The LAS enhanced/basic version video generation service is built around the Seedance series of models, integrating pre- and post-processing for video generation, and adding capabilities such as video format conversion, video segmentation, video restoration, subtitle generation, audio-video merging, and video super-resolution. These features extend the capability boundaries of video generation models, improve the quality and duration of generated videos, reduce token consumption costs, and help customers increase production efficiency.

Application scenarios #

As a general-purpose large video generation model, Seedance can be flexibly applied to a wide range of video generation scenarios. For example:

• Marketing and promotional videos: product promotion, brand advertising shorts, event or holiday marketing content. Supports direct generation from text or images, suitable for high-frequency, batch material production.
• Short video content production: Douyin/Video Account/Bilibili content, MCN batch production, rapid content creation for individual creators. Provides generation, editing, and extension capabilities, with an emphasis on style, camera movement, and character stability control.
• Image-to-video / photo animation: converting static posters to dynamic content, dynamic interpretation of product or character images, animating old photos or illustrations. Supports text-to-video and image-to-video; some versions support control of the first and last frames.
• Video editing and secondary creation: re-editing, video extension, stylization, and multi-material splicing. The 2.0 series explicitly supports video editing and extension, not just generation from scratch.
• Education and knowledge expression: course explanation shorts, animated picture books or science popularization, teaching demonstration videos. Visualizes abstract knowledge or script content to improve communication efficiency.
• Digital human / character consistency content: virtual anchors, virtual idols, digital humans for enterprise training. Ensures stable character features, object detail, and style restoration capabilities.
• E-commerce and livestreaming materials: product display videos, virtual scene demonstrations, livestream room warm-up or clips. Enables large-scale, rapid, and low-cost material production, highly suited for e-commerce scenarios.

Effect demonstration #

Supported models #

Model capabilities #

Supported regions #

• Beijing: cn-beijing
• Shanghai: cn-shanghai

Operator performance #

Input requirements #

Output requirements #

• Billing standards

  Breakdown items	Billing standards description
  Billing item	Duration of input/output video.
  Billing type	Usage-based billing, unit: CNY/second, billed hourly based on actual billing usage.
  Unit price	Depends on the algorithm version you select (Basic Edition, Enhanced Edition).

  warning

  • Total cost paid: In addition to the unit price, it also depends on the duration of the input/output video and the resolution of the input/output video.
  • Only tasks that successfully generate videos will incur charges. Scenarios where video generation fails due to review or other operational reasons will not be charged.

• Billing details
  Billing estimate: Total cost ≈ Unit price * Billing usage = Unit price * (Video duration * Duration conversion coefficient)

  warning

  The above formula is for cost estimation only. Actual billing is based on the bill.

  Version breakdown	Unit price	Model type	Scenario breakdown	Billing item: Video duration	Duration conversion coefficient: Related to video resolution
  Basic Edition	1.6 CNY/second	seedance 2.0 fast	No input video	Output video duration	480P：0.465 720P：1
  			With input video	[ max(input video duration, output video duration*2/3) + output video duration ] /2	480P：0.554 720P：1.220
  		seedance 2.0 mini	No input video	Output video duration	480P：0.290625 720P：0.625
  			With input video	[ max(input video duration, output video duration*2/3) + output video duration ] /2	480P：0.176875 720P：0.38125
  Enhanced Edition	2 CNY/second	seedance 2.0	No input video	Output video duration	480P：0.465 720P：1 1080P：2.504 4k：3.19
  			With input video	[ max(input video duration, output video duration*2/3) + output video duration ] /2	480P：0.580 720P：1.220 1080P：3.040 4k：5.057

• Billing example

  • Example scenario: Using video generation - Enhanced Edition for video generation, the input includes a reference video (duration 5 seconds), the output video duration is 7 seconds, and the resolution is 1080p.
  • Cost details:
    Total cost ≈ Unit price * Billing usage = 2 CNY/second * [ max(5 seconds, 7 seconds*2/3) + 7 seconds ]/2 * 3.040 = 36.48 CNY

Generate #

POST https://operator.las.ap-southeast-1.volces.com/api/v1/contents/generations/tasks

API description #

Use the seedance model to generate videos.

Request parameters #

Response parameters #

Example #

Request example

curl --location 'https://operator.las.ap-southeast-1.volces.com/api/v1/contents/generations/tasks' \
--header 'Authorization: $LAS_API_KEY' \
--header 'Content-Type: application/json' \
--data '{
    "model": "doubao-seedance-2-0-260128",
    "content": [
        {
            "type": "text",
            "text": "请把@视频1的背景替换成@图片1"
        },
        {
            "type": "image_url",
            "image_url": {
                "url": "image_url"
            },
            "role": "reference_image"
        },
        {
            "type": "video_url",
            "video_url": {
                "url": "video_url"
            },
            "role": "reference_video"
        }
    ],
    "generate_audio":false,
    "seed":42,
    "watermark": false
}'

Response example

{
    "id": "lsd-89b8ea3232b8f1205702"
}

Task #

GET https://operator.las.ap-southeast-1.volces.com/api/v1/contents/generations/tasks/{id}

API description #

Query the status of the video generation task.

Request parameters #

Response parameters #

Example #

Request example

curl --location "https://operator.las.ap-southeast-1.volces.com/api/v1/contents/generations/tasks/lsd-89b8ea3232b8f1205702" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer $LAS_API_KEY"

Response example

{
  "id": "lsd-89b8ea3232b8f1205702",
  "model": "doubao-seedance-2-0-260128",
  "status": "succeeded",
  "content": {
    "video_url": " `https://ark-acg-cn-beijing.tos-cn-beijing.volces.com/doubao-seedance-2-0/02178419371805600000000000000000000f****21.mp4?X-Tos-Algorithm=*****d&X-Tos-SignedHeaders=host` "
  },
  "usage": {
    "completion_tokens": 648900,
    "total_tokens": 648900
  },
  "created_at": 1784193717,
  "updated_at": 1784194096,
  "seed": 84841,
  "resolution": "720p",
  "ratio": "16:9",
  "duration": 15,
  "framespersecond": 24,
  "service_tier": "default",
  "execution_expires_after": 172800,
  "generate_audio": true,
  "draft": false,
  "priority": 0
}

Error code #