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POST
/
v1
/
images
/
generations
z-image-turbo Interface
curl --request POST \
  --url https://api.evolink.ai/v1/images/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "z-image-turbo",
  "prompt": "a cute cat",
  "size": "1:1"
}
'
{
  "created": 1757165031,
  "id": "task-unified-1757165031-uyujaw3d",
  "model": "z-image-turbo",
  "object": "image.generation.task",
  "progress": 0,
  "status": "pending",
  "task_info": {
    "can_cancel": true,
    "estimated_time": 10
  },
  "type": "image",
  "usage": {
    "billing_rule": "per_call",
    "credits_reserved": 0.026,
    "user_group": "default"
  }
}

Authorizations

​
Authorization
string
header
required

##All APIs require Bearer Token authentication##

Get API Key:

Visit API Key Management Page to get your API Key

Add to request header when using:

Authorization: Bearer YOUR_API_KEY

Body

application/json
​
model
enum<string>
default:z-image-turbo
required

Image generation model name

Available options:
z-image-turbo
Example:

"z-image-turbo"

​
prompt
string
required

Prompt describing the image to be generated, limited to 2000 characters

Maximum string length: 2000
Example:

"a cute cat"

​
size
enum<string>

Size of the generated image. Supports two formats:

Aspect Ratio Format:

  • Use preset ratios like 1:1, 16:9, 9:16, etc.
  • Supported ratios: 1:1, 2:3, 3:2, 3:4, 4:3, 9:16, 16:9, 1:2, 2:1

Custom Dimensions:

  • Width x Height (e.g., 1024x768)
  • Width and height range: 376-1536 pixels
Available options:
1:1,
2:3,
3:2,
3:4,
4:3,
9:16,
16:9,
1:2,
2:1
Example:

"1:1"

​
seed
integer

Random seed for reproducible results

Note:

  • Range: 1 to 2147483647
  • Leave empty for random seed
  • Same seed with same prompt produces similar results
Required range: 1 <= x <= 2147483647
Example:

12345

​
nsfw_check
boolean
default:false

Enable additional NSFW content moderation

Note:

  • Default: false (disabled)
  • Basic content moderation is always active even when disabled
  • Enable for stricter content filtering
Example:

false

​
callback_url
string<uri>

HTTPS callback address after task completion

Callback Timing:

  • Triggered when task is completed, failed, or cancelled
  • Sent after billing confirmation is completed

Security Restrictions:

  • Only HTTPS protocol is supported
  • Callback to internal IP addresses is prohibited (127.0.0.1, 10.x.x.x, 172.16-31.x.x, 192.168.x.x, etc.)
  • URL length must not exceed 2048 characters

Callback Mechanism:

  • Timeout: 10 seconds
  • Maximum 3 retries on failure (retries after 1 second/2 seconds/4 seconds)
  • Callback response body format is consistent with the task query API response format
  • Callback address returning 2xx status code is considered successful, other status codes will trigger retry
Example:

"https://your-domain.com/webhooks/image-task-completed"

Response

Image generation task created successfully

​
created
integer

Task creation timestamp

Example:

1757165031

​
id
string

Task ID

Example:

"task-unified-1757165031-uyujaw3d"

​
model
string

Actual model name used

Example:

"z-image-turbo"

​
object
enum<string>

Specific type of the task

Available options:
image.generation.task
​
progress
integer

Task progress percentage (0-100)

Required range: 0 <= x <= 100
Example:

0

​
status
enum<string>

Task status

Available options:
pending,
processing,
completed,
failed
Example:

"pending"

​
task_info
object

Async task information

​
type
enum<string>

Output type of the task

Available options:
text,
image,
audio,
video
Example:

"image"

​
usage
object

Usage and billing information