Skip to main content
POST
/
generate
/
video
/
bytedance
/
seedance-2-fast
Seedance 2.0 Fast*
curl --request POST \
  --url https://api.krea.ai/generate/video/bytedance/seedance-2-fast \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "prompt": "Sprawling mansion, hidden rooms with cursed artifacts, channeling dark mystery anime vibes."
}
'
{
  "job_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "created_at": "2023-11-07T05:31:56Z",
  "completed_at": null,
  "result": null,
  "error": {
    "code": "<string>",
    "message": "<string>"
  }
}

​
Pricing

Fixed API prices in USD.
ResolutionVideo ReferencePrice
480pYes$0.0677/sec
480pNo$0.1129/sec
720pYes$0.1524/sec
720pNo$0.254/sec
These aliases are accepted for compatibility only and are not shown in the request schema.
DeprecatedUse insteadAccepted until
startImagestart_image2026-06-19
aspectRatioaspect_ratio2026-06-19
endImageend_image2026-06-19
referenceImagesreference_images2026-06-19
referenceVideosreference_videos2026-06-19
referenceAudiosreference_audios2026-06-19
generateAudiogenerate_audio2026-06-19

Authorizations

​
Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Headers

​
X-Webhook-URL
string<uri>

URL to receive a POST request when the job completes. The webhook will receive the job data including results.

Body

application/json
​
prompt
string
required
​
start_image
string<uri> | null

Can be an external URL, base64 data URI, or uploaded asset URL.

Maximum string length: 1024
​
aspect_ratio
enum<string>
default:16:9
Available options:
16:9,
9:16
​
end_image
string<uri> | null

Can be an external URL, base64 data URI, or uploaded asset URL.

Maximum string length: 1024
​
reference_images
string<uri>[]
Maximum array length: 9

Can be an external URL, base64 data URI, or uploaded asset URL.

Maximum string length: 1024
​
reference_videos
string<uri>[]
Maximum array length: 3

Can be an external URL, base64 data URI, or uploaded asset URL.

Maximum string length: 1024
​
reference_audios
string<uri>[]
Maximum array length: 3

Can be an external URL, base64 data URI, or uploaded asset URL.

Maximum string length: 1024
​
duration
number
default:5
Required range: 4 <= x <= 15
​
generate_audio
boolean
default:false
​
resolution
enum<string>
default:720p
Available options:
480p,
720p
​
seed
integer
​
effects
object[]
Maximum array length: 12
​
upscale
boolean
default:false

When true, upscales the completed Seedance 2 video to produce an output up to 8K.

​
enhance_prompt
boolean
default:false

When true, rewrites the prompt for Seedance 2 using Krea prompt enhancement before video generation.

Response

The resulting job data. This will be returned in a pending state until the job is completed. See /jobs/{id} for retrieving the results.

​
job_id
string<uuid>
required
​
status
enum<string>
required
Available options:
backlogged,
queued,
scheduled,
processing,
sampling,
intermediate-complete,
completed,
failed,
cancelled
​
created_at
string<date-time>
required
​
completed_at
null
required
​
result
null
required
​
error
object