{ "name": "FilePost — Create Shopify product drafts from images with OpenAI", "nodes": [ { "parameters": { "content": "## Image-to-Shopify draft pipeline\n\nSend one product image URL plus price and SKU. The workflow:\n\n1. Validates and downloads the image.\n2. Hosts it with FilePost so Shopify and OpenAI receive a stable public URL.\n3. Uses the OpenAI Responses API with a real `input_image` block.\n4. Uses Shopify's current GraphQL `productSet` mutation to create a **draft** product for human review.\n\n### Setup\n- Install `n8n-nodes-filepost` and connect FilePost.\n- On **Analyze Product Image**, add Header Auth: `Authorization: Bearer YOUR_OPENAI_API_KEY`.\n- On **Create Shopify Draft**, add Header Auth: `X-Shopify-Access-Token: YOUR_TOKEN`.\n- Set `SHOPIFY_STORE` to the shop prefix (for example, `acme`, not the full domain).\n- Set `SHOPIFY_LOCATION_ID` to the inventory location GID, such as `gid://shopify/Location/123456789`.", "height": 560, "width": 620, "color": 7 }, "id": "6fa7eaaf-44e0-477a-8c06-30fe32691116", "name": "Setup and safety", "type": "n8n-nodes-base.stickyNote", "typeVersion": 1, "position": [-820, -400] }, { "parameters": { "httpMethod": "POST", "path": "filepost-shopify-product-draft", "responseMode": "responseNode", "options": {} }, "id": "7a62e132-3afb-4efd-a3d4-63aabcc7c13d", "name": "Receive Product Image", "type": "n8n-nodes-base.webhook", "typeVersion": 2, "position": [-780, 100], "webhookId": "filepost-shopify-draft-template" }, { "parameters": { "jsCode": "const body = $input.first().json.body || $input.first().json;\nif (!body.image_url) throw new Error('image_url is required');\nif (!body.price || Number(body.price) <= 0) throw new Error('price must be greater than zero');\nconst imageUrl = new URL(body.image_url);\nif (!['http:', 'https:'].includes(imageUrl.protocol)) throw new Error('image_url must use http or https');\nconst clean = (value, fallback = '') => String(value || fallback).trim().replace(/[\\r\\n]+/g, ' ').slice(0, 500);\nconst sku = clean(body.sku, `SKU-${Date.now()}`).toUpperCase().replace(/[^A-Z0-9_-]/g, '');\nreturn [{ json: {\n imageUrl: imageUrl.toString(),\n price: Number(body.price).toFixed(2),\n compareAtPrice: body.compare_at_price ? Number(body.compare_at_price).toFixed(2) : '',\n sku,\n vendor: clean(body.vendor, 'My Store'),\n productType: clean(body.product_type, ''),\n titleHint: clean(body.title, ''),\n descriptionHint: clean(body.description, ''),\n tagsHint: Array.isArray(body.tags) ? body.tags.map((tag) => clean(tag)).filter(Boolean).slice(0, 12) : [],\n inventoryQuantity: Math.max(0, Math.floor(Number(body.inventory_quantity ?? 1))),\n receivedAt: new Date().toISOString()\n} }];" }, "id": "0f916fe4-2130-4210-985f-5056851ef5b3", "name": "Validate Product Payload", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [-540, 100] }, { "parameters": { "url": "={{ $json.imageUrl }}", "options": { "response": { "response": { "responseFormat": "file", "outputPropertyName": "data" } } } }, "id": "4290aca3-fd3b-45c9-9e51-9b7bd5e2cc67", "name": "Download Product Image", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.2, "position": [-300, 100] }, { "parameters": { "operation": "upload", "binaryPropertyName": "data", "expiresIn": "", "filenameMode": "public" }, "id": "713fa135-9200-4ca8-9ef2-667750a73d44", "name": "Host Product Image with FilePost", "type": "n8n-nodes-filepost.filePost", "typeVersion": 1, "position": [-60, 100] }, { "parameters": { "jsCode": "const meta = $('Validate Product Payload').first().json;\nconst hosted = $input.first().json;\nconst prompt = `Analyze this product image for an ecommerce catalog. Return JSON with title, description_html, seo_description, product_type, and tags. Use the seller hints when they are accurate. Title hint: ${meta.titleHint || 'none'}. Description hint: ${meta.descriptionHint || 'none'}. Vendor: ${meta.vendor}. Product type hint: ${meta.productType || 'none'}. Existing tags: ${meta.tagsHint.join(', ') || 'none'}.`;\nreturn [{ json: { requestBody: {\n model: 'gpt-5.6-luna',\n input: [{ role: 'user', content: [\n { type: 'input_text', text: prompt },\n { type: 'input_image', image_url: hosted.url, detail: 'high' }\n ] }],\n text: { format: { type: 'json_object' } }\n}, filepostUrl: hosted.url, filepostFileId: hosted.file_id } }];" }, "id": "fc95b8af-9bdf-45a6-ab6b-2b91184a3caf", "name": "Build OpenAI Vision Request", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [180, 100] }, { "parameters": { "method": "POST", "url": "https://api.openai.com/v1/responses", "authentication": "genericCredentialType", "genericAuthType": "httpHeaderAuth", "sendBody": true, "specifyBody": "json", "jsonBody": "={{ JSON.stringify($json.requestBody) }}", "options": {} }, "id": "f88fc506-8d4e-4a97-bd1b-d99210a4ab5f", "name": "Analyze Product Image", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.2, "position": [420, 100] }, { "parameters": { "jsCode": "const response = $input.first().json;\nconst outputText = response.output_text || (response.output || []).flatMap((item) => item.content || []).find((part) => part.type === 'output_text')?.text;\nif (!outputText) throw new Error('OpenAI returned no output_text');\nlet ai;\ntry { ai = JSON.parse(outputText); } catch (error) { throw new Error(`OpenAI returned invalid JSON: ${error.message}`); }\nconst meta = $('Validate Product Payload').first().json;\nconst hosted = $('Build OpenAI Vision Request').first().json;\nconst title = String(ai.title || meta.titleHint || meta.sku).slice(0, 120);\nconst tags = Array.isArray(ai.tags) ? ai.tags.map(String).slice(0, 20) : meta.tagsHint;\nconst descriptionHtml = String(ai.description_html || meta.descriptionHint || '');\nconst seoDescription = String(ai.seo_description || '').slice(0, 320);\nconst productType = String(ai.product_type || meta.productType || '');\nconst locationId = String($vars.SHOPIFY_LOCATION_ID || '').trim();\nif (!locationId) throw new Error('Set the SHOPIFY_LOCATION_ID n8n variable before running this workflow');\nconst file = { originalSource: hosted.filepostUrl, alt: title, contentType: 'IMAGE' };\nconst variant = {\n optionValues: [{ optionName: 'Title', name: 'Default Title' }],\n price: meta.price,\n sku: meta.sku,\n inventoryItem: { tracked: true },\n inventoryQuantities: [{ locationId, name: 'available', quantity: meta.inventoryQuantity }]\n};\nif (meta.compareAtPrice) variant.compareAtPrice = meta.compareAtPrice;\nconst productSet = {\n title,\n descriptionHtml,\n vendor: meta.vendor,\n productType,\n status: 'DRAFT',\n tags,\n seo: seoDescription ? { title, description: seoDescription } : { title },\n productOptions: [{ name: 'Title', values: [{ name: 'Default Title' }] }],\n files: [file],\n variants: [variant]\n};\nconst query = `mutation CreateFilePostProductDraft($productSet: ProductSetInput!, $synchronous: Boolean!) {\n productSet(input: $productSet, synchronous: $synchronous) {\n product { id title status variants(first: 1) { nodes { id sku price compareAtPrice } } media(first: 5) { nodes { id alt mediaContentType status } } }\n userErrors { field message }\n }\n}`;\nreturn [{ json: {\n title,\n descriptionHtml,\n seoDescription,\n productType,\n tags,\n price: meta.price,\n compareAtPrice: meta.compareAtPrice,\n sku: meta.sku,\n vendor: meta.vendor,\n inventoryQuantity: meta.inventoryQuantity,\n imageUrl: hosted.filepostUrl,\n filepostFileId: hosted.filepostFileId,\n shopifyBody: { query, variables: { productSet, synchronous: true } },\n receivedAt: meta.receivedAt\n} }];" }, "id": "60c65178-893f-4f58-a202-0d31b56d0e50", "name": "Prepare Shopify Draft", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [660, 100] }, { "parameters": { "method": "POST", "url": "=https://{{ $vars.SHOPIFY_STORE }}.myshopify.com/admin/api/2026-07/graphql.json", "authentication": "genericCredentialType", "genericAuthType": "httpHeaderAuth", "sendBody": true, "specifyBody": "json", "jsonBody": "={{ JSON.stringify($json.shopifyBody) }}", "options": {} }, "id": "0d08f048-9f83-49b4-8e28-a36d781fd19d", "name": "Create Shopify Draft", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.2, "position": [900, 100] }, { "parameters": { "jsCode": "const payload = $input.first().json;\nconst result = payload.data?.productSet;\nconst errors = [\n ...(payload.errors || []).map((item) => item.message),\n ...(result?.userErrors || []).map((item) => `${(item.field || []).join('.')}: ${item.message}`)\n].filter(Boolean);\nif (errors.length || !result?.product) throw new Error(`Shopify could not create the draft: ${errors.join('; ') || 'no product returned'}`);\nconst shopify = result.product;\nconst draft = $('Prepare Shopify Draft').first().json;\nconst numericId = String(shopify.id).split('/').pop();\nreturn [{ json: {\n success: true,\n status: String(shopify.status || 'DRAFT').toLowerCase(),\n shopify_product_id: shopify.id,\n shopify_variant_id: shopify.variants?.nodes?.[0]?.id || null,\n title: shopify.title || draft.title,\n sku: shopify.variants?.nodes?.[0]?.sku || draft.sku,\n image_url: draft.imageUrl,\n filepost_file_id: draft.filepostFileId,\n admin_url: `https://${$vars.SHOPIFY_STORE}.myshopify.com/admin/products/${numericId}`\n} }];" }, "id": "4d9aad35-6bb4-463a-b195-778c118ee16b", "name": "Build Draft Result", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [1140, 100] }, { "parameters": { "respondWith": "json", "responseBody": "={{ $json }}", "options": {"responseCode": 201} }, "id": "a4a82a21-0a16-4fe8-87b4-2a13de341699", "name": "Return Draft Result", "type": "n8n-nodes-base.respondToWebhook", "typeVersion": 1.4, "position": [1380, 100] } ], "connections": { "Receive Product Image": {"main": [[{"node": "Validate Product Payload", "type": "main", "index": 0}]]}, "Validate Product Payload": {"main": [[{"node": "Download Product Image", "type": "main", "index": 0}]]}, "Download Product Image": {"main": [[{"node": "Host Product Image with FilePost", "type": "main", "index": 0}]]}, "Host Product Image with FilePost": {"main": [[{"node": "Build OpenAI Vision Request", "type": "main", "index": 0}]]}, "Build OpenAI Vision Request": {"main": [[{"node": "Analyze Product Image", "type": "main", "index": 0}]]}, "Analyze Product Image": {"main": [[{"node": "Prepare Shopify Draft", "type": "main", "index": 0}]]}, "Prepare Shopify Draft": {"main": [[{"node": "Create Shopify Draft", "type": "main", "index": 0}]]}, "Create Shopify Draft": {"main": [[{"node": "Build Draft Result", "type": "main", "index": 0}]]}, "Build Draft Result": {"main": [[{"node": "Return Draft Result", "type": "main", "index": 0}]]} }, "active": false, "settings": {"executionOrder": "v1"}, "versionId": "a6176769-0d6d-445f-8b49-b9794ccbd7ce", "meta": {"templateCredsSetupCompleted": false}, "tags": [] }