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POST
/
seedream-4.0-t2i
/
async
curl --request POST \
  --url https://modellixapi.jpushoa.com/api/v1/text-to-image/bytedance/seedream-4.0-t2i/async \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "prompt": "Beautiful cherry blossom garden in spring, soft lighting"
}
'
{
  "code": 0,
  "message": "success",
  "data": {
    "status": "pending",
    "task_id": "task-def456",
    "model_id": "seedream-4.0-t2i"
  }
}

Authorizations

​
Authorization
string
header
required

API Key authentication. Format: Bearer YOUR_API_KEY.

Body

application/json
​
prompt
string
required

Image description text, supports Chinese and English

Required string length: 1 - 600
Example:

"Beautiful cherry blossom garden in spring, soft lighting"

​
size
string
default:2048x2048

Image size in format 'widthxheight'. Range: Total pixels 921,600 to 16,777,216, aspect ratio 1/16 to 16

Example:

"2048x2048"

​
sequential_image_generation
enum<string>
default:disabled

Batch generation mode. 'auto': auto batch generate up to 15 images, 'disabled': generate single image only

Available options:
auto,
disabled
Example:

"auto"

​
sequential_image_generation_max_images
integer
default:15

Maximum number of images for batch generation. (input images + generated images ≤ 15)

Required range: 1 <= x <= 15
Example:

5

​
optimize_prompt_mode
enum<string>
default:standard

Prompt optimization mode. 'standard': high quality (longer time), 'fast': fast optimization (shorter time)

Available options:
standard,
fast
Example:

"standard"

Response

Task submitted successfully

​
code
integer
required

Response code, 0 indicates success

Example:

0

​
message
string
required

Response message

Example:

"success"

​
data
object
required