Seedream v4 Edit (Image-to-image)

This documentation is valid for the following list of our models:

  • bytedance/seedream-v4-edit

Model Overview

The model supports background replacement, object editing, style and color adjustments, lighting and texture enhancements, and artistic filters, while ensuring character consistency and allowing iterative refinement.

Setup your API Key

If you don’t have an API key for the AI/ML API yet, feel free to use our Quickstart guide.

API Schema

post
Authorizations
Body
modelundefined · enumRequiredPossible values:
image_urlsstring · uri[] · min: 1 · max: 10Required

List of URLs or local Base64 encoded images to edit.

image_sizeany ofOptional

The size of the generated image.

Default: square_hd
string · enumOptionalPossible values:
or
seedinteger · min: 1Optional

The same seed and the same prompt given to the same version of the model will output the same image every time.

sync_modebooleanOptional

If set to true, the function will wait for the image to be generated and uploaded before returning the response. This will increase the latency of the function but it allows you to get the image directly in the response without going through the CDN.

Default: false
enable_safety_checkerbooleanOptional

If set to True, the safety checker will be enabled.

Default: true
promptstring · max: 4000Required

The text prompt describing the content, style, or composition of the image to be generated.

num_imagesnumber · min: 1 · max: 4Optional

The number of images to generate.

Default: 1
Responses
201

Successfully generated image

application/json
post
async function main() {
  const response = await fetch('https://api.aimlapi.com/v1/images/generations', {
    method: 'POST',
    headers: {
      'Authorization': 'Bearer <YOUR_AIMLAPI_KEY>',
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({
      model: 'bytedance/seedream-v4-edit',
      prompt: "Add a crown to the T-rex's head.",
      image_urls: ['https://raw.githubusercontent.com/aimlapi/api-docs/main/reference-files/t-rex.png'],
    }),
  });

  const data = await response.json();
  console.log(JSON.stringify(data, null, 2));
}

main();
201

Successfully generated image

{
  "data": [
    {
      "url": "text",
      "b64_json": "text"
    }
  ]
}

Quick Example

Let's generate an image of the specified size using a simple prompt.

import requests
import json  # for getting a structured output with indentation

response = requests.post(
    "https://api.aimlapi.com/v1/images/generations",
    headers={
        # Insert your AIML API Key instead of <YOUR_AIMLAPI_KEY>:
        "Authorization":"Bearer <YOUR_AIMLAPI_KEY>",
        "Content-Type":"application/json",
    },
    json={
        "model":"bytedance/seedream-v4-edit",
        "prompt": "Add a bird to the foreground of the photo.",
        "image_urls": [ 
             "https://raw.githubusercontent.com/aimlapi/api-docs/main/reference-files/t-rex.png"
        ]
    }
)

data = response.json()
print(json.dumps(data, indent=2, ensure_ascii=False))
Response
{
  "images": [
    {
      "url": "https://v3b.fal.media/files/b/kangaroo/nHWHZmeMr-SL4R7uFtvq7_d54b8823cf784f67bcfa43993bdb2179.png",
      "content_type": "image/png",
      "file_name": "d54b8823cf784f67bcfa43993bdb2179.png",
      "file_size": 1033237,
      "width": null,
      "height": null
    }
  ],
  "seed": 623004765,
  "data": [
    {
      "url": "https://v3b.fal.media/files/b/kangaroo/nHWHZmeMr-SL4R7uFtvq7_d54b8823cf784f67bcfa43993bdb2179.png",
      "content_type": "image/png",
      "file_name": "d54b8823cf784f67bcfa43993bdb2179.png",
      "file_size": 1033237,
      "width": null,
      "height": null
    }
  ],
  "meta": {
    "usage": {
      "tokens_used": 63000
    }
  }
}
Reference Image
Generated Image
(original)
"Add a bird to the foreground of the photo."

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