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POST
/
v1
/
videos
Error
A valid request URL is required to generate request examples
{
  "id": "video_abc123",
  "object": "video",
  "created_at": 1761234567,
  "status": "queued",
  "model": "veo-3.1-fast-generate-preview",
  "prompt": "A cinematic lion at sunset",
  "progress": 0,
  "seconds": 6,
  "size": "1280x720"
}

​
可用模型

模型说明
veo-3.1-generate-preview标准质量，画质更优
veo-3.1-fast-generate-preview快速出片，速度更快

​
创建视频任务

​
文生视频

curl -X POST "https://models.kapon.cloud/v1/videos" \
  -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "veo-3.1-fast-generate-preview",
    "prompt": "A cinematic shot of a lion walking through golden savanna at sunset, dramatic lighting",
    "seconds": 6,
    "size": "1280x720"
  }'

​
图生视频

通过参考图生成视频，支持以下方式： JSON 方式（URL）： 
curl -X POST "https://models.kapon.cloud/v1/videos" \
  -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "veo-3.1-generate-preview",
    "prompt": "Camera slowly zooms in, cinematic lighting",
    "seconds": 6,
    "size": "1280x720",
    "input_reference": ["https://example.com/image.jpg"]
  }'
Multipart 方式（上传文件）： 
curl -X POST "https://models.kapon.cloud/v1/videos" \
  -H "Authorization: Bearer $TOKEN" \
  -F "model=veo-3.1-generate-preview" \
  -F "prompt=Camera slowly zooms in, cinematic lighting" \
  -F "seconds=6" \
  -F "size=1280x720" \
  -F "input_reference=@image.jpg"

​
首尾帧视频

提供首帧和尾帧图片，生成过渡视频： 
curl -X POST "https://models.kapon.cloud/v1/videos" \
  -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "veo-3.1-generate-preview",
    "prompt": "Smooth transition between scenes",
    "seconds": 6,
    "size": "1280x720",
    "input_reference": [
      "https://example.com/first_frame.jpg",
      "https://example.com/last_frame.jpg"
    ]
  }'

​
响应示例

{
  "id": "video_abc123",
  "object": "video",
  "model": "veo-3.1-fast-generate-preview",
  "status": "queued",
  "progress": 0,
  "created_at": 1761234567
}

​
查询任务状态

curl "https://models.kapon.cloud/v1/videos/{video_id}" \
  -H "Authorization: Bearer $TOKEN"

​
状态说明

状态说明
queued排队中
in_progress生成中
completed已完成
failed失败

​
完成响应示例

{
  "id": "video_abc123",
  "object": "video",
  "model": "veo-3.1-fast-generate-preview",
  "status": "completed",
  "progress": 100,
  "video_url": "https://...",
  "seconds": 6,
  "size": "1280x720"
}

​
下载视频

curl -L "https://models.kapon.cloud/v1/videos/{video_id}/content" \
  -H "Authorization: Bearer $TOKEN" \
  -o output.mp4

​
参数说明

参数类型必填说明
modelstring是模型名称
promptstring是文本提示词
secondsint/string否视频时长：4、6、8 秒（默认 6）
sizestring否分辨率（见下表）
input_referencearray否参考图 URL 数组（1-3 张）

​
分辨率选项

分辨率画幅说明
1280x72016:9 横屏720p（默认）
720x12809:16 竖屏720p
1920x108016:9 横屏1080p（仅支持 8 秒）
1080x19209:16 竖屏1080p（仅支持 8 秒）

​
最佳实践

  • 提示词：描述具体场景、镜头运动、光线氛围，效果更佳
  • 1080p 限制：高清分辨率仅支持 8 秒时长
  • 参考图：建议与目标画幅比例一致
  • 轮询间隔：建议 6-10 秒，避免频繁请求
  • 快速版 vs 标准版：快速版适合预览，标准版画质更优

Authorizations

​
Authorization
string
header
required

API Key

Body

​
model
enum<string>
required

模型名称

Available options:
veo-3.1-generate-preview,
veo-3.1-fast-generate-preview
Example:

"veo-3.1-fast-generate-preview"

​
prompt
string
required

文本提示词

Example:

"A cinematic lion at sunset"

​
seconds

视频时长（秒）：4、6、8

Example:

6

​
size
enum<string>
default:1280x720

分辨率

Available options:
1280x720,
720x1280,
1920x1080,
1080x1920
Example:

"1280x720"

​
input_reference
string[]

参考图 URL 数组（1-3 张）

Example:
["https://example.com/image.jpg"]

Response

任务创建成功

​
id
string

任务 ID

Example:

"video_abc123"

​
object
enum<string>
Available options:
video
Example:

"video"

​
created_at
integer

创建时间戳

Example:

1761234567

​
completed_at
integer

完成时间戳

​
status
enum<string>

任务状态

Available options:
queued,
in_progress,
completed,
failed
Example:

"queued"

​
model
string

模型名称

Example:

"veo-3.1-fast-generate-preview"

​
prompt
string

提示词

​
progress
number

进度（0-100）

Example:

0

​
seconds
integer

视频时长

Example:

6

​
size
string

分辨率

Example:

"1280x720"

​
video_url
string

视频直链（完成后返回）

​
error
object