FLUX 3 Klein Edit Image

POST

/api/v1/jobs/createTask

Query Task Status

After submitting the task, you can check the progress of the task and obtain the generated results through the unified query endpoint:

Get Task Details

Learn how to check the task status and obtain the generated results

In the production environment, it is recommended to use the "callBackUrl" parameter to receive the automatic notification upon completion of the generation, rather than polling the status endpoint.

Related resources

Market Overview

View all available models

General API

View account credits and usage

Callbacks

onImageGenerated

Request

Authorization

Bearer Token

Provide your bearer token in the

Authorization

header when making requests to protected resources.

Example:

Authorization: Bearer ********************

Body Params application/jsonRequired

Examples

Responses

🟢200成功

application/json

Request Successful

Bodyapplication/json

Request Example

Shell

JavaScript

Java

Swift

curl --location 'https://api.kie.ai/api/v1/jobs/createTask' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
    "model": "flux-3/klein-edit-image",
    "callBackUrl": "https://your-domain.com/api/callback",
    "input": {
        "prompt": "Change the backpack to dark green and keep everything else unchanged",
        "image_urls": [
            "https://example.com/input.jpg"
        ],
        "aspect_ratio": "auto",
        "resolution": "1K",
        "output_format": "png",
        "num_images": 1,
        "enhance_prompt": false
    }
}'

Response Example

{
    "code": 200,
    "msg": "success",
    "data": {
        "taskId": "task_flux-3_klein-edit-image_1765175072483"
    }
}

FLUX 3 Klein Text to Image

4o Image Generation Callbacks

FLUX 3 Klein Edit Image

Query Task Status#

Callbacks

onImageGenerated

Request

Responses

Query Task Status