Video

Seedance 1.5 Pro

Seedance 1.5 Pro supports short text-to-video and image-to-video clips with required sound control, 480p/720p resolution, and predictable per-second pricing.

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480p / 720p

4 / 8 / 12 seconds

Text or image input

Sound toggle

Generated preview

Seedance 1.5 Pro

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Create with Seedance 1.5 Pro

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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-1-5-proCreate task

GEThttps://api.apixo.ai/api/v1/statusTask/seedance-1-5-pro?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.text-to-video · image-to-video

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 · 8 · 12

aspect_ratiorequired

Typeselect

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

soundoptional

Typeboolean

Enable model-generated audio when this provider supports it.

fixed_lensoptional

Typeboolean

Keep the camera stable when you want a steadier shot.

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.text-to-video · image-to-video
`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 · 8 · 12
`aspect_ratio`	select	required	Choose the output frame ratio when the selected mode supports it.1:1 · 3:4 · 4:3 · 16:9 · 9:16 · 1:1 · 21:9
`sound`	boolean	optional	Enable model-generated audio when this provider supports it.
`fixed_lens`	boolean	optional	Keep the camera stable when you want a steadier shot.

File parameters (URL arrays)

image_urls[mode=image-to-video]Upload 1-2 images for image-to-video. A second image is treated as the end frame.Only in mode=image-to-video

Example (cURL)

curl -X POST "https://api.apixo.ai/api/v1/generateTask/seedance-1-5-pro" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "request_type": "async",
    "input": {
      "mode": "text-to-video",
      "prompt": "A calm seaside sunrise with gentle camera dolly movement",
      "resolution": "720p",
      "duration": 8,
      "sound": false,
      "aspect_ratio": "16:9",
      "fixed_lens": false
    }
  }'

Full API documentation

Seedance 1.5 Pro Tips

Create video generation with Seedance 1.5 Pro

Use Seedance 1.5 Pro 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 1.5 Pro API Technical Specs

Current Seedance 1.5 Pro capabilities and important creation limits.

Seedance 1.5 Pro Modes

Text-to-video and image-to-video

Seedance 1.5 Pro Output

480p / 720p

Seedance 1.5 Pro Controls

4 / 8 / 12 seconds / Text or image input

Seedance 1.5 Pro Latency

Typically 40-120 seconds

ByteDance Video API

Key Seedance 1.5 Pro capabilities

Seedance 1.5 Pro video generation

Use Seedance 1.5 Pro for Text-to-video and image-to-video creation with simple controls for prompts, references, and output settings.

Seedance 1.5 Pro reference control

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

Seedance 1.5 Pro generation status

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

What can you build with Seedance 1.5 Pro?

Seedance 1.5 Pro product videos

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

Seedance 1.5 Pro social creative

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

Seedance 1.5 Pro storyboard workflows

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

Read FAQ

Seedance 1.5 Pro notes and questions

Seedance 1.5 Pro accepts prompts from 3 to 2500 characters after trimming.

Image-to-video requires 1-2 public image URLs; the second image is treated as the final frame when provided.

Supported resolution values are 480p and 720p only for the current API route.

Video duration must be an integer from 4 to 12 seconds.

The sound field is required and must be a boolean value.

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

APIXO

Create with Seedance 1.5 Pro

Write a prompt, adjust the style, and generate your next image in one place.

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