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Flux AI image generator

Max TkaczMax Tkacz
83514 views
2/3/2026
n8n
Official Page

Easily generate images with Black Forest's Flux Text-to-Image AI models using Hugging Face’s Inference API. This template serves a webform where you can enter prompts and select predefined visual styles that are customizable with no-code. The workflow integrates seamlessly with Hugging Face's free tier, and it’s easy to modify for any Text-to-Image model that supports API access.

Try it

Curious what this template does? Try a public version here: https://devrel.app.n8n.cloud/form/flux

Set Up

Watch this quick set up video 👇 Flux Generator

Accounts required

Key Features:

  • Text-to-Image Creation: Generates unique visuals based on your prompt and style.
  • Hugging Face Integration: Utilizes Hugging Face’s Inference API for reliable image generation.
  • Customizable Visual Styles: Select from preset styles or easily add your own.
  • Adaptable: Swap in any Hugging Face Text-to-Image model that supports API calls.

Ideal for:

  • Creators: Rapidly create visuals for projects.
  • Marketers: Prototype campaign visuals.
  • Developers: Test different AI image models effortlessly.

How It Works:

You submit an image prompt via the webform and select a visual style, which appends style instructions to your prompt. The Hugging Face Inference API then generates and returns the image, which gets hosted on Cloudflare S3. The workflow can be easily adjusted to use other models and styles for complete flexibility.

n8n AI Image Generator Workflow

This n8n workflow provides a simple way to generate AI images on demand using the Flux AI API and store them in an S3 bucket. It leverages an n8n Form Trigger to initiate the image generation process, making it accessible through a web form.

Description

This workflow automates the process of generating images via a third-party AI service (Flux AI) and saving the generated image URLs to an S3 bucket. Users can submit a text prompt through an n8n form, and the workflow will handle the API call, image retrieval, and storage.

What it does

  1. Listens for Form Submissions: The workflow is triggered when a user submits a prompt via an n8n form.
  2. Prepares Data for API Call: It extracts the image prompt from the form submission and prepares it for the Flux AI API.
  3. Generates Image via Flux AI: It makes an HTTP POST request to the Flux AI API with the provided prompt to generate an image.
  4. Processes API Response: It receives the response from the Flux AI API, which is expected to contain the generated image URL.
  5. Stores Image URL in S3: The generated image URL is then saved as a text file in a specified S3 bucket.
  6. Responds to Webhook: Finally, it sends a response back to the form submission, potentially confirming the image generation or providing the image URL.

Prerequisites/Requirements

  • n8n Instance: A running n8n instance.
  • Flux AI API Key: An API key for the Flux AI image generation service. This will need to be configured in the "HTTP Request" node.
  • AWS S3 Account: Access to an AWS S3 bucket for storing the image URLs.
  • AWS S3 Credentials: AWS Access Key ID and Secret Access Key for an S3 user with write permissions to the target bucket. These will need to be configured as n8n credentials for the "S3" node.

Setup/Usage

  1. Import the Workflow:

    • Download the provided JSON file.
    • In your n8n instance, click "Workflows" in the left sidebar.
    • Click "New" and then "Import from JSON".
    • Paste the JSON content or upload the file.

  2. Configure Credentials:

    • Flux AI API Key:
      • Locate the "HTTP Request" node.
      • Edit the node and configure the authentication method (e.g., "Header Auth" or "Query Parameter") to include your Flux AI API key. The exact method depends on Flux AI's API documentation.
    • AWS S3 Credentials:
      • Locate the "S3" node.
      • Edit the node and select or create new AWS S3 credentials. Provide your AWS Access Key ID and Secret Access Key.
      • Configure the "Bucket Name" and "File Name" (e.g., using an expression like ={{ $json.prompt }}.txt to name the file after the prompt).

  3. Configure the n8n Form Trigger:

    • Locate the "On form submission" node.
    • Activate the workflow.
    • Access the generated form URL (you can find this by clicking on the "On form submission" node and looking for the "Webhook URL" or "Form URL").
    • Customize the form fields if necessary to ensure it captures the image prompt.

  4. Test the Workflow:

    • Open the n8n form URL in your browser.
    • Enter a text prompt for an image and submit the form.
    • Observe the execution in n8n to ensure it runs successfully.
    • Check your configured S3 bucket for a new text file containing the generated image URL.

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