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POST
/
generate
/
k
/
imagen4-ultra
Imagen4-Ultra Image Generation
curl --request POST \
  --url https://api.sinancode.com/v1/generate/k/imagen4-ultra \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "prompt": "a photorealistic portrait of a woman",
  "aspect_ratio": "1:1",
  "negative_prompt": "blurry, low quality",
  "seed": 0
}
'
{
  "task_id": "01234567-89ab-cdef-0123-456789abcdef"
}
Generate top-tier quality images using Google DeepMind’s Imagen 4 Ultra model. Key Features:
  • Maximum Photorealism - Highest quality output for marketing content and detailed designs
  • Complex Details - Perfect handling of complex compositions and fine textures
  • Professional-Grade Output - Ideal for professional scenarios requiring premium visuals
  • SynthID Watermark - Built-in invisible digital watermark

Authorizations

​
Authorization
string
header
required

Please use your API Token for authentication

Body

application/json

Task parameters

​
prompt
string
required

Prompt (required, max 5000 characters)

Required string length: 1 - 5000
Example:

"a photorealistic portrait of a woman"

​
aspect_ratio
enum<string>
default:1:1

aspect ratio（optional，default 1:1）

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

"1:1"

​
negative_prompt
string

Negative prompt (optional)

Example:

"blurry, low quality"

​
seed
integer

Random seed (optional, integer type)

Example:

0

Response

OK

​
task_id
string
required

Task ID

Example:

"01234567-89ab-cdef-0123-456789abcdef"