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POST
/
seedance-1.0-lite-i2v
/
async
curl --request POST \
  --url https://modellixapi.jpushoa.com/api/v1/image-to-video/bytedance/seedance-1.0-lite-i2v/async \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "image": [
    {
      "url": "https://example.com/first.jpg"
    }
  ]
}
'
{
  "code": 0,
  "message": "success",
  "data": {
    "status": "pending",
    "task_id": "task-video-i2v-abc123",
    "model_id": "seedance-1.0-lite-i2v"
  }
}

Authorizations

​
Authorization
string
header
required

API Key authentication. Format: Bearer YOUR_API_KEY.

Body

application/json
​
image
object[]
required

Input image array (object array). 1-4 images. Strict mode: must be array of objects with 'url' field

Required array length: 1 - 4 elements
Example:
[
  {
    "url": "https://example.com/first.jpg",
    "role": "first_frame"
  }
]
​
prompt
string

Video content description (optional for I2V)

Required string length: 1 - 2000
Example:

"Camera slowly pushes forward"

​
ratio
enum<string>
default:16:9
Available options:
16:9,
4:3,
1:1,
3:4,
9:16,
21:9,
adaptive
​
resolution
enum<string>
default:720p

Note: Reference image mode does not support 1080p

Available options:
480p,
720p,
1080p
​
duration
integer
default:5
Required range: 2 <= x <= 12
​
frames
integer
Required range: 29 <= x <= 289
​
seed
integer
default:-1
Required range: -1 <= x <= 2147483647
​
camera_fixed
boolean
default:false

Note: Not supported in reference image mode

​
service_tier
enum<string>
default:default
Available options:
default,
flex
​
execution_expires_after
integer
default:172800
Required range: 3600 <= x <= 259200
​
return_last_frame
boolean
default:false

Response

200 - application/json

Task submitted successfully

​
code
integer
required
Example:

0

​
message
string
required
Example:

"success"

​
data
object
required