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": "OvuZIXwt9mdU2JGK",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "FLUX-fill standalone",
"tags": [],
"nodes": [
{
"id": "9f051c89-0243-48fb-baa4-666af3fe54b3",
"name": "Merge",
"type": "n8n-nodes-base.merge",
"position": [
940,
120
],
"parameters": {
"mode": "combine",
"options": {},
"combineBy": "combineByPosition"
},
"typeVersion": 3
},
{
"id": "5da963f7-4320-4359-aefa-bf8f6d6ef815",
"name": "Respond to Webhook",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
1520,
120
],
"parameters": {
"options": {},
"respondWith": "text",
"responseBody": "={{ $json.html }}"
},
"typeVersion": 1.1
},
{
"id": "05d877bc-b591-478c-b112-32b7efe1ca3f",
"name": "Wait 3 sec",
"type": "n8n-nodes-base.wait",
"position": [
920,
680
],
"parameters": {
"amount": 3
},
"typeVersion": 1.1
},
{
"id": "a3cc4a50-4218-4a01-ab20-151fd707dd66",
"name": "Is Ready?",
"type": "n8n-nodes-base.if",
"position": [
1340,
680
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "3cf5b451-9ff5-4c2a-864f-9aa7d286871a",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.status }}",
"rightValue": "Ready"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "76a2dcd4-0e57-461d-a8b9-8f52baa3f86a",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
520,
-100
],
"parameters": {
"width": 1193,
"height": 479,
"content": "# Deliver the editor with links to the images"
},
"typeVersion": 1
},
{
"id": "b32e8e0b-a449-47d9-8de4-c0062235ff99",
"name": "FLUX Fill",
"type": "n8n-nodes-base.httpRequest",
"position": [
660,
680
],
"parameters": {
"url": "https://api.bfl.ml/v1/flux-pro-1.0-fill",
"method": "POST",
"options": {},
"sendBody": true,
"authentication": "genericCredentialType",
"bodyParameters": {
"parameters": [
{
"name": "prompt",
"value": "={{ $json.body.prompt }}"
},
{
"name": "steps",
"value": "={{ $json.body.steps }}"
},
{
"name": "prompt_upsampling",
"value": "={{ $json.body.prompt_upsampling }}"
},
{
"name": "guidance",
"value": "={{ $json.body.guidance }}"
},
{
"name": "output_format",
"value": "png"
},
{
"name": "safety_tolerance",
"value": "6"
},
{
"name": "image",
"value": "={{ $json.body.image.split(',')[1] }}"
},
{
"name": "mask",
"value": "={{ $json.body.mask.split(',')[1] }}"
}
]
},
"genericAuthType": "httpHeaderAuth"
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 4.2
},
{
"id": "d7d70191-5316-4f20-b570-b8f138b77762",
"name": "Check FLUX status",
"type": "n8n-nodes-base.httpRequest",
"position": [
1120,
680
],
"parameters": {
"url": "https://api.bfl.ml/v1/get_result",
"options": {},
"sendQuery": true,
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"queryParameters": {
"parameters": [
{
"name": "id",
"value": "={{ $json.id }}"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 4.2
},
{
"id": "dafc2712-114f-4723-b587-08ff853513f5",
"name": "Get Fill Image",
"type": "n8n-nodes-base.httpRequest",
"position": [
1560,
780
],
"parameters": {
"url": "={{ $json.result.sample }}",
"options": {}
},
"typeVersion": 4.2
},
{
"id": "68672890-62c3-4020-a09c-9ea691cba361",
"name": "Show the image to user",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
1900,
780
],
"parameters": {
"options": {
"responseHeaders": {
"entries": [
{
"name": "Content-Type",
"value": "={{ $binary.data.mimeType }}"
}
]
}
},
"respondWith": "binary",
"responseDataSource": "set"
},
"typeVersion": 1.1
},
{
"id": "7546ce49-56e9-44fd-96fd-324831f38f32",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
560,
420
],
"parameters": {
"color": 4,
"width": 1142,
"height": 502,
"content": "# Image processing part"
},
"typeVersion": 1
},
{
"id": "cee89c8c-7b88-4cc5-84e4-eb7b404e5042",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
1720,
660
],
"parameters": {
"width": 506,
"height": 272,
"content": "# Send back edited image\n## Add extra steps to save an edited image"
},
"typeVersion": 1
},
{
"id": "a340cd78-56dd-4ac8-a1c1-f3fc03771ae6",
"name": "Mockups",
"type": "n8n-nodes-base.set",
"position": [
660,
220
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "20c39c67-3cf8-4e29-b871-3202f2e20a3c",
"name": "Images",
"type": "array",
"value": "={{\n[\n{\"url\":\"https://byuroscope.fra1.digitaloceanspaces.com/nc/uploads/noco/fluxtest/creative-arrangement-minimalist-podium_23-2148959328.jpg\",\n \"title\":\"Stage\" },\n{\"url\":\"https://byuroscope.fra1.digitaloceanspaces.com/nc/uploads/noco/fluxtest/Standing-Big-Paper-Bag-Mockup.jpg\",\n \"title\":\"Paper Bag\" },\n{\"url\":\"https://byuroscope.fra1.digitaloceanspaces.com/nc/uploads/noco/fluxtest/Ceramic-Mug-on-Table-Mockup.jpg\",\n \"title\":\"Big Mug\" },\n{\"url\":\"https://byuroscope.fra1.digitaloceanspaces.com/nc/uploads/noco/fluxtest/Transparent-Bottle-on-Sunny-Beach-Mockup-D.jpg\",\n \"title\":\"Transparent-Bottle\" },\n{\"url\":\"https://byuroscope.fra1.digitaloceanspaces.com/nc/uploads/noco/fluxtest/skin-products-arrangement-wooden-blocks_23-2148761445.jpg\",\n \"title\":\"Cosmetics\" }\n]\n}}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "da82cb73-af4a-4042-bf4e-17894155fb87",
"name": "Webhook",
"type": "n8n-nodes-base.webhook",
"position": [
260,
120
],
"parameters": {
"path": "flux-fill",
"options": {},
"responseMode": "responseNode",
"multipleMethods": true
},
"typeVersion": 2
},
{
"id": "0f35da2f-112c-45f9-9cbe-d64eb8bdc6d8",
"name": "Editor page",
"type": "n8n-nodes-base.html",
"position": [
1240,
120
],
"parameters": {
"html": "<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n <meta charset=\"UTF-8\">\n <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n <title>Konva Image Editor</title>\n <script src=\"https://unpkg.com/konva@9/konva.min.js\"></script>\n <script defer src=\"https://unpkg.com/img-comparison-slider@8/dist/index.js\"></script>\n <link rel=\"stylesheet\" href=\"https://unpkg.com/img-comparison-slider@8/dist/styles.css\" />\n <link rel=\"stylesheet\" href=\"https://cdn.jsdelivr.net/gh/ed-parsadanyan/n8n-flux-fill-demo/flux-fill-style.css\" />\n <script src=\"https://cdn.jsdelivr.net/gh/ed-parsadanyan/n8n-flux-fill-demo/flux-fill-canvas.js\"></script>\n</head>\n<body>\n <div class=\"controls-wrapper\">\n <div class=\"left-panel\">\n <div class=\"image-controls\">\n <select id=\"imageSelector\">\n <option value=\"\">Select an image...</option>\n <option value=\"local\">Load from PC...</option>\n </select>\n <input type=\"file\" id=\"fileInput\" style=\"display: none\" accept=\"image/*\">\n <button id=\"clearButton\">Clear All</button>\n </div>\n \n <div class=\"brush-controls\">\n <label for=\"brushSize\" title=\"Use mouse wheel to adjust brush size\">Brush Size:</label>\n <div class=\"slider-container\">\n <input type=\"range\" id=\"brushSize\" min=\"5\" max=\"40\" value=\"20\">\n <span class=\"slider-value\" id=\"brushSizeValue\">20px</span>\n </div>\n </div>\n </div>\n\n <div class=\"right-panel\">\n <div class=\"prompt-row\">\n <input type=\"text\" id=\"promptInput\" placeholder=\"Enter your prompt (optional)\">\n </div>\n \n <div class=\"main-controls\">\n <label class=\"checkbox-container\">\n <input type=\"checkbox\" id=\"improvePrompt\" checked>\n <span>Improve prompt</span>\n </label>\n \n <div>\n <button id=\"sendButton\">Generate</button>\n <span class=\"loading\" id=\"loadingIndicator\">Processing...</span>\n </div>\n </div>\n \n <div class=\"parameters\">\n <div class=\"slider-container\">\n <label for=\"stepsSlider\">Steps:</label>\n <input type=\"range\" id=\"stepsSlider\" min=\"15\" max=\"50\" value=\"40\">\n <span class=\"slider-value\" id=\"stepsValue\">40</span>\n </div>\n \n <div class=\"slider-container\">\n <label for=\"guidanceSlider\">Guidance:</label>\n <input type=\"range\" id=\"guidanceSlider\" min=\"1.5\" max=\"100\" value=\"60\" step=\"0.1\">\n <span class=\"slider-value\" id=\"guidanceValue\">60.0</span>\n </div>\n </div>\n </div>\n </div>\n\n <div class=\"info\" id=\"imageInfo\"></div>\n <div id=\"container\"></div>\n <div id=\"cursor\"></div>\n\n <div id=\"resultModal\" class=\"modal\">\n <div class=\"modal-content\">\n <div class=\"modal-image-container\">\n <div class=\"comparison-container\">\n <div class=\"image-container\">\n <img class=\"image-before\" id=\"originalImage\" src=\"\" alt=\"Original\">\n <img class=\"image-after\" id=\"resultImage\" src=\"\" alt=\"Generated\">\n </div>\n <input type=\"range\" min=\"0\" max=\"100\" value=\"10\" class=\"slider\">\n <div class=\"slider-line\"></div>\n <div class=\"slider-button\" aria-hidden=\"true\">\n < >\n </div>\n <div class=\"labels\">\n <div class=\"label-before\">Original</div>\n <div class=\"label-after\">Generated</div>\n </div>\n </div>\n </div>\n <div class=\"modal-buttons\">\n <button id=\"reuseButton\">Use Generated</button>\n <button id=\"saveButton\">Save Image</button>\n <button id=\"closeButton\">Close</button>\n </div>\n </div>\n </div>\n\n<script>\n const urlParams = new URLSearchParams(window.location.search);\n const pageId = urlParams.get('id');\n\n // Image data will be populated by n8n\n const imageData = {{ JSON.stringify($json.Images,'',2) }};\n const webhookUrl = '{{ $json.webhookUrl }}';\n\n // Initialize the editor when the page loads\n document.addEventListener('DOMContentLoaded', function() {\n initializeEditor({\n images: imageData,\n webhookUrl: webhookUrl,\n pageId: pageId\n });\n });\n</script>\n</body>\n</html>\n"
},
"typeVersion": 1.2
},
{
"id": "2ff87261-8a7f-451e-b8ae-b4274776ce28",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
540,
20
],
"parameters": {
"color": 5,
"width": 360,
"height": 340,
"content": "## Image array\n* Load from PC\n* Select one of the default images\n\n### Change this node to\n### get image URLs from your data source"
},
"typeVersion": 1
},
{
"id": "08bb17fd-1440-4194-8c4f-e18222a68bf2",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
1080,
-20
],
"parameters": {
"color": 5,
"width": 400,
"height": 300,
"content": "## HTML code of the editor\n* Konva.js\n* img-comparison-slider to compare edits vs original file\n* Additional css + js files for the editor logic"
},
"typeVersion": 1
},
{
"id": "13a820d0-e83b-4d1e-81d1-738ef8ca4d47",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
580,
500
],
"parameters": {
"color": 5,
"width": 280,
"height": 340,
"content": "## Call FLUX-Fill Tool\nPass the following data:\n* original image\n* alpha mask from the editor\n* text prompt\n* additional settings"
},
"typeVersion": 1
},
{
"id": "f4ab042c-d4da-4f1e-aa05-fdd2cca62d66",
"name": "NO OP",
"type": "n8n-nodes-base.noOp",
"position": [
420,
680
],
"parameters": {},
"typeVersion": 1
}
],
"active": true,
"settings": {
"callerPolicy": "workflowsFromSameOwner",
"executionOrder": "v1",
"executionTimeout": 120,
"saveDataSuccessExecution": "all"
},
"versionId": "6d4112be-fb6f-4702-ac5f-2c49ff0117d4",
"connections": {
"Merge": {
"main": [
[
{
"node": "Editor page",
"type": "main",
"index": 0
}
]
]
},
"NO OP": {
"main": [
[
{
"node": "FLUX Fill",
"type": "main",
"index": 0
}
]
]
},
"Mockups": {
"main": [
[
{
"node": "Merge",
"type": "main",
"index": 1
}
]
]
},
"Webhook": {
"main": [
[
{
"node": "Merge",
"type": "main",
"index": 0
},
{
"node": "Mockups",
"type": "main",
"index": 0
}
],
[
{
"node": "NO OP",
"type": "main",
"index": 0
}
]
]
},
"FLUX Fill": {
"main": [
[
{
"node": "Wait 3 sec",
"type": "main",
"index": 0
}
]
]
},
"Is Ready?": {
"main": [
[
{
"node": "Get Fill Image",
"type": "main",
"index": 0
}
],
[
{
"node": "Wait 3 sec",
"type": "main",
"index": 0
}
]
]
},
"Wait 3 sec": {
"main": [
[
{
"node": "Check FLUX status",
"type": "main",
"index": 0
}
]
]
},
"Editor page": {
"main": [
[
{
"node": "Respond to Webhook",
"type": "main",
"index": 0
}
]
]
},
"Get Fill Image": {
"main": [
[
{
"node": "Show the image to user",
"type": "main",
"index": 0
}
]
]
},
"Check FLUX status": {
"main": [
[
{
"node": "Is Ready?",
"type": "main",
"index": 0
}
]
]
}
}
}
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.
httpHeaderAuth
Pro
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How this works
This workflow delivers quick, high-quality image inpainting using the FLUX model, allowing you to fill selected areas of an image with contextually accurate content without needing complex setups. It's ideal for designers, content creators, or developers handling visual edits who want seamless integration via a simple webhook trigger. The key step involves sending your image and mask to the FLUX API through an HTTP request, followed by status checks to retrieve the completed result, ensuring reliable processing every time.
Use this standalone workflow when you need fast, on-demand inpainting for single images without tying into broader automation chains, such as prototyping app visuals or enhancing photos in real-time scripts. Avoid it for batch processing large volumes, where a more scalable solution like a dedicated queue would be better, or if you require advanced AI customisation beyond basic fills. Common variations include adding pre-processing nodes for image resizing or integrating with tools like Google Drive for automated uploads.
About this workflow
FLUX-fill standalone. Uses respondToWebhook, stickyNote, httpRequest, html. Webhook trigger; 18 nodes.
Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →
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