{ "nodes": [ { "parameters": { "httpMethod": "POST", "path": "amazon-pdp", "responseMode": "responseNode", "options": {} }, "type": "n8n-nodes-base.webhook", "typeVersion": 2, "position": [ 656, 1600 ], "id": "8c1180d4-11b1-4c85-87cd-daab66226655", "name": "Webhook Trigger" }, { "parameters": { "options": { "temperature": 0.3 } }, "type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini", "typeVersion": 1, "position": [ 960, 1824 ], "id": "397aaf55-4fec-4f5d-a199-03fccdfaa49e", "name": "Extract Product Data", "credentials": { "googlePalmApi": { "name": "" } } }, { "parameters": { "jsCode": "// Parse AI output and normalize product data\nconst input = $input.first();\n\n// Get binary image from webhook\nconst webhookData = $('Webhook Trigger').first();\nconst binaryData = webhookData.binary;\nconst extraPrompt = webhookData.json.body?.extra_prompt || '';\n\n// Get raw text from AI response\nlet rawText = input.json.text || input.json.content || input.json.message?.content || input.json.output || '';\n\n// If rawText is an object, stringify it\nif (typeof rawText === 'object') {\n rawText = JSON.stringify(rawText);\n}\n\n// Remove markdown code fences if present\nrawText = rawText\n .replace(/^```json\\s*/i, '')\n .replace(/^```\\s*/i, '')\n .replace(/\\s*```$/i, '')\n .trim();\n\n// Handle escaped newlines\nrawText = rawText.replace(/\\\\n/g, '\\n');\n\n// Extract JSON from the response\nlet extracted;\ntry {\n extracted = JSON.parse(rawText);\n} catch (e) {\n // Try to find JSON object in the text\n const jsonMatch = rawText.match(/\\{[\\s\\S]*\\}/);\n if (jsonMatch) {\n try {\n extracted = JSON.parse(jsonMatch[0]);\n } catch (e2) {\n throw new Error('Could not parse AI response as JSON: ' + rawText.substring(0, 200));\n }\n } else {\n throw new Error('No JSON found in AI response: ' + rawText.substring(0, 200));\n }\n}\n\n// Normalize helper functions\nconst toArray = (val) => {\n if (Array.isArray(val)) return val.filter(v => v && String(v).trim());\n if (typeof val === 'string' && val.trim()) {\n return val.split(/[,;\\n]/).map(s => s.trim()).filter(Boolean);\n }\n return [];\n};\n\nconst toString = (val) => {\n if (typeof val === 'string') return val.trim();\n if (Array.isArray(val)) return val.join(', ');\n return '';\n};\n\n// Normalized output\nconst productData = {\n brand_name: toString(extracted.brand_name) || 'Premium Brand',\n product_name: toString(extracted.product_name) || 'Natural Product',\n tagline: toString(extracted.tagline) || 'Quality You Can Trust',\n ingredients: toArray(extracted.ingredients),\n benefits: toArray(extracted.benefits),\n usage: toArray(extracted.usage),\n claims: toArray(extracted.claims),\n trust_info: toArray(extracted.trust_info),\n shelf_life: toString(extracted.shelf_life),\n origin: toString(extracted.origin),\n extra_prompt: extraPrompt,\n \n // Pre-formatted strings for prompts\n ingredients_text: toArray(extracted.ingredients).slice(0, 5).join(', ') || 'Natural Ingredients',\n benefits_text: toArray(extracted.benefits).slice(0, 4).map(b => '\u2022 ' + b).join('\\n') || '\u2022 Premium Quality',\n usage_text: toArray(extracted.usage).slice(0, 3).map(u => '\u2022 ' + u).join('\\n') || '\u2022 Everyday Use',\n claims_text: toArray(extracted.claims).slice(0, 4).join(' | ') || 'Premium Quality',\n trust_text: toArray(extracted.trust_info).slice(0, 4).join(' | ') || 'Certified Quality'\n};\n\n// Return with binary data passed through from Webhook Trigger\n// The binary image will be available as $binary.image in downstream nodes\nreturn [{ json: productData, binary: binaryData }];" }, "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 1232, 1600 ], "id": "e94000aa-cd46-4010-ab21-a5df6c4823fd", "name": "Normalize Product Data" }, { "parameters": { "resource": "image", "operation": "edit", "modelId": { "__rl": true, "value": "models/gemini-3-pro-image-preview", "mode": "list", "cachedResultName": "models/gemini-3-pro-image-preview (Nano Banana Pro)" }, "prompt": "=You are generating an Amazon product detail page HERO image.\n\nBrand: {{ $json.brand_name }}\nProduct: {{ $json.product_name }}\nTagline: {{ $json.tagline }}\n\nIMAGE REQUIREMENTS:\n- Premium Amazon PDP hero shot\n- Product bottle/package centered prominently\n- Clean white or soft gradient background\n- Professional studio lighting with soft shadows\n- Slight reflection on surface\n- Brand name and tagline displayed elegantly\n- Modern, premium e-commerce aesthetic\n- High contrast, sharp details\n\nReference product image provided - KEEP THE EXACT PRODUCT PACKAGING.\nDo NOT redesign or distort the label.\n\nThis is IMAGE 1 of 6 in the Amazon listing set.", "images": { "values": [ { "binaryPropertyName": "image" } ] }, "options": {} }, "type": "@n8n/n8n-nodes-langchain.googleGemini", "typeVersion": 1, "position": [ 1456, 1120 ], "id": "ef75060e-f3e0-4752-9408-96934667e88e", "name": "Generate Hero Image", "credentials": { "googlePalmApi": { "name": "" } } }, { "parameters": { "resource": "image", "operation": "edit", "modelId": { "__rl": true, "value": "models/gemini-3-pro-image-preview", "mode": "list", "cachedResultName": "models/gemini-3-pro-image-preview (Nano Banana Pro)" }, "prompt": "=You are generating an Amazon product detail page INGREDIENTS image.\n\nBrand: {{ $json.brand_name }}\nProduct: {{ $json.product_name }}\nKey Ingredients: {{ $json.ingredients_text }}\n\nIMAGE REQUIREMENTS:\n- Product bottle positioned on LEFT side (30% of frame)\n- RIGHT side shows ingredient visualization\n- Display each ingredient with small illustrated icons or realistic photos\n- Clean infographic layout\n- Text header: \"Key Ingredients\" or \"What's Inside\"\n- Ingredient labels next to each icon\n- Same lighting and background style as hero image\n- Soft connecting lines from ingredients to product\n- Premium Amazon PDP aesthetic\n\nThis is IMAGE 2 of 6 in the Amazon listing set.", "images": { "values": [ { "binaryPropertyName": "image" } ] }, "options": {} }, "type": "@n8n/n8n-nodes-langchain.googleGemini", "typeVersion": 1, "position": [ 1456, 1312 ], "id": "01dd06fb-7514-42e0-809c-9861418e4f42", "name": "Generate Ingredients Image", "credentials": { "googlePalmApi": { "name": "" } } }, { "parameters": { "resource": "image", "operation": "edit", "modelId": { "__rl": true, "value": "models/gemini-3-pro-image-preview", "mode": "list", "cachedResultName": "models/gemini-3-pro-image-preview (Nano Banana Pro)" }, "prompt": "=You are generating an Amazon product detail page BENEFITS image.\n\nBrand: {{ $json.brand_name }}\nProduct: {{ $json.product_name }}\nBenefits:\n{{ $json.benefits_text }}\n\nIMAGE REQUIREMENTS:\n- Product bottle positioned on LEFT side\n- RIGHT side shows benefits as bullet points or icons\n- Use simple, clean icons next to each benefit\n- Text header: \"Why Choose {{ $json.product_name }}?\" or \"Benefits\"\n- Balanced grid or vertical list layout\n- Readable sans-serif typography\n- Same lighting and premium background as other images\n- Professional Amazon infographic style\n\nThis is IMAGE 3 of 6 in the Amazon listing set.", "images": { "values": [ { "binaryPropertyName": "image" } ] }, "options": {} }, "type": "@n8n/n8n-nodes-langchain.googleGemini", "typeVersion": 1, "position": [ 1456, 1504 ], "id": "f7a759d7-e005-4d67-8427-9638b8729529", "name": "Generate Benefits Image", "credentials": { "googlePalmApi": { "name": "" } } }, { "parameters": { "resource": "image", "operation": "edit", "modelId": { "__rl": true, "value": "models/gemini-3-pro-image-preview", "mode": "list", "cachedResultName": "models/gemini-3-pro-image-preview (Nano Banana Pro)" }, "prompt": "=You are generating an Amazon product detail page CLEAN LABEL / TRUST image.\n\nBrand: {{ $json.brand_name }}\nProduct: {{ $json.product_name }}\nTrust Claims: {{ $json.claims_text }}\nCertifications: {{ $json.trust_text }}\n\nIMAGE REQUIREMENTS:\n- Product bottle CENTERED prominently\n- Trust badges and certification icons arranged around product\n- Show claims like: No Artificial Colors, No Preservatives, etc.\n- Display certifications: FSSAI, Organic, etc. as badge icons\n- Clean, minimal layout focused on trust\n- Green checkmarks or shield icons for trust signals\n- Text header: \"Clean & Safe\" or \"Our Promise\"\n- Same premium lighting and background\n- Professional trust-focused Amazon aesthetic\n\nThis is IMAGE 4 of 6 in the Amazon listing set.", "images": { "values": [ { "binaryPropertyName": "image" } ] }, "options": {} }, "type": "@n8n/n8n-nodes-langchain.googleGemini", "typeVersion": 1, "position": [ 1456, 1696 ], "id": "2d9d2bb5-8a91-4820-b7ec-ea1df77061f6", "name": "Generate Trust Image", "credentials": { "googlePalmApi": { "name": "" } } }, { "parameters": { "resource": "image", "operation": "edit", "modelId": { "__rl": true, "value": "models/gemini-3-pro-image-preview", "mode": "list", "cachedResultName": "models/gemini-3-pro-image-preview (Nano Banana Pro)" }, "prompt": "=You are generating an Amazon product detail page USAGE / LIFESTYLE image.\n\nBrand: {{ $json.brand_name }}\nProduct: {{ $json.product_name }}\nUsage Occasions:\n{{ $json.usage_text }}\n\nIMAGE REQUIREMENTS:\n- Lifestyle-oriented composition\n- Product shown in USE CONTEXT (on table, being held, etc.)\n- Warm, inviting atmosphere\n- Show usage occasions as text overlays or small scene vignettes\n- Text header: \"Perfect For\" or \"How To Enjoy\"\n- Friendly, relatable aesthetic\n- Soft natural lighting feel\n- People hands or lifestyle props optional\n- Same brand colors and premium feel\n\nThis is IMAGE 5 of 6 in the Amazon listing set.", "images": { "values": [ { "binaryPropertyName": "image" } ] }, "options": {} }, "type": "@n8n/n8n-nodes-langchain.googleGemini", "typeVersion": 1, "position": [ 1456, 1888 ], "id": "b1f0d384-daeb-4d65-bf61-135cc6f6632f", "name": "Generate Usage Image", "credentials": { "googlePalmApi": { "name": "" } } }, { "parameters": { "resource": "image", "operation": "edit", "modelId": { "__rl": true, "value": "models/gemini-3-pro-image-preview", "mode": "list", "cachedResultName": "models/gemini-3-pro-image-preview (Nano Banana Pro)" }, "prompt": "=You are generating an Amazon product detail page BRAND PROMISE image.\n\nBrand: {{ $json.brand_name }}\nProduct: {{ $json.product_name }}\nTagline: {{ $json.tagline }}\nOrigin: {{ $json.origin }}\nShelf Life: {{ $json.shelf_life }}\n\nIMAGE REQUIREMENTS:\n- Final closing image for the listing\n- Product bottle slightly angled, prominent\n- Brand promise messaging:\n - \"{{ $json.tagline }}\"\n - Made in {{ $json.origin }}\n - {{ $json.shelf_life }} Shelf Life (if available)\n- Strong brand identity colors\n- Premium, confident composition\n- Call-to-action feel: \"Try {{ $json.product_name }} Today\"\n- Same lighting and premium background as other images\n- Professional Amazon closing slide aesthetic\n\nThis is IMAGE 6 of 6 - the FINAL image in the Amazon listing set.", "images": { "values": [ { "binaryPropertyName": "image" } ] }, "options": {} }, "type": "@n8n/n8n-nodes-langchain.googleGemini", "typeVersion": 1, "position": [ 1456, 2080 ], "id": "babafe32-4052-404d-8cd3-6d3688727ec2", "name": "Generate Brand Promise Image", "credentials": { "googlePalmApi": { "name": "" } } }, { "parameters": { "jsCode": "// Collect all images from converted base64 data\nconst items = $input.all();\n\nconst imageNames = [\n '01_Hero',\n '02_Ingredients',\n '03_Benefits',\n '04_Trust',\n '05_Usage',\n '06_Brand_Promise'\n];\n\nconst images = [];\n\nfor (let i = 0; i < items.length; i++) {\n const item = items[i];\n const imageName = imageNames[i] || `Image_${i + 1}`;\n \n // The Convert to File node puts base64 in json.data\n let base64Data = item.json?.data || item.json?.base64 || '';\n let mimeType = item.json?.mimeType || 'image/png';\n \n if (base64Data) {\n // Ensure proper data URL format\n const dataUrl = base64Data.startsWith('data:') \n ? base64Data \n : `data:${mimeType};base64,${base64Data}`;\n \n images.push({\n data: dataUrl,\n name: imageName\n });\n } else {\n images.push({\n data: '',\n name: imageName,\n error: 'No base64 data found'\n });\n }\n}\n\nreturn [{ \n json: { \n success: images.filter(i => i.data).length > 0,\n count: images.filter(i => i.data).length,\n images: images \n } \n}];" }, "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 2128, 1600 ], "id": "aa8255b5-6ff2-4733-a0e9-c84275d5ab58", "name": "Collect All Images" }, { "parameters": { "respondWith": "json", "responseBody": "={{ $json }}", "options": {} }, "type": "n8n-nodes-base.respondToWebhook", "typeVersion": 1.1, "position": [ 2352, 1600 ], "id": "4abc1a1a-788c-4622-907c-3086d2601443", "name": "Respond to Webhook" }, { "parameters": { "promptType": "define", "text": "=You are a product data extraction expert. Extract structured product information from the following raw description.\n\nRaw Description:\n{{ $json.body.raw_description }}\n\n---\n\nRules:\n- Extract ONLY what is explicitly mentioned or clearly implied\n- Do NOT hallucinate or invent information\n- Rewrite extracted info into short, marketing-friendly phrases\n- If a field has no relevant data, use an empty string or empty array\n\nReturn a valid JSON object with this exact structure:\n{\n \"brand_name\": \"string\",\n \"product_name\": \"string\",\n \"tagline\": \"string (short catchy phrase)\",\n \"ingredients\": [\"ingredient1\", \"ingredient2\", ...],\n \"benefits\": [\"benefit1\", \"benefit2\", ...],\n \"usage\": [\"use case 1\", \"use case 2\", ...],\n \"claims\": [\"claim1\", \"claim2\", ...],\n \"trust_info\": [\"certification1\", \"certification2\", ...],\n \"shelf_life\": \"string\",\n \"origin\": \"string\"\n}\n\nRespond with ONLY the JSON object, no explanations.", "options": {} }, "type": "@n8n/n8n-nodes-langchain.agent", "typeVersion": 3.1, "position": [ 880, 1600 ], "id": "23793da6-3581-4894-a2f0-8e3a63d6e723", "name": "AI Agent" }, { "parameters": { "numberInputs": 6 }, "type": "n8n-nodes-base.merge", "typeVersion": 3.2, "position": [ 1904, 1536 ], "id": "e0fb7809-e553-4720-a9f8-b172a0457688", "name": "Merge" }, { "parameters": { "operation": "upload", "bucketName": "amazon-image-data", "fileName": "edited", "binaryPropertyName": "edited", "additionalFields": {} }, "type": "n8n-nodes-base.awsS3", "typeVersion": 2, "position": [ 1664, 1120 ], "id": "1ff72f8f-9b81-4972-9309-9c27e5eb530b", "name": "Upload a file", "credentials": { "aws": { "name": "" } } } ], "connections": { "Webhook Trigger": { "main": [ [ { "node": "AI Agent", "type": "main", "index": 0 } ] ] }, "Extract Product Data": { "ai_languageModel": [ [ { "node": "AI Agent", "type": "ai_languageModel", "index": 0 } ] ] }, "Normalize Product Data": { "main": [ [ { "node": "Generate Hero Image", "type": "main", "index": 0 }, { "node": "Generate Ingredients Image", "type": "main", "index": 0 }, { "node": "Generate Benefits Image", "type": "main", "index": 0 }, { "node": "Generate Trust Image", "type": "main", "index": 0 }, { "node": "Generate Usage Image", "type": "main", "index": 0 }, { "node": "Generate Brand Promise Image", "type": "main", "index": 0 } ] ] }, "Generate Hero Image": { "main": [ [ { "node": "Upload a file", "type": "main", "index": 0 } ] ] }, "Generate Ingredients Image": { "main": [ [] ] }, "Generate Benefits Image": { "main": [ [] ] }, "Generate Trust Image": { "main": [ [] ] }, "Generate Usage Image": { "main": [ [] ] }, "Generate Brand Promise Image": { "main": [ [] ] }, "Collect All Images": { "main": [ [ { "node": "Respond to Webhook", "type": "main", "index": 0 } ] ] }, "AI Agent": { "main": [ [ { "node": "Normalize Product Data", "type": "main", "index": 0 } ] ] }, "Merge": { "main": [ [ { "node": "Collect All Images", "type": "main", "index": 0 } ] ] } }, "meta": { "templateCredsSetupCompleted": true } }