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Stable Diffusion API

SDXL

- SDXL v4.0

model_id: sdxlv40

Model Name: - SDXL v4.0 | Model ID: sdxlv40 | Plug and play API's to generate images with - SDXL v4.0. Choose from thousands of models like - SDXL v4.0 or up…

- SDXL v4.0 sample image

Generate with - SDXL v4.0 via API

Send a POST request to https://stablediffusionapi.com/api/v4/dreambooth with your API key. Get yours at modelslab.com.

curl -X POST 'https://stablediffusionapi.com/api/v4/dreambooth' \
  -H 'Content-Type: application/json' \
  -d '{
  "key": "YOUR_API_KEY",
  "model_id": "sdxlv40",
  "prompt": "ultra realistic close up portrait ((beautiful pale cyberpunk female with heavy black eyeliner)), blue eyes, shaved side haircut, hyper detail, cinematic lighting, magic neon, dark red city, Canon EOS R3, nikon, f/1.4, ISO 200, 1/160s, 8K, RAW, unedited, symmetrical balance, in-frame, 8K",
  "negative_prompt": null,
  "width": "512",
  "height": "512",
  "samples": "1",
  "num_inference_steps": "30",
  "guidance_scale": "7.5",
  "safety_checker": "no",
  "enhance_prompt": "yes",
  "seed": null,
  "webhook": null,
  "track_id": null
}'

Parameters

Parameter Default Description
model_id sdxlv40 Model identifier
width 512 Output image width (px)
height 512 Output image height (px)
samples 1 Number of images to generate
num_inference_steps 30 Denoising steps (1-50)
seed null Random seed (null to randomize)
guidance_scale 7.5 Prompt adherence (1-20)

Also searched as

- SDXL v4.0 is also known as: - SDXL v4.0, sdxlv40, - SDXL 4.0. Use it for sdxl image generation, available for download via the Stable Diffusion API REST API at https://stablediffusionapi.com/api/v4/dreambooth.

FAQ — - SDXL v4.0

How do I use - SDXL v4.0 via API?
Send a POST request to https://stablediffusionapi.com/api/v4/dreambooth with your API key, prompt, and model_id "sdxlv40". Get an API key from modelslab.com.
Is - SDXL v4.0 free to use?
No. API access requires a paid ModelsLab plan, starting at $21/month (Basic, 3,250 API calls). The $149/month Open Source Unlimited plan includes unlimited generations on open-source models; third-party models are billed separately.
What parameters does - SDXL v4.0 support?
- SDXL v4.0 accepts standard Stable Diffusion parameters: prompt, negative_prompt, width, height, samples, num_inference_steps (default 30), guidance_scale (default 7.5), seed, and safety_checker.
Can I use generated images commercially?
Yes. You retain copyright on all images you generate via the API and can use them commercially.