Workflow: HTTP Webhook Process

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    "meta": {
        "instanceId": "c59c4acfed171bdc864e7c432be610946898c3ee271693e0303565c953d88c1d",
        "templateCredsSetupCompleted": true
    },
    "name": "Transform Image to Lego Style Using Line and Dall-E",
    "tags": [],
    "nodes": [
        {
            "id": "82b62d4e-a263-4232-9bae-4c581db2269c",
            "name": "Receive a Line Webhook",
            "type": "n8n-nodes-base.webhook",
            "position": [
                0,
                0
            ],
            "webhookId": "2a27c148-3977-485f-b197-567c96671023",
            "parameters": {
                "path": "lineimage",
                "options": [],
                "httpMethod": "POST"
            },
            "typeVersion": 2
        },
        {
            "id": "f861c4eb-3d4f-4253-810f-8032602f079b",
            "name": "Receive Line Messages",
            "type": "n8n-nodes-base.httpRequest",
            "position": [
                220,
                0
            ],
            "parameters": {
                "url": "=https:\/\/api-data.line.me\/v2\/bot\/message\/{{ $json.body.events[0].message.id }}\/content",
                "options": [],
                "jsonHeaders": "={\n\"Authorization\": \"Bearer YOUR_LINE_BOT_TOKEN\",\n\"Content-Type\": \"application\/json\"\n}",
                "sendHeaders": true,
                "specifyHeaders": "json"
            },
            "typeVersion": 4.20000000000000017763568394002504646778106689453125
        },
        {
            "id": "da3a9188-028d-4c75-b23f-5f1f4e50784c",
            "name": "Creating an Image using Dall-E",
            "type": "@n8n\/n8n-nodes-langchain.openAi",
            "position": [
                860,
                0
            ],
            "parameters": {
                "prompt": "={{ $json.content }}",
                "options": {
                    "returnImageUrls": true
                },
                "resource": "image"
            },
            "credentials": {
                "openAiApi": {
                    "id": "YOUR_OPENAI_CREDENTIAL_ID",
                    "name": "OpenAi account"
                }
            },
            "typeVersion": 1.6999999999999999555910790149937383830547332763671875
        },
        {
            "id": "36c826e5-eacd-43ad-b663-4d788005e61a",
            "name": "Creating a Prompt for Dall-E (Lego Style)",
            "type": "@n8n\/n8n-nodes-langchain.openAi",
            "position": [
                540,
                0
            ],
            "parameters": {
                "text": "Creating the DALL\u00b7E 3 prompt to transform this kind of image into a isometric LEGO image (Only provide me with a prompt).",
                "modelId": {
                    "__rl": true,
                    "mode": "list",
                    "value": "gpt-4o-mini",
                    "cachedResultName": "GPT-4O-MINI"
                },
                "options": [],
                "resource": "image",
                "inputType": "base64",
                "operation": "analyze",
                "binaryPropertyName": "=data"
            },
            "credentials": {
                "openAiApi": {
                    "id": "YOUR_OPENAI_CREDENTIAL_ID",
                    "name": "OpenAi account"
                }
            },
            "typeVersion": 1.6999999999999999555910790149937383830547332763671875
        },
        {
            "id": "3c19f931-9ca0-4bd7-b4eb-1628d89bbba1",
            "name": "Send Back an Image through Line",
            "type": "n8n-nodes-base.httpRequest",
            "position": [
                1160,
                0
            ],
            "parameters": {
                "url": "https:\/\/api.line.me\/v2\/bot\/message\/reply",
                "method": "POST",
                "options": [],
                "jsonBody": "={\n  \"replyToken\": \"{{ $('Receive a Line Webhook').item.json.body.events[0].replyToken }}\",\n  \"messages\": [\n    {\n      \"type\": \"image\",\n      \"originalContentUrl\": \"{{ $json.url }}\",\n      \"previewImageUrl\": \"{{ $json.url }}\"\n    }\n  ]\n}",
                "sendBody": true,
                "jsonHeaders": "{\n\"Authorization\": \"Bearer YOUR_LINE_BOT_TOKEN\",\n\"Content-Type\": \"application\/json\"\n}",
                "sendHeaders": true,
                "specifyBody": "json",
                "specifyHeaders": "json"
            },
            "typeVersion": 4.20000000000000017763568394002504646778106689453125
        }
    ],
    "active": false,
    "pinData": [],
    "settings": {
        "executionOrder": "v1"
    },
    "versionId": "",
    "connections": {
        "Receive Line Messages": {
            "main": [
                [
                    {
                        "node": "Creating a Prompt for Dall-E (Lego Style)",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Receive a Line Webhook": {
            "main": [
                [
                    {
                        "node": "Receive Line Messages",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Creating an Image using Dall-E": {
            "main": [
                [
                    {
                        "node": "Send Back an Image through Line",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Creating a Prompt for Dall-E (Lego Style)": {
            "main": [
                [
                    {
                        "node": "Creating an Image using Dall-E",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        }
    }
}