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POST
/
v1
/
images
/
generations
krea-2-turbo Interface
curl --request POST \
  --url https://api.evolink.ai/v1/images/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "krea-2-turbo",
  "prompt": "A cinematic product poster, silver headphones floating against a deep matte-black backdrop with soft rim lighting",
  "size": "16:9",
  "quality": "1K"
}
'
{
  "created": 1751280000,
  "id": "task-unified-1751280000-k2t9x8a3",
  "model": "krea-2-turbo",
  "object": "image.generation.task",
  "progress": 0,
  "status": "pending",
  "task_info": {
    "can_cancel": false,
    "estimated_time": 45
  },
  "type": "image",
  "usage": {
    "billing_rule": "per_call",
    "credits_reserved": 0.05,
    "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:

Authorization: Bearer YOUR_API_KEY

Body

application/json
​
model
enum<string>
default:krea-2-turbo
required

Image generation model name

Available options:
krea-2-turbo
Example:

"krea-2-turbo"

​
prompt
string
required

Prompt describing the image to be generated. English works best, with a maximum length of 640 tokens

Example:

"A cinematic product poster, silver headphones floating against a deep matte-black backdrop with soft rim lighting"

​
size
enum<string>
default:1:1

Aspect ratio of the generated image; defaults to 1:1 when omitted. The actual output pixels are determined jointly by size and quality.

Supported ratios (11 total): 1:1, 4:3, 3:4, 5:4, 4:5, 2:3, 3:2, 9:16, 16:9, 1:2, 2:1

Output pixel reference (size × quality):

Ratio1K2K
1:11024×10242048×2048
4:31152×8962304×1728
3:4896×11521728×2304
5:41152×8962240×1792
4:5896×11521792×2240
2:3832×12801664×2496
3:21280×8322496×1664
9:16768×13441472×2688
16:91344×7682688×1472
1:2704×14721408×2816
2:11472×7042816×1408
Available options:
1:1,
4:3,
3:4,
5:4,
4:5,
2:3,
3:2,
9:16,
16:9,
1:2,
2:1
Example:

"16:9"

​
quality
enum<string>
default:1K

Output resolution tier 1K / 2K; defaults to 1K when omitted. 2K produces higher-resolution images than 1K. Billing differs by tier — see the pricing page

Available options:
1K,
2K
Example:

"1K"

​
seed
integer

Random seed for generating similar compositions

Note:

  • Range: 0 to 1048576
  • 0 or empty uses a random seed
  • Same seed with same prompt may reproduce the same composition
Required range: 0 <= x <= 1048576
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:

1751280000

​
id
string

Task ID

Example:

"task-unified-1751280000-k2t9x8a3"

​
model
string

Actual model name used

Example:

"krea-2-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