Video

Seedance 2.0 Fast

Seedance 2.0 Fast supports text-to-video, first-and-last-frame animation, and omni-reference video generation with optional sound and web search controls.

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480p / 720p

4-15 seconds

Three modes

Sound + web search

Generated preview

Seedance 2.0 Fast

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Integrate with AI

Copy a prompt for your AI assistant to install APIXO MCP, read the live schema, and wire this model into your app.

Endpoints

POSThttps://api.apixo.ai/api/v1/generateTask/seedance-2-0-fastCreate task

GEThttps://api.apixo.ai/api/v1/statusTask/seedance-2-0-fast?taskId={taskId}Poll status

Request body

request_type

async

Use callback with callback_url for webhooks.

input

object

Mode, prompt, references, size, duration, and audio settings.

Parameters

request_typerequired

Typeselect

Use async to poll statusTask, or callback to receive a webhook when the result is ready.async · callback

callback_urlconditional

Typetext

Public HTTPS URL for callback delivery.Only in request_type=callback

moderequired

Typeselect

Choose the video workflow supported by this model.omni_reference · text-to-video · first_and_last_frames

promptrequired

Typestring

Describe the subject, action, scene, camera movement, lighting, and audio cues for the final video.

resolutionrequired

Typeselect

Choose the output resolution tier.480p · 720p

durationrequired

Typeselect

Clip length in seconds. Pricing may scale by duration.4 · 5 · 6 · 7 · 8 · 9 · 10 · 11 · 12 · 13 · 14 · 15

aspect_ratiorequired

Typeselect

Choose the output frame ratio when the selected mode supports it.auto · 16:9 · 4:3 · 1:1 · 3:4 · 9:16 · 21:9

soundoptional

Typeboolean

Enable model-generated audio when this provider supports it.

web_searchoptional

Typeboolean

Enable web-grounded context when this model exposes search support.

Parameter	Type	Required	Description
`request_type`	select	required	Use async to poll statusTask, or callback to receive a webhook when the result is ready.async · callback
`callback_url`	text	conditional	Public HTTPS URL for callback delivery.Only in request_type=callback
`mode`	select	required	Choose the video workflow supported by this model.omni_reference · text-to-video · first_and_last_frames
`prompt`	string	required	Describe the subject, action, scene, camera movement, lighting, and audio cues for the final video.
`resolution`	select	required	Choose the output resolution tier.480p · 720p
`duration`	select	required	Clip length in seconds. Pricing may scale by duration.4 · 5 · 6 · 7 · 8 · 9 · 10 · 11 · 12 · 13 · 14 · 15
`aspect_ratio`	select	required	Choose the output frame ratio when the selected mode supports it.auto · 16:9 · 4:3 · 1:1 · 3:4 · 9:16 · 21:9
`sound`	boolean	optional	Enable model-generated audio when this provider supports it.
`web_search`	boolean	optional	Enable web-grounded context when this model exposes search support.

File parameters (URL arrays)

image_urls[mode=first_and_last_frames]Upload image references for image-to-video, keyframe, or reference-guided workflows.Only in mode=first_and_last_frames

video_urls[mode=omni_reference]Upload video references or source clips for this workflow.Only in mode=omni_reference

audio_urls[mode=omni_reference]Upload audio references for multimodal generation when supported.Only in mode=omni_reference

Example (cURL)

curl -X POST "https://api.apixo.ai/api/v1/generateTask/seedance-2-0-fast" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "request_type": "async",
    "input": {
      "mode": "text-to-video",
      "prompt": "A cinematic product reveal in a dark studio",
      "resolution": "720p",
      "duration": 5,
      "aspect_ratio": "auto",
      "sound": true,
      "web_search": false
    }
  }'

Full API documentation

Seedance 2.0 Fast Tips

Create video generation with Seedance 2.0 Fast

Use Seedance 2.0 Fast through APIXO to try prompts, inspect examples, compare costs, and keep useful settings ready for future generations.

Create

Start with an idea

Pick a model, tune the settings, and create in one place.

Write an idea

Describe what you want to make.

Use an example

Start from a ready-made style.

Adjust the look

Tune the key settings quickly.

Create

Generate when everything feels right.

Keep results

Save what you want to revisit.

Try again

Make the next version faster.

Seedance 2.0 Fast API Technical Specs

Current Seedance 2.0 Fast capabilities and important creation limits.

Seedance 2.0 Fast Modes

Text-to-video, first-and-last-frames, and omni-reference

Seedance 2.0 Fast Output

480p / 720p

Seedance 2.0 Fast Controls

4-15 seconds / Three modes

Seedance 2.0 Fast Latency

Typically 3-6 minutes

Fast Video API

Key Seedance 2.0 Fast capabilities

Seedance 2.0 Fast video generation

Use Seedance 2.0 Fast for Text-to-video, first-and-last-frames, and omni-reference creation with simple controls for prompts, references, and output settings.

Seedance 2.0 Fast reference control

Upload supported reference assets where available, then keep refining the same idea on the model page.

Seedance 2.0 Fast generation status

Keep track of longer video generations while the result is being prepared.

What can you build with Seedance 2.0 Fast?

Seedance 2.0 Fast product videos

Create product reveals, ecommerce ads, launch clips, and campaign motion assets.

Seedance 2.0 Fast social creative

Generate short videos for social channels and iterate quickly across prompt, duration, resolution, and ratio settings.

Seedance 2.0 Fast storyboard workflows

Use text prompts and references to validate scenes, shots, and motion ideas before committing production budget.

Read FAQ

Seedance 2.0 Fast notes and questions

Seedance 2.0 Fast accepts 4-15 second outputs in one-second increments.

First-and-last-frames mode requires 1-2 public image references.

Omni-reference supports 1-9 images, 1-3 videos, and 1-3 audio files, but audio-only omni-reference requests are rejected.

Each video or audio reference must be 2-15 seconds, with total referenced duration up to 15 seconds per media type.

Production systems should use polling with backoff or callback delivery because typical generation takes several minutes.

Yes. Use the Create tab to try prompts, upload supported inputs, and adjust settings directly in the browser.

APIXO

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