Skip to main content
POST
/
kling-v2-mi2i
/
async
curl --request POST \
  --url https://api.modellix.ai/api/v1/kling/kling-v2-mi2i/async \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "subject_images": [
    "https://example.com/person1.jpg",
    "https://example.com/person2.jpg"
  ],
  "prompt": "Two friends sitting in a cafe",
  "n": 2
}
'
{
  "code": 0,
  "message": "success",
  "data": {
    "status": "pending",
    "task_id": "task-mi2i-pqr678",
    "model_id": "model-123",
    "get_result": {
      "method": "GET",
      "url": "https://api.modellix.ai/api/v1/tasks/task-mi2i-pqr678"
    }
  }
}

Documentation Index

Fetch the complete documentation index at: https://docs.modellix.ai/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

​
Authorization
string
header
required

API Key authentication. Format: Bearer YOUR_API_KEY.

Body

application/json

Note: All parameters are optional, but at least one of prompt, subject_images, scene_image, or style_image should be provided. This model does NOT support: negative_prompt, resolution, image, image_reference, image_fidelity, or human_fidelity parameters.

​
prompt
string

Image description text, supports Chinese and English. Optional but recommended for better results

Required string length: 1 - 2500
Example:

"Two friends sitting in a cozy cafe"

​
subject_images
string[]

List of subject image URLs or Base64 strings. Simplified flattened parameter. Minimum 1 image, maximum 4 images

Required array length: 1 - 4 elements

Subject image URL or Base64 encoded data

Minimum string length: 1
Example:
[
  "https://example.com/person1.jpg",
  "https://example.com/person2.jpg"
]
​
scene_image
string

Scene reference image (Base64 encoded or URL). Used for scene replacement. Supported formats: .jpg, .jpeg, .png. Maximum size: 10MB

Minimum string length: 1
Example:

"https://example.com/beach-scene.jpg"

​
style_image
string

Style reference image (Base64 encoded or URL). Used for style transfer. Supported formats: .jpg, .jpeg, .png. Maximum size: 10MB

Minimum string length: 1
Example:

"https://example.com/art-style.jpg"

​
aspect_ratio
enum<string>
default:16:9

Image aspect ratio

Available options:
16:9,
9:16,
1:1,
4:3,
3:4,
3:2,
2:3,
21:9
Example:

"16:9"

​
n
integer
default:1

Number of images to generate per request

Required range: 1 <= x <= 9
Example:

1

Response

Task submitted successfully

​
code
integer
required

Response code, 0 indicates success

Example:

0

​
message
string
required

Response message

Example:

"success"

​
data
object
required

Detailed data about the submitted asynchronous task.