Telegram経由でChatGPT-4o-miniを使った自動インボイス分析

• •Telegram Bot Token
• •ターゲットAPIの認証情報が必要な場合あり
• •OpenAI API Key

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      "parameters": {
        "options": {
          "temperature": 0.2
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      "credentials": {
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      "parameters": {
        "jsCode": "const aiResponse = $input.first().json.output;\nconst originalMessage = $('Telegram Trigger').first().json;\n\nreturn {\n  json: {\n    chatId: originalMessage.message.chat.id,\n    analysis: aiResponse,\n    fileName: originalMessage.message.document?.file_name || 'Unknown',\n    timestamp: new Date().toISOString()\n  }\n};"
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        "chatId": "={{ $json.chatId }}",
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      "webhookId": "b419141c-c0cc-42ba-a2af-6ff60bfa6ba6",
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        "text": "❌ Please send a document file (PDF or image) to check the invoice.",
        "chatId": "={{ $json.message.chat.id }}",
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        "content": "## Introduction\nUpload invoices via Telegram, receive structured data instantly. Perfect for accountants and finance teams.\n## How It Works\nTelegram bot receives invoices, downloads files, extracts data using OpenAI, then returns analysis.\n## Workflow Template\nTelegram Trigger → Document Check → Get File → HTTP Download → AI Extract → Format Response → Send to Telegram\n## Workflow Steps\n1. **Telegram Trigger:** Listens for uploads.\n2. **Document Check:** Validates files; routes errors.\n3. **Get File:** Retrieves metadata.\n4. **HTTP Download:** Fetches content.\n5. **AI Extract:** OpenAI parses invoice fields.\n6. **Format Response:** Structures data.\n7. **Send Analysis:** Delivers to chat.\n## Setup Instructions\n1. **Telegram Bot:** Create via BotFather, add credentials.\n2. **OpenAI Agent:** Add API key and extraction prompt.\n3. **HTTP Node:** Set authentication.\n4. **Parser:** Define invoice schema.\n5. **Error Handling:** Configure fallbacks.\n"
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        "content": "## Prerequisites\n- n8n instance\n- Telegram Bot Token\n- OpenAI API key\n## Customization\n- Database storage\n- Accounting software integration\n## Benefits\n- Eliminates manual entry\n- Reduces errors"
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