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  1. Sora2
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Veo3.1 APISuno API4o Image APIFlux Kontext APIRunway APILuma APIFile Upload APICommon API
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  1. Sora2

Sora2 - Characters

POST
/api/v1/jobs/createTask
Create dynamic character animations powered by Sora-2-characters' advanced AI model

File Upload Requirements#

Before using the Character Animation API, you need to upload your character videos:

Step 1: Upload Character Videos#

Visit our File Upload API to upload your character videos.
Requirements:
File Type: MP4, WebM, or AVI format
Duration: Between 1-4 seconds per video
Max File Size: 10MB per file
Content: Character movements or actions you want to animate
Only one character video can be uploaded per animation task.

Step 2: Get Upload URLs#

After successful upload, you'll receive file URLs that can be used in the character_file_url parameter.

Step 3: Submit Animation Task#

Use the obtained URLs in your API request to generate character animations with the new parameters.

Additional Parameters#

Besides the character video URL, you can provide additional parameters to enhance your character animation:
character_prompt: Description of the character and desired animation style (Max 5000 characters)
safety_instruction: Safety guidelines and content restrictions for the animation (Max 5000 characters)
Both parameters are optional but recommended for better control over the animation output.
File Storage Notice:
Files uploaded through our File Upload API are stored temporarily for only 14 days. After this period, the character URLs will become invalid and cause errors when using the Character Animation API. We recommend using third-party permanent storage solutions (such as AWS S3, Google Cloud Storage, or other cloud storage services) to ensure long-term availability of your character video files.
For production use, we recommend using the callBackUrl parameter to receive automatic notifications when generation completes, rather than polling the status endpoint.

Query Task Status#

After submitting a task, use the unified query endpoint to check progress and retrieve results:
Get Task Details - Learn how to query task status and retrieve generation results

Task Query Response Format#

When the task is completed successfully (state: "success"), the resultJson field contains:
{
  "character_id": "example_123456789"
}
For production use, we recommend using the callBackUrl parameter to receive automatic notifications when generation completes, rather than polling the status endpoint.

Related Resources#

ResourceDescription
Market OverviewExplore all available models
File Upload APILearn how to upload your character videos
Common APICheck credits and account usage

Request

Authorization
Bearer Token
Provide your bearer token in the
Authorization
header when making requests to protected resources.
Example:
Authorization: Bearer ********************
or
Body Params application/jsonRequired

Examples

Responses

🟢200
application/json
Request successful
Body

Request Request Example
Shell
JavaScript
Java
Swift
curl --location --request POST 'https://api.kie.ai/api/v1/jobs/createTask' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "sora-2-characters",
    "callBackUrl": "https://your-domain.com/api/callback",
    "input": {
        "character_file_url": [
            "https://static.aiquickdraw.com/tools/example/character1.mp4"
        ],
        "character_prompt": "A friendly cartoon character with expressive eyes and fluid movements",
        "safety_instruction": "Ensure the animation is family-friendly and contains no violent or inappropriate content"
    }
}'
Response Response Example
{
    "code": 200,
    "msg": "success",
    "data": {
        "taskId": "task_sora-2-characters_1765174270120"
    }
}
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