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POST
/
seedance-1.0-lite-t2v
/
async
curl --request POST \
  --url https://modellixapi.jpushoa.com/api/v1/text-to-video/bytedance/seedance-1.0-lite-t2v/async \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "prompt": "A serene beach at sunset with gentle waves"
}
'
{
  "code": 0,
  "message": "success",
  "data": {
    "status": "pending",
    "task_id": "task-video-abc123",
    "model_id": "seedance-1.0-lite-t2v"
  }
}

Authorizations

​
Authorization
string
header
required

API Key authentication. Format: Bearer YOUR_API_KEY.

Body

application/json
​
prompt
string
required

Video content description, supports Chinese and English

Required string length: 1 - 2000
Example:

"A serene beach at sunset with gentle waves"

​
ratio
enum<string>
default:16:9

Video aspect ratio. 'adaptive': system auto-selects best ratio

Available options:
16:9,
4:3,
1:1,
3:4,
9:16,
21:9,
adaptive
Example:

"16:9"

​
resolution
enum<string>
default:720p

Video resolution

Available options:
480p,
720p,
1080p
Example:

"720p"

​
duration
integer
default:5

Video duration in seconds

Required range: 2 <= x <= 12
Example:

5

​
frames
integer

Video frame count (takes priority over duration). Format: 25+4n, range [29, 289]

Required range: 29 <= x <= 289
Example:

121

​
seed
integer
default:-1

Random seed for reproducibility. -1 for random

Required range: -1 <= x <= 2147483647
Example:

42

​
camera_fixed
boolean
default:false

Whether to fix camera position

Example:

false

​
service_tier
enum<string>
default:default

'default': low latency, 'flex': high TPD, 50% price (offline inference)

Available options:
default,
flex
Example:

"default"

​
execution_expires_after
integer
default:172800

Task expiration time in seconds

Required range: 3600 <= x <= 259200
Example:

172800

​
return_last_frame
boolean
default:false

Whether to return the last frame (PNG format)

Example:

false

Response

Task submitted successfully

​
code
integer
required

Response code, 0 indicates success

Example:

0

​
message
string
required

Response message

Example:

"success"

​
data
object
required