Video

Seedance 1.5 Pro

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

480p / 720p4 / 8 / 12 secondsText or image inputSound toggle

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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

Authentication

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Request body

request_type

async

Use callback with callback_url for webhooks.

provider

official

Matches the Seedance 2.0 manual.

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=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

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 API Guide

Seedance 1.5 Pro API for video generation workflows

Use Seedance 1.5 Pro through APIXO to test prompts in the Playground, inspect demos, compare pricing, and move the same settings into production API calls.

Seedance 1.5 Pro workflow

Build and ship Seedance 1.5 Pro API workflows from one page

This Seedance 1.5 Pro 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 1.5 Pro prompt testing

Use the Seedance 1.5 Pro playground to test prompts, mode choices, and output settings before moving a request into production.

Seedance 1.5 Pro demo review

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

Seedance 1.5 Pro API handoff

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

Seedance 1.5 Pro pricing clarity

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

Seedance 1.5 Pro input control

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

Seedance 1.5 Pro production readiness

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

Model Overview

What is the Seedance 1.5 Pro API?

Seedance 1.5 Pro 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 1.5 Pro 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 1.5 Pro API Technical Specs

Current Seedance 1.5 Pro API capabilities and integration-relevant constraints.

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 workflows with Playground controls aligned to the public API docs.

Seedance 1.5 Pro reference control

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

Seedance 1.5 Pro async delivery

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

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 with reusable API parameters.

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.

Seedance 1.5 Pro notes & limitations

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.

Seedance 1.5 Pro 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