Video

Seedance 2.0 Fast

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

480p / 720p4-15 secondsThree modesSound + web search

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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

Authentication

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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.5 · 10 · 15

aspect_ratiorequired

Typeselect

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

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.5 · 10 · 15
`aspect_ratio`	select	required	Choose the output frame ratio when the selected mode supports it.auto · 16:9 · 9:16 · 1:1 · 4:3 · 3:4
`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 / omni_reference]Required for first_and_last_frames (1-2 images). Optional for omni_reference (1-9 images).Only in mode=first_and_last_frames / omni_reference

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": "480p",
      "duration": 5,
      "aspect_ratio": "16:9",
      "sound": true,
      "web_search": false
    }
  }'

Full API documentation

Seedance 2.0 Fast API Guide

Seedance 2.0 Fast API for video generation workflows

Use Seedance 2.0 Fast through APIXO to test prompts in the Playground, inspect demos, compare pricing, and move the same settings into production API calls.

Seedance 2.0 Fast workflow

Build and ship Seedance 2.0 Fast API workflows from one page

This Seedance 2.0 Fast landing page is designed for teams that want to evaluate output quality, compare pricing, create API keys, and hand tested settings into production code from the same workflow.

Seedance 2.0 Fast prompt testing

Use the Seedance 2.0 Fast playground to test prompts, mode choices, and output settings before moving a request into production.

Seedance 2.0 Fast demo review

Inspect real or placeholder video outputs first, then load the same demo parameters into the Playground for faster iteration.

Seedance 2.0 Fast API handoff

Move from visual testing to API keys, cURL examples, request JSON, and documentation without leaving this model page.

Seedance 2.0 Fast pricing clarity

Compare available pricing tiers on the same page before choosing a cost profile for production jobs.

Seedance 2.0 Fast input control

Adjust image, video, or motion references directly in the Playground so the tested form matches the documented API surface.

Seedance 2.0 Fast production readiness

Use APIXO when async polling, callback delivery, generation history, and predictable billing matter for team workflows.

Model Overview

What is the Seedance 2.0 Fast API?

Seedance 2.0 Fast is available through APIXO as a production API for video generation. The model page combines playground testing, real request parameters, pricing, and documentation handoff in one workflow.

Use this page to validate prompts and mode choices first, then keep the same settings for API keys, cURL examples, backend integration, and repeatable generation jobs.

Seedance 2.0 Fast API workflow for production teams

Start with the Playground and choose the mode that matches your input assets.
Review example outputs and load demo parameters when you need a quick baseline.
Check pricing before sending large batches or higher-resolution jobs.
Use async polling for interactive UX or callback mode for backend queues.

Seedance 2.0 Fast API Technical Specs

Current Seedance 2.0 Fast API capabilities and integration-relevant constraints.

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 workflows with Playground controls aligned to the public API docs.

Seedance 2.0 Fast reference control

Upload supported reference assets where available, then reuse the same settings in generated API examples.

Seedance 2.0 Fast async delivery

Plan around long-running generation with recommended polling and callback-ready production integration.

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 with reusable API parameters.

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.

Seedance 2.0 Fast notes & limitations

Seedance 2.0 Fast accepts 4-15 second outputs; the Playground exposes practical 5, 10, and 15 second presets.
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.

Seedance 2.0 Fast frequently asked questions

Start building

Try the playground above, then move to the API docs when you're ready to integrate.

Try playground View API docs