Automate With Marc This workflow corresponds to n8n.io template #8690 — we link there as the canonical source.
This workflow follows the Agent → Google Drive Trigger 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 →
{
"id": "y3AF1pEsxHZOiRC0",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "Nano banana + Autopost",
"tags": [],
"nodes": [
{
"id": "b550bf52-81d7-44b7-8a56-6582a635870b",
"name": "Google Drive Trigger",
"type": "n8n-nodes-base.googleDriveTrigger",
"position": [
0,
0
],
"parameters": {
"event": "fileCreated",
"options": {},
"pollTimes": {
"item": [
{
"mode": "everyMinute"
}
]
},
"triggerOn": "specificFolder",
"folderToWatch": {
"__rl": true,
"mode": "list",
"value": "YOUR_FOLDER_ID",
"cachedResultUrl": "YOUR_FOLDER_URL",
"cachedResultName": "Image Upload Folder"
}
},
"credentials": {},
"typeVersion": 1
},
{
"id": "63942884-b26a-48b2-8063-7b8c59494cf2",
"name": "Nano Banana POST Request",
"type": "n8n-nodes-base.httpRequest",
"position": [
240,
0
],
"parameters": {
"url": "https://api.wavespeed.ai/api/v3/google/nano-banana/edit",
"method": "POST",
"options": {
"redirect": {
"redirect": {}
}
},
"jsonBody": "={\n \"enable_base64_output\": false,\n \"enable_sync_mode\": false,\n \"images\": [\n \"{{ $json.webContentLink }}\"\n ],\n \"output_format\": \"jpeg\",\n \"prompt\": \"Clean up and declutter this apartment unit: remove all mess, trash, and personal items while keeping the original furniture, layout, and design intact. Tidy up surfaces, straighten objects, and make the space look neat and inviting. Enhance the lighting to appear bright and natural, similar to professional real-estate photography, without altering the structure or style of the apartment.\"\n}",
"sendBody": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
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{
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"name": "Wait 15 Secs",
"type": "n8n-nodes-base.wait",
"position": [
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],
"parameters": {
"amount": 15
},
"typeVersion": 1.1
},
{
"id": "ff945721-7eaa-453e-a8aa-efd7abac7c6e",
"name": "GET Result from Nano Banana Node",
"type": "n8n-nodes-base.httpRequest",
"position": [
656,
0
],
"parameters": {
"url": "=https://api.wavespeed.ai/api/v3/predictions/{{ $json.data.id }}/result",
"options": {
"redirect": {
"redirect": {}
}
},
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
},
"credentials": {},
"typeVersion": 4.2
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{
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"name": "Append row in sheet",
"type": "n8n-nodes-base.googleSheets",
"position": [
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],
"parameters": {
"columns": {
"value": {
"Image URL": "={{ $json.data.outputs[0] }}",
"Timestamp": "={{ $now }}"
},
"schema": [
{
"id": "Image URL",
"type": "string",
"display": true,
"required": false,
"displayName": "Image URL",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Timestamp",
"type": "string",
"display": true,
"required": false,
"displayName": "Timestamp",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {},
"operation": "append",
"sheetName": {
"__rl": true,
"mode": "list",
"value": "YOUR_SHEET_NAME",
"cachedResultUrl": "YOUR_SHEET_URL",
"cachedResultName": "Sheet1"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "YOUR_SHEET_ID",
"cachedResultUrl": "YOUR_SHEET_URL",
"cachedResultName": "Editted Image Log"
}
},
"credentials": {},
"typeVersion": 4.7
},
{
"id": "0ecbc4d6-f6a8-49d3-9be7-e1d344f6ac6f",
"name": "If",
"type": "n8n-nodes-base.if",
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"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "b84517df-a71f-4e28-b744-35bb1e55b85f",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.data.status }}",
"rightValue": "completed"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "8538e41c-39e3-4923-9167-cfe17c687cdc",
"name": "Wait 15 Secs Again",
"type": "n8n-nodes-base.wait",
"position": [
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],
"parameters": {
"amount": 15
},
"typeVersion": 1.1
},
{
"id": "2dbc81b2-7bcb-4fb5-81da-0cbe1b92d05b",
"name": "Upload to Postiz",
"type": "n8n-nodes-base.httpRequest",
"position": [
1600,
0
],
"parameters": {
"url": "https://api.postiz.com/public/v1/upload",
"method": "POST",
"options": {},
"sendBody": true,
"contentType": "multipart-form-data",
"authentication": "genericCredentialType",
"bodyParameters": {
"parameters": [
{
"name": "file",
"parameterType": "formBinaryData",
"inputDataFieldName": "data"
}
]
},
"genericAuthType": "httpHeaderAuth"
},
"credentials": {},
"typeVersion": 4.2
},
{
"id": "c3184cf0-6101-48a7-9a44-4c800237f544",
"name": "Post to Instagram",
"type": "n8n-nodes-base.httpRequest",
"position": [
2432,
0
],
"parameters": {
"url": "https://api.postiz.com/public/v1/posts",
"method": "POST",
"options": {},
"jsonBody": "={\n \"type\": \"now\",\n \"shortLink\": false,\n \"date\": \"{{ new Date($now).toISOString() }}\",\n \"tags\": [],\n \"posts\": [\n {\n \"integration\": { \"id\": \"cmeku38qa00cpo90yfw4ai6lt\" },\n \"value\": [\n {\n \"content\": \"{{ $json.output }}\",\n \"image\": [\n {\n \"id\": \"{{ $node['Upload to Postiz'].json.id }}\",\n \"path\": \"{{ $node['Upload to Postiz'].json.path }}\"\n }\n ]\n }\n ],\n \"settings\": {\n \"post_type\": \"post\"\n }\n }\n ]\n}\n",
"sendBody": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
},
"credentials": {},
"typeVersion": 4.2
},
{
"id": "c46c1b35-4bf0-4c90-9881-efd520df4b2a",
"name": "Update Log",
"type": "n8n-nodes-base.googleSheets",
"position": [
1824,
0
],
"parameters": {
"columns": {
"value": {
"Status": "Uploaded to Postiz",
"Timestamp": "={{ $now }}",
"Video Name and Description": "={{ $('Google Drive Trigger').item.json.name }}"
},
"schema": [
{
"id": "Video Name and Description",
"type": "string",
"display": true,
"required": false,
"displayName": "Video Name and Description",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Timestamp",
"type": "string",
"display": true,
"required": false,
"displayName": "Timestamp",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Status",
"type": "string",
"display": true,
"required": false,
"displayName": "Status",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {},
"operation": "append",
"sheetName": {
"__rl": true,
"mode": "list",
"value": "YOUR_SHEET_NAME",
"cachedResultUrl": "YOUR_SHEET_URL",
"cachedResultName": "Sheet1"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "YOUR_SHEET_ID",
"cachedResultUrl": "YOUR_SHEET_URL",
"cachedResultName": "Logs of Captioned Videos to Publish"
}
},
"credentials": {},
"typeVersion": 4.7
},
{
"id": "cb42c1d0-795f-4605-93f3-e13f6944654b",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
2112,
208
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-5",
"cachedResultName": "gpt-5"
},
"options": {}
},
"credentials": {},
"typeVersion": 1.2
},
{
"id": "2e6dd8f6-460c-483e-a3d8-385d519ca7da",
"name": "Caption Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
2064,
0
],
"parameters": {
"text": "={{ $json['Video Name and Description'] }}",
"options": {
"systemMessage": "=You are an expert Instagram caption writer.\nYour task is to take the image prompt provided by the user and generate a short, engaging caption for Instagram or Tik-Tok Reels\n\nCaption Guidelines\n\n\nTone: friendly, impactful and exciting\n\n##Output Rules\nDo not use special characters like {} ! %$&*\nReturn only one final caption per request.\nDo not include explanations or formatting outside of the caption itself."
},
"promptType": "define"
},
"typeVersion": 2.2
},
{
"id": "3ab434fd-3256-4687-92fa-0246078c391c",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
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"parameters": {
"color": 7,
"width": 288,
"height": 800,
"content": "Caption for IG"
},
"typeVersion": 1
},
{
"id": "58a237a0-8a4b-4c75-875d-833731a2c313",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
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"parameters": {
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"width": 304,
"height": 800,
"content": "Post to IG"
},
"typeVersion": 1
},
{
"id": "1f080554-b4ef-42c9-8e6b-ecbeb78dc093",
"name": "Get Image",
"type": "n8n-nodes-base.httpRequest",
"position": [
1392,
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],
"parameters": {
"url": "={{ $json['Image URL'] }}",
"options": {}
},
"typeVersion": 4.2
},
{
"id": "dff121ad-7120-452e-a4ae-9e33a1dfc4b4",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
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],
"parameters": {
"color": 3,
"width": 656,
"height": 800,
"content": "Get Image and Upload"
},
"typeVersion": 1
},
{
"id": "d8d5a377-1a6f-4684-851a-5f51adaf10f3",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
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],
"parameters": {
"color": 4,
"width": 784,
"height": 800,
"content": "Get Results from Nano Banana"
},
"typeVersion": 1
},
{
"id": "801e4aaf-ce66-4c03-9fe8-9a0cab42d8ed",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
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],
"parameters": {
"color": 5,
"height": 800,
"content": "Drive Trigger"
},
"typeVersion": 1
},
{
"id": "4c8622a9-d705-4444-93ed-513a4c033b80",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
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"parameters": {
"width": 368,
"height": 800,
"content": "Drive Trigger"
},
"typeVersion": 1
},
{
"id": "31820743-5d4d-4d93-9553-db353fbcc6ac",
"name": "Sticky Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
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"parameters": {
"color": 7,
"width": 848,
"height": 1536,
"content": "\ud83d\udcf8 Auto-Edit Google Drive Images with Nano Banana + Social Auto-Post\n\nDrop an image into Google Drive and let this workflow handle the rest: it auto-cleans and enhances the image with Google\u2019s Nano Banana (via Wavespeed API), generates a catchy caption with GPT-5, and publishes directly to your connected social accounts using Postiz.\n\n\ud83d\udc49 Watch step-by-step video tutorials of workflows like these on https://www.youtube.com/watch?v=4wk6PYgBtBM&list=PL05w1TE8X3bb1H9lXBqUy98zmTrrPP-s1\n\nWhat it does\n\nTriggers from Google Drive when a new image is uploaded\n\nSends the image to Nano Banana to declutter, brighten, and make it real-estate/photo-listing ready\n\nPolls for the edited result until it\u2019s complete\n\nLogs the edited image URL into Google Sheets for tracking\n\nDownloads and uploads the edited image into Postiz media library\n\nGenerates an engaging caption with GPT-5 Caption Agent\n\nPublishes instantly to Instagram (can be extended to TikTok, LinkedIn, etc.)\n\nPerfect for\n\nReal-estate agents posting property shots\n\nEcommerce sellers updating product catalogs\n\nSocial media marketers needing fast, polished posts\n\nApps & Services\n\nGoogle Drive (Trigger)\n\nWavespeed API \u2013 Google Nano Banana (Image editing)\n\nGoogle Sheets (Logging)\n\nPostiz (Social scheduling/posting)\n\nOpenAI GPT-5 (Caption agent)\n\nSetup\n\nConnect your Google Drive and select the upload folder.\n\nAdd your Wavespeed API key for Nano Banana.\n\nConnect Google Sheets for logging.\n\nAdd Postiz API credentials and set the integration ID for your channel(s).\n\nEnter your OpenAI API key for GPT-5 captioning.\n\nCustomization\n\nAdjust the edit prompt for different use cases (e.g., product cleanup, lighting tweaks).\n\nChange Postiz post type to scheduled instead of \u201cnow.\u201d\n\nAdd more Postiz posts for multi-platform publishing.\n\nInsert an approval loop (Slack/Email) before posting.\n\nLogs\n\nEdited Image Log (Sheets): stores final image URL + timestamp.\n\nPublishing Log (Sheets): tracks workflow status per asset.\n\nNotes\n\nSticky notes in the template explain each major block.\n\nReplace sample IDs with your own (folder IDs, sheet IDs, Postiz integration).\n\nKeep all API keys in n8n Credentials, not in node parameters."
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "5b7201de-043e-4ae6-95d0-fb7a33290f68",
"connections": {
"If": {
"main": [
[
{
"node": "Append row in sheet",
"type": "main",
"index": 0
}
],
[
{
"node": "Wait 15 Secs Again",
"type": "main",
"index": 0
}
]
]
},
"Get Image": {
"main": [
[
{
"node": "Upload to Postiz",
"type": "main",
"index": 0
}
]
]
},
"Update Log": {
"main": [
[
{
"node": "Caption Agent",
"type": "main",
"index": 0
}
]
]
},
"Wait 15 Secs": {
"main": [
[
{
"node": "GET Result from Nano Banana Node",
"type": "main",
"index": 0
}
]
]
},
"Caption Agent": {
"main": [
[
{
"node": "Post to Instagram",
"type": "main",
"index": 0
}
]
]
},
"Upload to Postiz": {
"main": [
[
{
"node": "Update Log",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "Caption Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Wait 15 Secs Again": {
"main": [
[
{
"node": "GET Result from Nano Banana Node",
"type": "main",
"index": 0
}
]
]
},
"Append row in sheet": {
"main": [
[
{
"node": "Get Image",
"type": "main",
"index": 0
}
]
]
},
"Google Drive Trigger": {
"main": [
[
{
"node": "Nano Banana POST Request",
"type": "main",
"index": 0
}
]
]
},
"Nano Banana POST Request": {
"main": [
[
{
"node": "Wait 15 Secs",
"type": "main",
"index": 0
}
]
]
},
"GET Result from Nano Banana Node": {
"main": [
[
{
"node": "If",
"type": "main",
"index": 0
}
]
]
}
}
}
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About this workflow
Drop an image into Google Drive and let this workflow handle the rest: it auto-cleans and enhances the image with Google’s Nano Banana (via Wavespeed API), generates a catchy caption with GPT-5, and publishes directly to your connected social accounts using Postiz.
Source: https://n8n.io/workflows/8690/ — original creator credit. Request a take-down →
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