Seedream V4.5 — Image to Image / Edit

Edit images with facial-feature preservation up to 4K using ByteDance+ Seedream V4.5

POST /v1/jobs/submit

Seedream V4.5 — Image to Image / Edit

cURL

curl --request POST \
  --url https://api.muvi.video/v1/jobs/submit \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "<string>",
  "input": {
    "prompt": "<string>",
    "image_urls": [
      {}
    ],
    "aspect_ratio": "<string>",
    "resolution": "<string>"
  }
}
'

200

{
  "jobId": "<string>",
  "status": "<string>",
  "estimatedCompletionTime": "<string>",
  "costMicroCents": 123
}

Edit images with high-fidelity facial feature preservation using ByteDance+ Seedream V4.5. Supports up to 10 reference images, eight aspect ratios, and resolutions up to 4K.

Property	Value
Provider	ByteDance+
Model	Seedream V4.5
Capability	Image to Image / Edit
Base Cost	40,000 micro-cents/request ($0.04)
Processing Time	~60 seconds

Request Body

model · string · required

Model slug. Use bytedance-plus/seedream-v4.5/image-to-image.

input · object · required

Input parameters for image editing.

Hide properties

prompt · string · required

Edit instruction describing the desired changes (max 5000 characters).

image_urls · array · required

Array of reference image URLs (max 10 images).

aspect_ratio · string · required

Output aspect ratio. Default: 1:1. Options: 1:1, 16:9, 9:16, 4:3, 3:4, 3:2, 2:3, 21:9.

resolution · string · required

Output resolution. Default: 2k. Options: 512p, 1k, 2k, 4k.

webhookUrl · string

HTTPS URL to receive a webhook notification when the job completes or fails.

Pricing

Base cost: 40,000 micro-cents per request ($0.04)

finalCost = baseCost × resolution

Factor	Option	Multiplier
Resolution	512p	1x
	1k	1x
	2k	1x
	4k	1x

Default cost: any resolution = 40,000 × 1 = 40,000 micro-cents ($0.04)

Response

jobId · string

Unique identifier for the submitted job.

status · string

Initial job status. Always "pending" on successful submission.

estimatedCompletionTime · string

ISO 8601 timestamp of the estimated completion time.

costMicroCents · number

The cost of the job in micro-cents.

Code Examples

cURL

curl -X POST https://api.muvi.video/v1/jobs/submit \
  -H "Authorization: Bearer $PIXELBYTE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "bytedance-plus/seedream-v4.5/image-to-image",
    "input": {
      "prompt": "Make the subject wear a red jacket and add soft golden hour lighting",
      "image_urls": ["https://example.com/image.jpg"],
      "aspect_ratio": "1:1",
      "resolution": "2k"
    }
  }'