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POST
通过文本或图像创建 Veo 3.1 视频。API 会立即返回任务 ID。保存返回的 id,以便轮询任务并下载完成的视频。 POST /v1/videos 使用 multipart/form-data。将控制参数作为表单字段发送,并将图像作为 input_reference 文件字段发送。

选择模型

选择输入模式

要让图像动起来,请通过 input_reference 上传一个文件,并且仅使用一次该字段。图像将设定开场帧;prompt 描述后续的运动和镜头行为。

设置时长和尺寸

对于此 OpenAI 兼容路由,使用明确的整数 seconds 值设置时长,并使用 size 设置输出尺寸。将两个值都作为表单字段发送。 size 设置为以下 WxH 值之一。

任务流程

1

创建任务

发送 multipart 表单请求,并保存返回的 id
2

轮询任务

使用 Veo3 Retrieve 直到 statuscompletedfailederror
3

下载结果

当任务状态为 completed 时,从已完成任务的响应中下载 MP4 文件。

授权

Authorization
string
header
必填

Bearer authentication. Use your CometAPI API key.

请求体

multipart/form-data
model
enum<string>
必填

Veo 3.1 model ID. Use veo3.1-fast for the default route or veo3.1 when you specifically need the standard model.

可用选项:
veo3.1-fast,
veo3.1
示例:

"veo3.1-fast"

prompt
string
必填

Text prompt for the video job.

示例:

"A paper kite floats above a field."

seconds
enum<integer>
默认值:4

Requested clip duration in whole seconds. Send 4, 6, or 8 as a form field.

可用选项:
4,
6,
8
示例:

4

size
string

Supported WxH size values: 1280x720, 720x1280, 1920x1080, 3840x2160. Default is 1280x720.

示例:

"1280x720"

input_reference
file

One image file that sets the opening frame for image-to-video. Send input_reference once with one file. Use prompt to describe the motion and camera behavior that follow.

响应

Task created. Store the returned id and poll GET /v1/videos/{task_id}.

id
string
必填

Task ID. Use this value with retrieve and content endpoints.

示例:

"task_example"

object
string
必填

Object type. Video tasks return video.

示例:

"video"

model
string
必填

Model ID used for the task.

示例:

"veo3.1-fast"

status
enum<string>
必填

Task lifecycle status. Poll until the value is completed, failed, or error.

可用选项:
queued,
in_progress,
completed,
failed,
error
示例:

"queued"

progress
integer
必填

Task progress as a coarse percentage.

必填范围: 0 <= x <= 100
示例:

0

created_at
integer
必填

Task creation time as a Unix timestamp in seconds.

示例:

1779938152

task_id
string

Compatibility alias for id when present.

示例:

"task_example"

completed_at
integer

Task completion time as a Unix timestamp in seconds. This field appears on completed tasks.

示例:

1779938219

video_url
string

Temporary video delivery URL. This field appears on completed tasks.

示例:

"<temporary-video-url>"

error
object

Failure details. This field appears when the task fails.

最后修改于 2026年9月9日