This workflow follows the Error Trigger → HTTP Request recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"name": "05 - Content Intake (Form + WhatsApp)",
"nodes": [
{
"id": "form-trigger",
"name": "Content Submission Form",
"type": "n8n-nodes-base.formTrigger",
"typeVersion": 2,
"position": [
250,
300
],
"parameters": {
"formTitle": "Post New Product Content",
"formDescription": "Submit content to be published on Facebook and Instagram",
"formFields": {
"values": [
{
"fieldLabel": "title",
"fieldType": "text",
"requiredField": true,
"placeholder": "e.g. TP-Link AX3000 Wi-Fi 6 Router"
},
{
"fieldLabel": "image",
"fieldType": "file",
"requiredField": false,
"acceptFileTypes": ".jpg,.jpeg,.png,.webp"
},
{
"fieldLabel": "description",
"fieldType": "textarea",
"requiredField": false,
"placeholder": "Optional: describe the product (leave blank for AI to generate)"
}
]
},
"responseMode": "responseNode",
"options": {}
}
},
{
"id": "extract-fields",
"name": "Extract Submitted Fields",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
470,
300
],
"parameters": {
"jsCode": "const formData = $input.item.json;\nconst title = formData.title || formData.data?.title || '';\nconst description = formData.description || formData.data?.description || '';\nconst imageUrl = formData.image || formData.data?.image || '';\n\nif (!title.trim()) {\n throw new Error('Title is required');\n}\n\nreturn [{ json: {\n title: title.trim(),\n description: description.trim(),\n imageUrl: imageUrl.trim(),\n hasImage: imageUrl.trim().length > 0,\n hasDescription: description.trim().length > 0,\n}}];"
}
},
{
"id": "check-image",
"name": "Has Image?",
"type": "n8n-nodes-base.if",
"typeVersion": 2,
"position": [
690,
300
],
"parameters": {
"conditions": {
"options": {
"caseSensitive": false,
"leftValue": "",
"typeValidation": "loose"
},
"conditions": [
{
"id": "cond-has-image",
"leftValue": "={{ $json.hasImage }}",
"rightValue": true,
"operator": {
"type": "boolean",
"operation": "true"
}
}
],
"combinator": "and"
}
}
},
{
"id": "upload-provided-image",
"name": "Upload Provided Image to Cloudinary",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
910,
150
],
"parameters": {
"method": "POST",
"url": "=https://api.cloudinary.com/v1_1/{{ $env.CLOUDINARY_CLOUD_NAME }}/image/upload",
"sendBody": true,
"contentType": "form-urlencoded",
"bodyParameters": {
"parameters": [
{
"name": "file",
"value": "={{ $('Extract Submitted Fields').item.json.imageUrl }}"
},
{
"name": "api_key",
"value": "={{ $env.CLOUDINARY_API_KEY }}"
},
{
"name": "upload_preset",
"value": "sales_bot_unsigned"
},
{
"name": "folder",
"value": "products"
}
]
}
}
},
{
"id": "groq-image-prompt",
"name": "Groq: Build FLUX Image Prompt",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
910,
450
],
"parameters": {
"method": "POST",
"url": "https://api.groq.com/openai/v1/chat/completions",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "=Bearer {{ $env.GROQ_API_KEY }}"
},
{
"name": "Content-Type",
"value": "application/json"
}
]
},
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify({ model: 'meta/llama-3.3-70b-instruct', messages: [{ role: 'system', content: 'You are a product photography prompt writer. Write a single FLUX 1 image generation prompt for a professional product photo. Output only the prompt, nothing else.' }, { role: 'user', content: 'Product: ' + $('Extract Submitted Fields').item.json.title }], max_tokens: 150, temperature: 0.5 }) }}"
}
},
{
"id": "nvidia-flux",
"name": "NVIDIA FLUX: Generate Product Image",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
1130,
450
],
"parameters": {
"method": "POST",
"url": "https://ai.api.nvidia.com/v1/genai/black-forest-labs/flux.1-dev",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "=Bearer {{ $env.NVIDIA_FLUX_API_KEY }}"
},
{
"name": "Content-Type",
"value": "application/json"
}
]
},
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify({ prompt: $json.choices[0].message.content, width: 1024, height: 1024, num_inference_steps: 20, guidance_scale: 3.5, seed: Math.floor(Math.random() * 999999) }) }}"
}
},
{
"id": "upload-flux-image",
"name": "Upload AI Image to Cloudinary",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
1350,
450
],
"parameters": {
"method": "POST",
"url": "=https://api.cloudinary.com/v1_1/{{ $env.CLOUDINARY_CLOUD_NAME }}/image/upload",
"sendBody": true,
"contentType": "form-urlencoded",
"bodyParameters": {
"parameters": [
{
"name": "file",
"value": "=data:image/png;base64,{{ $json.artifacts?.[0]?.base64 || $json.image || '' }}"
},
{
"name": "api_key",
"value": "={{ $env.CLOUDINARY_API_KEY }}"
},
{
"name": "upload_preset",
"value": "sales_bot_unsigned"
},
{
"name": "folder",
"value": "products/ai-generated"
}
]
}
}
},
{
"id": "merge-image-path",
"name": "Merge: Get Cloudinary URL",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1570,
300
],
"parameters": {
"jsCode": "// Collect cloudinary URL from whichever path ran\nconst allItems = $input.all();\nconst cloudinaryUrl = allItems[0]?.json?.secure_url || allItems[0]?.json?.url || '';\nconst base = $('Extract Submitted Fields').item.json;\nreturn [{ json: { ...base, cloudinaryUrl } }];"
}
},
{
"id": "check-description",
"name": "Has Description?",
"type": "n8n-nodes-base.if",
"typeVersion": 2,
"position": [
1790,
300
],
"parameters": {
"conditions": {
"options": {
"caseSensitive": false,
"leftValue": "",
"typeValidation": "loose"
},
"conditions": [
{
"id": "cond-has-desc",
"leftValue": "={{ $json.hasDescription }}",
"rightValue": true,
"operator": {
"type": "boolean",
"operation": "true"
}
}
],
"combinator": "and"
}
}
},
{
"id": "pass-description",
"name": "Use Provided Description",
"type": "n8n-nodes-base.set",
"typeVersion": 3.3,
"position": [
2010,
150
],
"parameters": {
"mode": "manual",
"fields": {
"values": [
{
"name": "finalDescription",
"type": "stringValue",
"value": "={{ $json.description }}"
},
{
"name": "cloudinaryUrl",
"type": "stringValue",
"value": "={{ $json.cloudinaryUrl }}"
},
{
"name": "title",
"type": "stringValue",
"value": "={{ $json.title }}"
}
]
}
}
},
{
"id": "groq-description",
"name": "Groq: Generate Description",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
2010,
450
],
"parameters": {
"method": "POST",
"url": "https://api.groq.com/openai/v1/chat/completions",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "=Bearer {{ $env.GROQ_API_KEY }}"
},
{
"name": "Content-Type",
"value": "application/json"
}
]
},
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify({ model: 'meta/llama-3.3-70b-instruct', messages: [{ role: 'system', content: 'Write a 2-3 sentence product description for a networking hardware product. Include product type, key features, and ideal use case. Professional tone.' }, { role: 'user', content: 'Product name: ' + $('merge-image-path').item.json.title }], max_tokens: 200, temperature: 0.6 }) }}"
}
},
{
"id": "build-final",
"name": "Build Final Payload",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
2230,
300
],
"parameters": {
"jsCode": "const allItems = $input.all();\nconst item = allItems[0]?.json || {};\n\n// Description: from pass-through or from Groq response\nlet description = item.finalDescription || item.description || '';\nif (!description && item.choices) {\n description = item.choices[0]?.message?.content?.trim() || '';\n}\n\n// Cloudinary URL: from this item or from earlier merge node\nconst cloudinaryUrl = item.cloudinaryUrl || $('merge-image-path').item.json?.cloudinaryUrl || '';\nconst title = item.title || $('Extract Submitted Fields').item.json?.title || '';\n\nreturn [{ json: { title, description, cloudinaryUrl } }];"
}
},
{
"id": "insert-queue",
"name": "Insert into content_queue",
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"position": [
2450,
300
],
"parameters": {
"operation": "create",
"tableId": "content_queue",
"fieldsUi": {
"fieldValues": [
{
"fieldId": "product_tag",
"fieldValue": "={{ $json.title.toLowerCase().includes('router') ? 'router' : $json.title.toLowerCase().includes('access point') || $json.title.toLowerCase().includes(' ap') ? 'access_point' : $json.title.toLowerCase().includes('switch') ? 'switch' : 'router' }}"
},
{
"fieldId": "cloudinary_url",
"fieldValue": "={{ $json.cloudinaryUrl }}"
},
{
"fieldId": "caption_fb",
"fieldValue": ""
},
{
"fieldId": "caption_ig",
"fieldValue": ""
},
{
"fieldId": "boost_eligible",
"fieldValue": false
},
{
"fieldId": "platforms",
"fieldValue": "={{ ['fb','ig'] }}"
}
]
}
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"id": "form-response",
"name": "Respond to Form",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
2670,
300
],
"parameters": {
"respondWith": "text",
"responseBody": "\u2705 Content queued! '{{ $('Build Final Payload').item.json.title }}' will be published next time the daily schedule runs (10AM)."
}
},
{
"id": "error-trigger-05",
"name": "On Error",
"type": "n8n-nodes-base.errorTrigger",
"typeVersion": 1,
"position": [
250,
520
]
},
{
"id": "log-error-05",
"name": "Log Error",
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"position": [
470,
520
],
"parameters": {
"operation": "create",
"tableId": "error_log",
"fieldsUi": {
"fieldValues": [
{
"fieldId": "workflow",
"fieldValue": "05-content-intake"
},
{
"fieldId": "node_name",
"fieldValue": "={{ $json.execution.lastNodeExecuted }}"
},
{
"fieldId": "error_message",
"fieldValue": "={{ $json.error.message }}"
}
]
}
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
}
],
"connections": {
"Content Submission Form": {
"main": [
[
{
"node": "Extract Submitted Fields",
"type": "main",
"index": 0
}
]
]
},
"Extract Submitted Fields": {
"main": [
[
{
"node": "Has Image?",
"type": "main",
"index": 0
}
]
]
},
"Has Image?": {
"main": [
[
{
"node": "Upload Provided Image to Cloudinary",
"type": "main",
"index": 0
}
],
[
{
"node": "Groq: Build FLUX Image Prompt",
"type": "main",
"index": 0
}
]
]
},
"Upload Provided Image to Cloudinary": {
"main": [
[
{
"node": "Merge: Get Cloudinary URL",
"type": "main",
"index": 0
}
]
]
},
"Groq: Build FLUX Image Prompt": {
"main": [
[
{
"node": "NVIDIA FLUX: Generate Product Image",
"type": "main",
"index": 0
}
]
]
},
"NVIDIA FLUX: Generate Product Image": {
"main": [
[
{
"node": "Upload AI Image to Cloudinary",
"type": "main",
"index": 0
}
]
]
},
"Upload AI Image to Cloudinary": {
"main": [
[
{
"node": "Merge: Get Cloudinary URL",
"type": "main",
"index": 0
}
]
]
},
"Merge: Get Cloudinary URL": {
"main": [
[
{
"node": "Has Description?",
"type": "main",
"index": 0
}
]
]
},
"Has Description?": {
"main": [
[
{
"node": "Use Provided Description",
"type": "main",
"index": 0
}
],
[
{
"node": "Groq: Generate Description",
"type": "main",
"index": 0
}
]
]
},
"Use Provided Description": {
"main": [
[
{
"node": "Build Final Payload",
"type": "main",
"index": 0
}
]
]
},
"Groq: Generate Description": {
"main": [
[
{
"node": "Build Final Payload",
"type": "main",
"index": 0
}
]
]
},
"Build Final Payload": {
"main": [
[
{
"node": "Insert into content_queue",
"type": "main",
"index": 0
}
]
]
},
"Insert into content_queue": {
"main": [
[
{
"node": "Respond to Form",
"type": "main",
"index": 0
}
]
]
},
"On Error": {
"main": [
[
{
"node": "Log Error",
"type": "main",
"index": 0
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1"
},
"staticData": null,
"tags": [
{
"name": "sales-automation"
}
]
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
supabaseApi
Pro
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About this workflow
05 - Content Intake (Form + WhatsApp). Uses formTrigger, httpRequest, supabase, errorTrigger. Event-driven trigger; 16 nodes.
Source: https://github.com/hckeer/automatewholebusiness/blob/9da09c3a8bf5afb3dc438a43b6447b7d67de712e/n8n-workflows/05-content-intake.json — original creator credit. Request a take-down →
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