OpenAI GPT-Image-1で画像生成し、Telegram経由で共有
上級
これはDesign, AI, Marketing分野の自動化ワークフローで、18個のノードを含みます。主にSet, Switch, Telegram, FormTrigger, GoogleDrive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。 OpenAIのGPT-Image-1を使って画像の生成と編集を行い、Telegramで共有する
前提条件
- •Telegram Bot Token
- •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
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
{
"meta": {
"instanceId": "2fa7acc0cd134988fb8b40b8d8b56c9f29ee37789503fef505450e2733dc2bdf",
"templateCredsSetupCompleted": true
},
"nodes": [
{
"id": "0b66ad6f-d216-41f3-a6dc-61cf15a2044a",
"name": "アクセス権限の設定",
"type": "n8n-nodes-base.googleDrive",
"position": [
-2220,
-1000
],
"parameters": {
"fileId": {
"__rl": true,
"mode": "id",
"value": "={{ $json.id }}"
},
"options": {},
"operation": "share",
"permissionsUi": {
"permissionsValues": {
"role": "reader",
"type": "anyone"
}
},
"authentication": "serviceAccount"
},
"credentials": {
"googleApi": {
"id": "vM5RNejQ9XDoP6Ld",
"name": "Google Sheets n8n dev service account"
}
},
"typeVersion": 3
},
{
"id": "724b14c0-6763-47f5-87a1-ed0dde7e8a9e",
"name": "画像編集 (OpenAI)",
"type": "n8n-nodes-base.httpRequest",
"position": [
-3060,
-1000
],
"parameters": {
"url": "https://api.openai.com/v1/images/edits",
"method": "POST",
"options": {},
"sendBody": true,
"contentType": "multipart-form-data",
"authentication": "predefinedCredentialType",
"bodyParameters": {
"parameters": [
{
"name": "image",
"parameterType": "formBinaryData",
"inputDataFieldName": "={{ $json[\"input image url\"].isEmpty()?\"input_image\":\"data\"}}"
},
{
"name": "prompt",
"value": "={{ $json.Promt }}"
},
{
"name": "model",
"value": "gpt-image-1"
},
{
"name": "n",
"value": "1"
},
{
"name": "size",
"value": "1024x1024"
},
{
"name": "quality",
"value": "={{ $json.quality }}"
}
]
},
"nodeCredentialType": "openAiApi"
},
"credentials": {
"openAiApi": {
"id": "3ff0w5x5tfolokJ7",
"name": "OpenAi account mingles new dev user"
}
},
"typeVersion": 4.2
},
{
"id": "071f9711-3b73-411d-9962-b540f0b418c7",
"name": "json バイナリをファイルに変換",
"type": "n8n-nodes-base.convertToFile",
"position": [
-2740,
-620
],
"parameters": {
"options": {
"fileName": "={{ $now.format('yyyy-MM-dd_HHmmss')+\".png\" }}",
"mimeType": "image/png"
},
"operation": "toBinary",
"sourceProperty": "data[0].b64_json"
},
"typeVersion": 1.1
},
{
"id": "e22377ef-1bbf-4288-a625-d07a97d5667d",
"name": "json バイナリをファイルに変換 (最終)",
"type": "n8n-nodes-base.convertToFile",
"position": [
-2740,
-1000
],
"parameters": {
"options": {
"fileName": "={{ $now.format('yyyy-MM-dd_HHmmss')+\".png\" }}",
"mimeType": "image/png"
},
"operation": "toBinary",
"sourceProperty": "data[0].b64_json"
},
"typeVersion": 1.1
},
{
"id": "5aabd61e-5407-4be7-b6c9-ab77c7cadad7",
"name": "付箋1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-3140,
-780
],
"parameters": {
"color": 3,
"width": 280,
"height": 340,
"content": "### 🎨 Image Generation (OpenAI)\nSends a POST request to the OpenAI `/v1/images/generations` endpoint.\n\n- Uses `gpt-image-1` model"
},
"typeVersion": 1
},
{
"id": "93be8801-7fb4-42d7-af2d-1047b8c60d6e",
"name": "付箋2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-2840,
-1200
],
"parameters": {
"color": 5,
"width": 300,
"height": 760,
"content": "### 🧾 Convert base64 to File\nConverts the `b64_json` field into a binary PNG file to use in the next step.\n\n📤 Output: Final binary image\n"
},
"typeVersion": 1
},
{
"id": "aeafd971-28ad-4c5c-8d26-0d81f82fac01",
"name": "付箋3",
"type": "n8n-nodes-base.stickyNote",
"position": [
-3140,
-1200
],
"parameters": {
"color": 3,
"width": 280,
"height": 360,
"content": "### ✏️ Image to image generation (OpenAI)\nSends the binary image to OpenAI’s `/v1/images/edits` endpoint with a descriptive prompt.\n\n- Model: `gpt-image-1`"
},
"typeVersion": 1
},
{
"id": "930bba79-34c4-40da-b22f-4f42b9894705",
"name": "フォーム送信時",
"type": "n8n-nodes-base.formTrigger",
"position": [
-3860,
-840
],
"webhookId": "e3e1e092-d5fb-4e15-911e-3bc98e916c9f",
"parameters": {
"options": {},
"formTitle": "GPT image to image",
"formFields": {
"values": [
{
"fieldLabel": "Promt",
"requiredField": true
},
{
"fieldType": "dropdown",
"fieldLabel": "quality",
"fieldOptions": {
"values": [
{
"option": "low"
},
{
"option": "medium"
},
{
"option": "high"
}
]
},
"requiredField": true
},
{
"fieldType": "file",
"fieldLabel": "input image",
"multipleFiles": false,
"acceptFileTypes": ".png,.jpg,.jpeg"
},
{
"fieldLabel": "input image url"
}
]
},
"responseMode": "lastNode",
"authentication": "basicAuth"
},
"credentials": {
"httpBasicAuth": {
"id": "EzEYGeSYuNmHnrQn",
"name": "reels maker auth"
}
},
"typeVersion": 2.2
},
{
"id": "abb8a008-0dcb-427c-a00a-7c850790cf4f",
"name": "結果画像をimgbbにアップロード",
"type": "n8n-nodes-base.httpRequest",
"position": [
-2220,
-640
],
"parameters": {
"url": "https://api.imgbb.com/1/upload",
"method": "POST",
"options": {
"redirect": {
"redirect": {}
}
},
"sendBody": true,
"contentType": "multipart-form-data",
"bodyParameters": {
"parameters": [
{
"name": "image",
"parameterType": "formBinaryData",
"inputDataFieldName": "data"
},
{
"name": "key",
"value": "={{ $json.IMGBB_API_KEY }}"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "ec0fc073-15f9-4cdf-a2f4-19de2c2b3261",
"name": "結果画像をGoogle Driveにアップロード",
"type": "n8n-nodes-base.googleDrive",
"position": [
-2440,
-1000
],
"parameters": {
"name": "={{ $input.item.binary.data.fileName }}",
"driveId": {
"__rl": true,
"mode": "list",
"value": "My Drive",
"cachedResultUrl": "https://drive.google.com/drive/my-drive",
"cachedResultName": "My Drive"
},
"options": {},
"folderId": {
"__rl": true,
"mode": "list",
"value": "root",
"cachedResultUrl": "https://drive.google.com/drive",
"cachedResultName": "/ (Root folder)"
},
"authentication": "serviceAccount"
},
"credentials": {
"googleApi": {
"id": "vM5RNejQ9XDoP6Ld",
"name": "Google Sheets n8n dev service account"
}
},
"typeVersion": 3
},
{
"id": "7487229b-5e94-48d4-b84c-a5725e529e23",
"name": "ファイルリンク",
"type": "n8n-nodes-base.set",
"position": [
-2020,
-1000
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "df673a7d-7ff2-4c7e-835f-7c65e58c5ad4",
"name": "ViewLink",
"type": "string",
"value": "={{ $('Upload Result Image to Google Drive').item.json.webViewLink }}"
},
{
"id": "c3447718-d652-45d7-9c6f-6a1d4f29a68d",
"name": "ContentLink",
"type": "string",
"value": "={{ $('Upload Result Image to Google Drive').item.json.webContentLink }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "f4f2a07d-4a5e-45d9-96d6-0f5eb1359d6f",
"name": "URLによる入力画像の取得",
"type": "n8n-nodes-base.httpRequest",
"position": [
-3360,
-840
],
"parameters": {
"url": "={{ $json['input image url'] }}",
"options": {}
},
"typeVersion": 4.2
},
{
"id": "613aa7b5-8f63-490f-9026-de4971619e41",
"name": "API KEYの設定",
"type": "n8n-nodes-base.set",
"position": [
-2440,
-640
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "f0df22ed-6c69-4204-8cfb-8dae51ea8fd4",
"name": "IMGBB_API_KEY",
"type": "string",
"value": "IMGBB_API_KEY"
}
]
},
"includeOtherFields": true
},
"typeVersion": 3.4
},
{
"id": "5e276d4c-05c0-4aa2-9f3c-88669c2d259a",
"name": "付箋",
"type": "n8n-nodes-base.stickyNote",
"position": [
-2500,
-1200
],
"parameters": {
"color": 6,
"width": 640,
"height": 760,
"content": "## Upload result file to Google Drive OR to [imgbb](https://api.imgbb.com/)"
},
"typeVersion": 1
},
{
"id": "38760191-c39a-4a62-a222-324e5cd83590",
"name": "画像生成",
"type": "n8n-nodes-base.httpRequest",
"position": [
-3060,
-620
],
"parameters": {
"url": "https://api.openai.com/v1/images/generations",
"method": "POST",
"options": {},
"sendBody": true,
"authentication": "predefinedCredentialType",
"bodyParameters": {
"parameters": [
{
"name": "model",
"value": "gpt-image-1"
},
{
"name": "prompt",
"value": "={{ $json.Promt }}"
},
{
"name": "n",
"value": "={{Number(1)}}"
},
{
"name": "size",
"value": "1024x1024"
},
{
"name": "moderation",
"value": "low"
},
{
"name": "background",
"value": "auto"
},
{
"name": "quality",
"value": "={{ $json.quality }}"
}
]
},
"nodeCredentialType": "openAiApi"
},
"credentials": {
"openAiApi": {
"id": "3ff0w5x5tfolokJ7",
"name": "OpenAi account mingles new dev user"
}
},
"typeVersion": 4.2
},
{
"id": "6abaccab-b49b-41ab-86cd-8bf562472f9d",
"name": "ファイルリンク1",
"type": "n8n-nodes-base.set",
"position": [
-2000,
-640
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "df673a7d-7ff2-4c7e-835f-7c65e58c5ad4",
"name": "ViewLink",
"type": "string",
"value": "={{ $json.data.url }}"
},
{
"id": "c3447718-d652-45d7-9c6f-6a1d4f29a68d",
"name": "ContentLink",
"type": "string",
"value": "={{ $json.data.image.url }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "7443a6f2-3d0c-4fef-9dbe-56948ea8c17c",
"name": "Telegramに送信",
"type": "n8n-nodes-base.telegram",
"position": [
-1740,
-840
],
"webhookId": "150d64ce-d278-4459-b9b9-5d0dfb3afbd1",
"parameters": {
"file": "={{ $json.ContentLink }}",
"chatId": "YOUR_CHAT_ID",
"operation": "sendPhoto",
"additionalFields": {
"caption": "={{ $('On form submission').item.json.Promt }}\n{{ $('On form submission').item.json.quality }}\n\n[Result]({{ $json.ViewLink }})",
"parse_mode": "MarkdownV2"
}
},
"credentials": {
"telegramApi": {
"id": "ar7qqwMS6eFB8SaY",
"name": "NyroSikAIbot"
}
},
"typeVersion": 1.2
},
{
"id": "efe008a1-1dea-41f8-8778-1556cf0bbbea",
"name": "モード切替",
"type": "n8n-nodes-base.switch",
"position": [
-3640,
-840
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "file",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "6c2e2793-96f4-4d15-af76-926d1fdcee71",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ $json['input image'] !== null && $json['input image url'].isNotEmpty() }}",
"rightValue": ""
}
]
},
"renameOutput": true
},
{
"outputKey": "file_url",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "9d464a07-f5fe-48af-b524-6ca60479fda6",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ $json['input image url'] !== null && $json['input image url'].isNotEmpty() }}",
"rightValue": ""
}
]
},
"renameOutput": true
}
]
},
"options": {
"fallbackOutput": "extra"
}
},
"typeVersion": 3.2
}
],
"pinData": {},
"connections": {
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[
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},
"6abaccab-b49b-41ab-86cd-8bf562472f9d": {
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[
{
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},
"efe008a1-1dea-41f8-8778-1556cf0bbbea": {
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{
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"f4f2a07d-4a5e-45d9-96d6-0f5eb1359d6f": {
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},
"abb8a008-0dcb-427c-a00a-7c850790cf4f": {
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[
{
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},
"e22377ef-1bbf-4288-a625-d07a97d5667d": {
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[
{
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"type": "main",
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"ec0fc073-15f9-4cdf-a2f4-19de2c2b3261": {
"main": [
[
{
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"type": "main",
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}
}
}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？
上級 - デザイン, 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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