数字人
使用 CometAPI 中的 Kling Avatar API 基于图像生成数字人驱动视频。使用 POST /kling/v1/videos/avatar/image2video 快速创建图生视频数字人。
curl --request POST \
--url https://api.cometapi.com/kling/v1/videos/avatar/image2video \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"image": "example"
}
'{
"code": 123,
"message": "<string>",
"data": {
"task_id": "<string>",
"task_status": "<string>",
"created_at": 123,
"updated_at": 123,
"task_info": {}
}
}调用前准备
- 提供一个数字人
image，可以是公开 URL 或原始 base64 字符串 - 仅发送
audio_id或sound_file其中之一 - 首次请求请尽量保持简单：一张人脸图片、一个音频片段，以及一个可选的简短 prompt
- 除非你明确需要更高质量的路径，否则请先使用
mode: std
音频源规则
- 如果你已经通过 Kling TTS 路径生成了语音，
audio_id是最简单的方式 - 如果你已经有自己的 MP3、WAV、M4A 或 AAC 资源，则可以使用
sound_file - 文档中说明数字人音频时长为 2 到 60 秒
任务流程
轮询任务
授权
Bearer token authentication. Use your CometAPI key.
请求头
Optional content type header.
请求体
- Option 1
- Option 2
Avatar reference image. Accepts an image URL or raw Base64 string (no data: prefix). Supported formats: JPG, JPEG, PNG. Max file size 10 MB. Minimum dimension 300 px on each side; aspect ratio between 1:2.5 and 2.5:1.
Audio ID returned by the Kling TTS API. Only audio clips between 2 and 60 seconds generated within the last 30 days are accepted. Mutually exclusive with sound_file — exactly one must be provided.
Audio file as a URL or Base64 string. Accepted formats: MP3, WAV, M4A, AAC. Max 5 MB, duration 2–60 seconds. Mutually exclusive with audio_id — exactly one must be provided.
Text prompt to guide avatar actions, emotions, and camera movements. Max 2500 characters.
Generation mode. std (standard, faster and more cost-effective) or pro (professional, higher quality output).
Webhook URL for task status notifications. The server sends a callback when the task status changes.
Optional user-defined task ID for your own tracking. Does not replace the system-generated task ID. Must be unique per account.
curl --request POST \
--url https://api.cometapi.com/kling/v1/videos/avatar/image2video \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"image": "example"
}
'{
"code": 123,
"message": "<string>",
"data": {
"task_id": "<string>",
"task_status": "<string>",
"created_at": 123,
"updated_at": 123,
"task_info": {}
}
}