爱诗-图生视频-基于首尾帧API参考

首尾帧生视频

支持模型：pixverse/pixverse-c1-kf2v、pixverse/pixverse-v6-kf2v、pixverse/pixverse-v5.6-kf2v。

# 调用时请将 {WorkspaceId} 替换为真实的业务空间ID。
curl --location 'https://{WorkspaceId}.cn-beijing.maas.aliyuncs.com/api/v1/services/aigc/video-generation/video-synthesis' \
    -H 'X-DashScope-Async: enable' \
    -H "Authorization: Bearer $DASHSCOPE_API_KEY" \
    -H 'Content-Type: application/json' \
    -d '{
    "model": "pixverse/pixverse-c1-kf2v",
    "input": {
        "media": [
            {
                "type": "first_frame",
                "url": "https://wanx.alicdn.com/material/20250318/first_frame.png"
            },
            {
                "type": "last_frame",
                "url": "https://wanx.alicdn.com/material/20250318/last_frame.png"
            }
        ],
        "prompt": "一只小猫从窗台向下跳跃，轻盈地落在沙发上，然后好奇地环顾四周。"
    },
    "parameters": {
        "resolution": "720P",
        "duration": 5,
        "watermark": true
    }
}'

Python SDK

from http import HTTPStatus
from dashscope import VideoSynthesis
import dashscope
import os

# 若没有配置环境变量，请用百炼API Key将下行替换为：api_key="sk-xxx"
# 获取API Key：https://help.aliyun.com/zh/model-studio/get-api-key
api_key = os.getenv("DASHSCOPE_API_KEY")

media = [{'type': 'first_frame', 'url': 'https://wanx.alicdn.com/material/20250318/first_frame.png'}, {'type': 'last_frame', 'url': 'https://wanx.alicdn.com/material/20250318/last_frame.png'}]

def sample_async_call():
    # 异步提交视频生成任务
    rsp = VideoSynthesis.async_call(api_key=api_key,
                                model='pixverse/pixverse-c1-kf2v',
                                media=media,
                                prompt='一只小猫从窗台向下跳跃，轻盈地落在沙发上，然后好奇地环顾四周。',
                                resolution='720P',
                                duration=5,
                                watermark=True)
    print(rsp)
    if rsp.status_code == HTTPStatus.OK:
        print("task_id: %s" % rsp.output.task_id)
    else:
        print('Failed, status_code: %s, code: %s, message: %s' %
              (rsp.status_code, rsp.code, rsp.message))

    # 查询任务状态
    status = VideoSynthesis.fetch(task=rsp, api_key=api_key)
    if status.status_code == HTTPStatus.OK:
        print(status.output.task_status)
    else:
        print('Failed, status_code: %s, code: %s, message: %s' %
              (status.status_code, status.code, status.message))

    # 等待任务完成
    rsp = VideoSynthesis.wait(task=rsp, api_key=api_key)
    print(rsp)
    if rsp.status_code == HTTPStatus.OK:
        print(rsp.output.video_url)
    else:
        print('Failed, status_code: %s, code: %s, message: %s' %
              (rsp.status_code, rsp.code, rsp.message))

if __name__ == '__main__':
    sample_async_call()

成功响应

请保存 task_id，用于查询任务状态与结果。

{
    "output": {
        "task_status": "PENDING",
        "task_id": "0385dc79-5ff8-4d82-bcb6-xxxxxx"
    },
    "request_id": "4909100c-7b5a-9f92-bfe5-xxxxxx"
}

异常响应

创建任务失败，请参见错误码进行解决。

{
    "code": "InvalidApiKey",
    "message": "No API-key provided.",
    "request_id": "7438d53d-6eb8-4596-8835-xxxxxx"
}

查询任务结果

将{task_id}完整替换为上一步接口返回的task_id的值。task_id查询有效期为24小时，并请将{WorkspaceId}替换为真实的业务空间ID。

curl -X GET https://{WorkspaceId}.cn-beijing.maas.aliyuncs.com/api/v1/tasks/{task_id} \
--header "Authorization: Bearer $DASHSCOPE_API_KEY"

任务执行成功

{
    "request_id": "40799260-689c-4c44-9d7c-xxxxxx",
    "output": {
        "task_id": "408b6c3b-27c9-43dd-b928-xxxxxx",
        "task_status": "SUCCEEDED",
        "submit_time": "2026-03-20 13:47:42.916",
        "scheduled_time": "2026-03-20 13:47:42.949",
        "end_time": "2026-03-20 13:48:41.896",
        "orig_prompt": "一只小猫从窗台向下跳跃，轻盈地落在沙发上，然后好奇地环顾四周。",
        "video_url": "https://media.pixverseai.cn/xxx.mp4"
    },
    "usage": {
        "duration": 5,
        "size": "1280*960",
        "fps": 24,
        "video_count": 1,
        "audio": false,
        "SR": "720"
    }
}

任务执行失败

若任务执行失败，task_status将置为 FAILED，并提供错误码和信息。请参见错误码进行解决。

{
    "request_id": "e5d70b02-ebd3-98ce-9fe8-759d7d7b107d",
    "output": {
        "task_id": "86ecf553-d340-4e21-af6e-a0c6a421c010",
        "task_status": "FAILED",
        "code": "InvalidParameter",
        "message": "The size is not match xxxxxx"
    }
}

任务查询过期

task_id查询有效期为 24 小时，超时后将无法查询，返回以下报错信息。

{
    "request_id": "a4de7c32-7057-9f82-8581-xxxxxx",
    "output": {
        "task_id": "502a00b1-19d9-4839-a82f-xxxxxx",
        "task_status": "UNKNOWN"
    }
}