AI image generator from text built on fal.ai
Description
Categories
⚙️ Automation
Nodes Used
n8n-nodes-base.ifn8n-nodes-base.waitn8n-nodes-base.webhookn8n-nodes-base.stickyNoten8n-nodes-base.stickyNoten8n-nodes-base.httpRequestn8n-nodes-base.httpRequestn8n-nodes-base.httpRequestn8n-nodes-base.respondToWebhookn8n-nodes-base.respondToWebhook
PriceFree
Views1
Last Updated8/13/2026
workflow.json
{
"meta": {
"instanceId": "cb484ba7b742928a2048bf8829668bed5b5ad9787579adea888f05980292a4a7"
},
"nodes": [
{
"id": "c5b7bac5-6e31-4338-af76-32a34be8ae4d",
"name": "Webhook",
"type": "n8n-nodes-base.webhook",
"position": [
-440,
280
],
"webhookId": "5cca11bb-eaea-4c3a-86f7-16d5802b6ac8",
"parameters": {
"path": "ai_text_to_image_generator",
"options": {},
"httpMethod": "POST",
"responseMode": "responseNode"
},
"typeVersion": 2
},
{
"id": "ba2850cc-3d2b-45d7-9c1d-87bff38d99c3",
"name": "Fetch Status",
"type": "n8n-nodes-base.httpRequest",
"position": [
300,
280
],
"parameters": {
"url": "=https://queue.fal.run/fal-ai/flux/requests/{{ $json.request_id }}/status",
"options": {},
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
},
"credentials": {
"httpHeaderAuth": {
"id": "0qP44IHCmBfL54Vb",
"name": "Falai Polina"
}
},
"typeVersion": 4.2
},
{
"id": "44e08f96-e6b2-49a8-8077-571e07108d8d",
"name": "Wait",
"type": "n8n-nodes-base.wait",
"position": [
680,
460
],
"webhookId": "150069ed-885b-497f-a32a-09e7088136e6",
"parameters": {
"amount": 1
},
"typeVersion": 1.1
},
{
"id": "a1455b63-eed2-4c6d-86dc-11bf0937892b",
"name": "Is Ready?",
"type": "n8n-nodes-base.if",
"position": [
480,
280
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "ac50759b-e2f3-4efd-a2af-f28b7d209b45",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.status }}",
"rightValue": "COMPLETED"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "6b4446ef-0c5f-4d8b-839e-e7a9d6ae4773",
"name": "Submit Request",
"type": "n8n-nodes-base.httpRequest",
"position": [
100,
280
],
"parameters": {
"url": "https://queue.fal.run/fal-ai/flux/schnell",
"method": "POST",
"options": {},
"jsonBody": "={\"prompt\": \"{{ $json.body.prompt }}\"}",
"sendBody": true,
"sendHeaders": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"id": "0qP44IHCmBfL54Vb",
"name": "Falai Polina"
}
},
"typeVersion": 4.2
},
{
"id": "3f1df77f-8576-4c32-a1c8-7e80f5bf572d",
"name": "Fetch Result",
"type": "n8n-nodes-base.httpRequest",
"position": [
680,
280
],
"parameters": {
"url": "={{ $json.response_url }}",
"options": {},
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
},
"credentials": {
"httpHeaderAuth": {
"id": "0qP44IHCmBfL54Vb",
"name": "Falai Polina"
}
},
"typeVersion": 4.2
},
{
"id": "744b0b05-d1f7-4972-b16d-70328b7a36c9",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
-260,
440
],
"parameters": {
"options": {}
},
"credentials": {
"openAiApi": {
"id": "QpFZ2EiM3WGl6Zr3",
"name": "Marketing OpenAI"
}
},
"typeVersion": 1.1
},
{
"id": "9ab24ceb-c1c1-42b8-88d9-249c2db60a8d",
"name": "400 Error",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
100,
640
],
"parameters": {
"options": {
"responseCode": 400
},
"respondWith": "json",
"responseBody": "={{\n{\n \"error\": \"Prompt is in violation of terms of use. Please try again.\",\n \"result\": []\n}\n}}"
},
"typeVersion": 1.1
},
{
"id": "c5ef424e-1fb5-44d5-9612-4c76c7d1d232",
"name": "Success",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
900,
280
],
"parameters": {
"options": {},
"respondWith": "json",
"responseBody": "={{\n{\n \"error\": null,\n \"result\": $json.images\n}\n}}"
},
"typeVersion": 1.1
},
{
"id": "eb43cc4a-4d15-47b9-9c81-840ecc9cfafa",
"name": "NSFW Filter",
"type": "@n8n/n8n-nodes-langchain.textClassifier",
"position": [
-260,
280
],
"parameters": {
"options": {
"fallback": "other"
},
"inputText": "={{ $json.body.prompt }}",
"categories": {
"categories": [
{
"category": "NSFW",
"description": "text is NSFW"
},
{
"category": "SFW",
"description": "text is SFW"
}
]
}
},
"typeVersion": 1
},
{
"id": "db102cc6-b414-4187-b269-8f73158f0fb3",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-480,
120
],
"parameters": {
"width": 540,
"height": 460,
"content": "## Receives text prompt through a webhook endpoint and filters the prompt for inappropriate content using AI moderation"
},
"typeVersion": 1
},
{
"id": "b2ff86e9-62cc-45d1-9f89-6a5d2010c976",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
80,
0
],
"parameters": {
"width": 540,
"height": 580,
"content": "## Submits valid prompts to the Fal.ai and polls for completion status and retrieves the generated image when ready\n\nFal.ai is a model inference and finetuning service dedicated to AI image and video. It hosts many popular third party models including Flux by Black Forest Labs.\n\nSign up here - https://fal.ai - for an api key."
},
"typeVersion": 1
}
],
"pinData": {
"Webhook": [
{
"body": {
"prompt": "A person sitting under a moonlit sky",
"styleId": "1"
},
"query": {},
"params": {},
"headers": {
"host": "[insert your host]",
"accept": "*/*",
"origin": "http://localhost:3000",
"pragma": "no-cache",
"referer": "http://localhost:3000/",
"priority": "u=1, i",
"sec-ch-ua": "\"Chromium\";v=\"134\", \"Not:A-Brand\";v=\"24\", \"Google Chrome\";v=\"134\"",
"x-real-ip": "10.255.0.2",
"user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36",
"content-type": "multipart/form-data; boundary=----WebKitFormBoundary6KvXTaJpPc6UJTId",
"cache-control": "no-cache",
"content-length": "268",
"sec-fetch-dest": "empty",
"sec-fetch-mode": "cors",
"sec-fetch-site": "cross-site",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "pl-PL,pl;q=0.9,en-US;q=0.8,en;q=0.7,fr;q=0.6,la;q=0.5,de;q=0.4,sk;q=0.3,nl;q=0.2,mt;q=0.1",
"x-forwarded-for": "10.255.0.2",
"sec-ch-ua-mobile": "?0",
"x-forwarded-host": "[insert your host]",
"x-forwarded-port": "443",
"x-forwarded-proto": "https",
"sec-ch-ua-platform": "\"macOS\"",
"x-forwarded-server": "5f641c71d311"
},
"webhookUrl": "https://[insert your host]/webhook/ai_text_to_image_generator",
"executionMode": "production"
}
]
},
"connections": {
"Wait": {
"main": [
[
{
"node": "Fetch Status",
"type": "main",
"index": 0
}
]
]
},
"Webhook": {
"main": [
[
{
"node": "NSFW Filter",
"type": "main",
"index": 0
}
]
]
},
"Is Ready?": {
"main": [
[
{
"node": "Fetch Result",
"type": "main",
"index": 0
}
],
[
{
"node": "Wait",
"type": "main",
"index": 0
}
]
]
},
"NSFW Filter": {
"main": [
[
{
"node": "400 Error",
"type": "main",
"index": 0
}
],
[
{
"node": "Submit Request",
"type": "main",
"index": 0
}
],
[
{
"node": "400 Error",
"type": "main",
"index": 0
}
]
]
},
"Fetch Result": {
"main": [
[
{
"node": "Success",
"type": "main",
"index": 0
}
]
]
},
"Fetch Status": {
"main": [
[
{
"node": "Is Ready?",
"type": "main",
"index": 0
}
]
]
},
"Submit Request": {
"main": [
[
{
"node": "Fetch Status",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "NSFW Filter",
"type": "ai_languageModel",
"index": 0
}
]
]
}
}
}