor Trust: {{ $json.output.vendor_trust_score }}/100\\n\\n*Red Flags:*\\n{{ $json.output.red_flags.map(flag => '• ' + flag).join('\\\\n') }}\\n\\n*Recommended Action:* {{ $json.output.recommended_action.toUpperCase().replace('_', ' ') }}\\n\\n:warning: *IMMEDIATE ACTION REQUIRED* - Do NOT process this invoice until investigated!",
        "select": "channel",
        "channelId": {
          "__rl": true,
          "mode": "list",
          "value": ""
        },
        "otherOptions": {}
      },
      "typeVersion": 2.3
    },
    {
      "id": "87e7a15b-abbc-4fbc-b1ba-fe987c2740c8",
      "name": "인보이스 업데이트",
      "type": "n8n-nodes-base.quickbooks",
      "position": [
        1104,
        368
      ],
      "parameters": {
        "resource": "invoice",
        "operation": "update",
        "updateFields": {}
      },
      "typeVersion": 1
    },
    {
      "id": "8faf07af-b384-43d9-910e-ad4991bddd87",
      "name": "JotForm 트리거",
      "type": "n8n-nodes-base.jotFormTrigger",
      "position": [
        -1488,
        256
      ],
      "webhookId": "209c111c-5573-466c-8602-b4d6e2f44659",
      "parameters": {
        "form": "252815253377461"
      },
      "credentials": {
        "jotFormApi": {
          "id": "cOSh16Q5l4e0EB1A",
          "name": "Jotform jitesh@mediajade.com"
        }
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "6b6c692c-9156-400b-938a-66f0ae41f11c",
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자주 묻는 질문
이 워크플로우를 어떻게 사용하나요?

위의 JSON 구성 코드를 복사하여 n8n 인스턴스에서 새 워크플로우를 생성하고 "JSON에서 가져오기"를 선택한 후, 구성을 붙여넣고 필요에 따라 인증 설정을 수정하세요.
이 워크플로우는 어떤 시나리오에 적합한가요?

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