DALL-E 3 Image Generation Service

Overview

The DALL-E 3 Image Generation Service allows users to generate custom images using the OpenAI DALL-E 3 API. Provide a prompt, set image dimensions, and define how many images to generate in each request.

Environment Configuration

API Key: Ensure your api_key is securely stored in the environment under env.

Inputs

1. Prompt (prompt)

• Description: Text prompt describing the desired image.
• Type: string
• Required: Yes

2. Model (model)

• Description: Model to use for image generation (e.g., dall-e-3).
• Type: string
• Value: "dall-e-3"
• Required: Yes

3. Size (size)

• Description: Image dimensions, available options: 256x256, 512x512, 1024x1024.
• Type: string
• Default Value: "1024x1024"
• Required: No

4. Number of Images (num_images)

• Description: Number of images to generate.
• Type: number
• Default Value: 1
• Required: No

Steps

Step 1: Generate Image (dalle_image_generation)

• Description: Sends a request to the DALL-E 3 API to generate images based on the provided prompt.
• Method: POST
• Endpoint: https://api.openai.com/v1/images/generations
• Headers:
  • Content-Type: application/json
  • Authorization: Bearer ${{ env.api_key }}

Body:

{  
  "model": "${{ model }}",  
  "prompt": "${{ prompt }}",  
  "n": "${{ num_images }}",  
  "size": "${{ size }}"  
}  

Outputs

1. DALL-E Image URL (dalle_image_url)

• Description: URL to access the generated image.
• Value: ${{ dalle_image_generation.output.json_body.data.$.[0].url }}

2. Revised Prompt (revised_prompt)

• Description: Revised prompt returned by DALL-E.
• Value: ${{ dalle_image_generation.output.json_body.data.$.[0].revised_prompt }}

Circuit Request and Response

Sample Request:

{  
  "context": {  
    "version": "1.0"  
  },  
  "input": {  
    "prompt": "A futuristic cityscape with flying cars",  
    "model": "dall-e-3",  
    "size": "512x512",  
    "num_images": 2  
  }  
}

Sample Response:

{  
  "dalle_image_url": "https://api.openai.com/v1/images/generations/example_image_url",  
  "revised_prompt": "Futuristic cityscape showing flying vehicles"  
}

Cost

15 units per request

Notes

1. API Configuration: Ensure your api_key is correctly configured by uploading your API KEY in circuit -> settings -> secrets.
2. Customization: Modify size, prompt, and num_images to generate the desired images.
3. Response Handling: The image URL provided will expire after a set period, so download the image promptly.

Enjoy creating unique and imaginative images with DALL-E 3!