Dumpling AIおよびGPT-4oを使用して、ウェブページのスクリーンショットから製品情報を抽出する
中級
これはAI, Marketing分野の自動化ワークフローで、11個のノードを含みます。主にSplitOut, GoogleDrive, HttpRequest, GoogleSheets, OpenAiなどのノードを使用、AI技術を活用したスマート自動化を実現。 ウェブスクリーンショットからDumpling AIとGPT-4oで製品情報を抽出
前提条件
- •Google Drive API認証情報
- •ターゲットAPIの認証情報が必要な場合あり
- •Google Sheets API認証情報
- •OpenAI API Key
ワークフロープレビュー
ノード接続関係を可視化、ズームとパンをサポート
ワークフローをエクスポート
以下のJSON設定をn8nにインポートして、このワークフローを使用できます
{
"id": "D3YKQWTlFoSxj7lp",
"meta": {
"instanceId": "a1ae5c8dc6c65e674f9c3947d083abcc749ef2546dff9f4ff01de4d6a36ebfe6",
"templateCredsSetupCompleted": true
},
"name": "Extract Product Info from Webpage Screenshots using Dumpling AI and GPT-4o",
"tags": [],
"nodes": [
{
"id": "fd1389e6-1495-4226-a158-db98a2a5b1ab",
"name": "スプレッドシートの新規URLをトリガー",
"type": "n8n-nodes-base.googleSheetsTrigger",
"position": [
-980,
-180
],
"parameters": {
"event": "rowAdded",
"options": {},
"pollTimes": {
"item": [
{
"mode": "everyMinute"
}
]
},
"sheetName": {
"__rl": true,
"mode": "list",
"value": "",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1TDp408j9W1D8DF21XI5WrpeIA56qWjLBRlmWXqgo0p4/edit#gid=0",
"cachedResultName": "Sheet1"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1TDp408j9W1D8DF21XI5WrpeIA56qWjLBRlmWXqgo0p4/edit?usp=drivesdk",
"cachedResultName": "Competitors"
}
},
"credentials": {
"googleSheetsTriggerOAuth2Api": {
"id": "qDzHSzTkclwDHpSR",
"name": "Google Sheets Trigger account"
}
},
"typeVersion": 1
},
{
"id": "0c6cf56f-8244-4131-96c0-2dee533c68d4",
"name": "Dumpling AIを使用したフルページスクリーンショット撮影",
"type": "n8n-nodes-base.httpRequest",
"position": [
-760,
-180
],
"parameters": {
"url": "https://app.dumplingai.com/api/v1/screenshot",
"method": "POST",
"options": {},
"jsonBody": "={\n \"url\":\"{{ $json.URL }}\",\n \"fullPage\": true\n}\n",
"sendBody": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
},
"credentials": {
"httpHeaderAuth": {
"id": "RLFzAcGRepr5eXZB",
"name": "n8n"
}
},
"typeVersion": 4.2
},
{
"id": "aa6ba2a5-6d25-4ca7-afef-05b688bf630b",
"name": "スクリーンショットから全表示データを抽出（Dumpling AI）",
"type": "n8n-nodes-base.httpRequest",
"position": [
-540,
-180
],
"parameters": {
"url": "https://app.dumplingai.com/api/v1/extract-image",
"method": "POST",
"options": {},
"jsonBody": "={\n \"inputMethod\": \"url\",\n \"images\": [\"{{ $json.screenshotUrl }}\"],\n \"prompt\": \"You are a detail-oriented assistant. Analyze the screenshot provided and extract all visible information in a clear and organized way. Include all text content exactly as it appears, labels, buttons, icons, or form field names, any numbers, figures, or timestamps, section headers or groupings, notes or messages if any, and table data or list items if present. Present the result in a neatly structured format using plain text. Do not summarize, interpret, or skip anything. Maintain the original order and layout as much as possible for clarity.\"\n}\n\n",
"sendBody": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
},
"credentials": {
"httpHeaderAuth": {
"id": "RLFzAcGRepr5eXZB",
"name": "n8n"
}
},
"typeVersion": 4.2
},
{
"id": "574a04b5-3b5a-4f7e-830a-de3cb580e355",
"name": "スクリーンショットファイルをダウンロード",
"type": "n8n-nodes-base.httpRequest",
"position": [
-320,
-180
],
"parameters": {
"url": "={{ $('Take Full-Page Screenshot using Dumpling AI').item.json.screenshotUrl }}",
"options": {}
},
"typeVersion": 4.2
},
{
"id": "41a174e8-15e5-4c95-840d-8b6a99ac3539",
"name": "ドライブフォルダにスクリーンショットを保存",
"type": "n8n-nodes-base.googleDrive",
"position": [
-100,
-180
],
"parameters": {
"driveId": {
"__rl": true,
"mode": "list",
"value": "My Drive"
},
"options": {},
"folderId": {
"__rl": true,
"mode": "list",
"value": "",
"cachedResultUrl": "https://drive.google.com/drive/folders/1TT91LtI3ods32838DMggLM8v397DTWIH",
"cachedResultName": "Webpage-Screenshoot"
}
},
"credentials": {
"googleDriveOAuth2Api": {
"id": "B0Hulh0j065xznhI",
"name": "Google Drive account 2"
}
},
"typeVersion": 3
},
{
"id": "fcd1c828-0704-4d74-87f0-601320ec1740",
"name": "スクリーンショットURLをスプレッドシートに記録",
"type": "n8n-nodes-base.googleSheets",
"position": [
120,
-180
],
"parameters": {
"columns": {
"value": {
"URL": "={{ $('Trigger on New URL in Sheet').item.json.URL }}",
"screenshoot URL": "={{ $('Take Full-Page Screenshot using Dumpling AI').item.json.screenshotUrl }}"
},
"schema": [
{
"id": "URL",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "URL",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "screenshoot URL",
"type": "string",
"display": true,
"required": false,
"displayName": "screenshoot URL",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Summary of the webpage",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "Summary of the webpage",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [
"URL"
],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {},
"operation": "appendOrUpdate",
"sheetName": {
"__rl": true,
"mode": "list",
"value": "",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1TDp408j9W1D8DF21XI5WrpeIA56qWjLBRlmWXqgo0p4/edit#gid=0",
"cachedResultName": "Sheet1"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1TDp408j9W1D8DF21XI5WrpeIA56qWjLBRlmWXqgo0p4/edit?usp=drivesdk",
"cachedResultName": "Competitors"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"id": "GaJqJHuS5mQxap7q",
"name": "Google Sheets account"
}
},
"typeVersion": 4.5
},
{
"id": "b8d6b452-be2d-41e2-aa67-911131ad66c5",
"name": "GPT-4oでスクリーンショットテキストから商品情報を抽出",
"type": "@n8n/n8n-nodes-langchain.openAi",
"position": [
340,
-180
],
"parameters": {
"modelId": {
"__rl": true,
"mode": "list",
"value": "gpt-4o",
"cachedResultName": "GPT-4O"
},
"options": {},
"messages": {
"values": [
{
"role": "system",
"content": "=Extract only the product-related information from the text. For each product, return a JSON object with the following fields: \"name\", \"ratings\", \"purchased\", \"price\", \"deal\", \"delivery\", \"buyingOptions\", \"colorOptions\", and \"badges\". Include only the available fields for each product. If a field is not mentioned for a product, skip it. Ignore unrelated content like navigation, help, or footer sections. Return the final output as a JSON object with a top-level \"products\" array containing the structured results.\n\nExample JSON output:\n{\n \"products\": [\n {\n \"name\": \"JBL Tune 510BT - Bluetooth headphones with up to 40 hours battery, microphone for call, foldable and comfortable\",\n \"ratings\": \"76,254\",\n \"purchased\": \"100K+ bought in past month\",\n \"price\": \"$49.95\",\n \"delivery\": \"FREE delivery Tue, May 27\",\n \"deal\": \"Free 30 day Amazon music with purchase\",\n \"buyingOptions\": \"$25.87 (2+ used & new offers)\",\n \"colorOptions\": [\"Black\", \"Blue\", \"White\", \"Purple\"]\n },\n {\n \"name\": \"Beats Studio Pro - Wireless Bluetooth Noise Cancelling Headphones\",\n \"ratings\": \"20,437\",\n \"purchased\": \"10K+ bought in past month\",\n \"price\": \"$199.95\",\n \"deal\": \"List: $349.95\",\n \"delivery\": \"FREE delivery Tue, May 27\",\n \"buyingOptions\": \"$146.65 (5+ used & new offers)\"\n }\n \n ]\n}"
},
{
"content": "=Here is the text: {{ $('Extract All Visible Data from Screenshot (Dumpling AI)').item.json.results }}"
}
]
},
"jsonOutput": true
},
"credentials": {
"openAiApi": {
"id": "fdhWALG84tBLgSZT",
"name": "OpenAi account"
}
},
"typeVersion": 1.8
},
{
"id": "2c390314-9d9c-464d-a80b-b8c1e12bb671",
"name": "各商品を個別レコードに分割",
"type": "n8n-nodes-base.splitOut",
"position": [
716,
-180
],
"parameters": {
"options": {},
"fieldToSplitOut": "message.content.products"
},
"typeVersion": 1
},
{
"id": "94b7e7bf-5b8f-431a-9020-ca39c409ce0d",
"name": "商品情報をGoogleシートに保存",
"type": "n8n-nodes-base.googleSheets",
"position": [
936,
-180
],
"parameters": {
"columns": {
"value": {
"deal": "={{ $json.deal }}",
"price": "={{ $json.price }}",
"ratings": "={{ $json.ratings }}",
"purchased": "={{ $json.purchased }}",
"Product Name": "={{ $json.name }}",
"buyingOptions": "={{ $json.buyingOptions }}"
},
"schema": [
{
"id": "Product Name",
"type": "string",
"display": true,
"required": false,
"displayName": "Product Name",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "price",
"type": "string",
"display": true,
"required": false,
"displayName": "price",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "purchased",
"type": "string",
"display": true,
"required": false,
"displayName": "purchased",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "ratings",
"type": "string",
"display": true,
"required": false,
"displayName": "ratings",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "deal",
"type": "string",
"display": true,
"required": false,
"displayName": "deal",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "buyingOptions",
"type": "string",
"display": true,
"required": false,
"displayName": "buyingOptions",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {},
"operation": "append",
"sheetName": {
"__rl": true,
"mode": "list",
"value": "",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1TDp408j9W1D8DF21XI5WrpeIA56qWjLBRlmWXqgo0p4/edit#gid=641974727",
"cachedResultName": "Sheet2"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1TDp408j9W1D8DF21XI5WrpeIA56qWjLBRlmWXqgo0p4/edit?usp=drivesdk",
"cachedResultName": "Competitors"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"id": "GaJqJHuS5mQxap7q",
"name": "Google Sheets account"
}
},
"typeVersion": 4.5
},
{
"id": "df27aa1a-1cbe-4913-90d1-09ac5a484677",
"name": "付箋ノート",
"type": "n8n-nodes-base.stickyNote",
"position": [
-960,
-360
],
"parameters": {
"width": 1000,
"height": 220,
"content": "### 📸 Automate Screenshot Capture & Text Extraction\n\nThis first part of the workflow begins by monitoring a Google Sheet for new URLs. When a new row is added, Dumpling AI captures a full-page screenshot of the given URL. Then, Dumpling AI’s extract-image endpoint pulls all visible text and UI elements from the screenshot. The file is downloaded and saved in Google Drive for future reference. A separate log of the screenshot URL is written back to the original spreadsheet.\n"
},
"typeVersion": 1
},
{
"id": "657a7360-b9d1-40c5-93a5-be032c22de88",
"name": "付箋ノート1",
"type": "n8n-nodes-base.stickyNote",
"position": [
80,
-360
],
"parameters": {
"width": 960,
"height": 220,
"content": "### 🛍️ Extract and Store Product Listings with GPT-4o\n\nAfter saving the screenshot, GPT-4o receives the extracted text and processes it to identify structured product details like name, price, rating, purchase volume, deals, and buying options. Each product is split into an individual record using a Split Out node. Finally, each product is appended to a different sheet for structured logging and analysis.\n"
},
"typeVersion": 1
}
],
"active": false,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "991d7669-24c9-40b5-b921-07c63f9778c0",
"connections": {
"574a04b5-3b5a-4f7e-830a-de3cb580e355": {
"main": [
[
{
"node": "41a174e8-15e5-4c95-840d-8b6a99ac3539",
"type": "main",
"index": 0
}
]
]
},
"fd1389e6-1495-4226-a158-db98a2a5b1ab": {
"main": [
[
{
"node": "0c6cf56f-8244-4131-96c0-2dee533c68d4",
"type": "main",
"index": 0
}
]
]
},
"41a174e8-15e5-4c95-840d-8b6a99ac3539": {
"main": [
[
{
"node": "fcd1c828-0704-4d74-87f0-601320ec1740",
"type": "main",
"index": 0
}
]
]
},
"fcd1c828-0704-4d74-87f0-601320ec1740": {
"main": [
[
{
"node": "b8d6b452-be2d-41e2-aa67-911131ad66c5",
"type": "main",
"index": 0
}
]
]
},
"2c390314-9d9c-464d-a80b-b8c1e12bb671": {
"main": [
[
{
"node": "94b7e7bf-5b8f-431a-9020-ca39c409ce0d",
"type": "main",
"index": 0
}
]
]
},
"0c6cf56f-8244-4131-96c0-2dee533c68d4": {
"main": [
[
{
"node": "aa6ba2a5-6d25-4ca7-afef-05b688bf630b",
"type": "main",
"index": 0
}
]
]
},
"b8d6b452-be2d-41e2-aa67-911131ad66c5": {
"main": [
[
{
"node": "2c390314-9d9c-464d-a80b-b8c1e12bb671",
"type": "main",
"index": 0
}
]
]
},
"aa6ba2a5-6d25-4ca7-afef-05b688bf630b": {
"main": [
[
{
"node": "574a04b5-3b5a-4f7e-830a-de3cb580e355",
"type": "main",
"index": 0
}
]
]
}
}
}よくある質問
このワークフローの使い方は？
上記のJSON設定コードをコピーし、n8nインスタンスで新しいワークフローを作成して「JSONからインポート」を選択、設定を貼り付けて認証情報を必要に応じて変更してください。
このワークフローはどんな場面に適していますか？
中級 - 人工知能, マーケティング
有料ですか？
このワークフローは完全無料です。ただし、ワークフローで使用するサードパーティサービス（OpenAI APIなど）は別途料金が発生する場合があります。
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