Seedance 1.5 Pro API

Generate cinematic video from text or first/last frame images with optional generated audio.

Text to video
Image to video

Try model Get API Key Documentation

Starting at

$0.065

per generation

9 parameters · 18 price options

Seedance 1.5 Pro API pricing

Option	Price per generation
Audio: no · Duration: 4s · Resolution: 480p	$0.065
Audio: no · Duration: 4s · Resolution: 720p	$0.115
Audio: yes · Duration: 4s · Resolution: 480p	$0.129
Audio: no · Duration: 8s · Resolution: 480p	$0.129
Audio: no · Duration: 12s · Resolution: 480p	$0.151
Audio: yes · Duration: 4s · Resolution: 720p	$0.229
Audio: no · Duration: 8s · Resolution: 720p	$0.229
Audio: yes · Duration: 8s · Resolution: 480p	$0.258
Audio: yes · Duration: 4s · Resolution: 1080p	$0.286
Audio: no · Duration: 4s · Resolution: 1080p	$0.286
Audio: yes · Duration: 12s · Resolution: 480p	$0.301
Audio: no · Duration: 12s · Resolution: 720p	$0.301
Audio: yes · Duration: 8s · Resolution: 720p	$0.458
Audio: yes · Duration: 8s · Resolution: 1080p	$0.501
Audio: no · Duration: 8s · Resolution: 1080p	$0.501
Audio: yes · Duration: 12s · Resolution: 720p	$0.601
Audio: yes · Duration: 12s · Resolution: 1080p	$0.715
Audio: no · Duration: 12s · Resolution: 1080p	$0.715

Quick start

Full API reference →

1curl -X POST https://api.api-stock.com/api/v1/generation/create \
2  -H "Authorization: Bearer $API_STOCK_KEY" \
3  -H "Content-Type: application/json" \
4  -d '{
5    "model": "seedance-1-5-pro",
6    "input": {
7      "duration": 4,
8      "size": "16:9",
9      "resolution": "480p",
10      "generateAudio": true,
11      "cameraFixed": false
12    }
13  }'

Parameters

Name	Type	Required	Default	Description
`prompt`	string	No	—	Video content description. Required for text-to-video; optional when image input is provided (maximum 4000 characters).
`duration`	number	No	4	Video duration in secondsOne of: 4, 8, 12
`size`	string	No	16:9	Video aspect ratioOne of: 16:9, 9:16, 1:1, 4:3, 3:4, 21:9
`resolution`	string	No	480p	Video resolutionOne of: 480p, 720p, 1080p
`seed`	number	No	—	Random seed for controlling randomness
`generateAudio`	boolean	No	true	Whether to generate audio
`imageUrls`	string[]	No	—	Public image URLs for image-to-video (maximum 9)
`imageWithRoles`	object[]	No	—	Images with explicit first_frame / last_frame roles. Cannot be combined with other reference-media fields.
`cameraFixed`	boolean	No	false	Whether to fix the camera position

Frequently asked questions

How much does Seedance 1.5 Pro cost?

Seedance 1.5 Pro starts at $0.065 per generation on API Stock. The final charge depends on the selected settings.

When was Seedance 1.5 Pro released?

Seedance 1.5 Pro was released on December 16, 2025 and is available through API Stock.

How do I get an API key for Seedance 1.5 Pro?

Create an account and API key on API Stock, then fund your balance. The same key works with Seedance 1.5 Pro and other catalog models.

How do I call the Seedance 1.5 Pro API?

POST to https://api.api-stock.com/api/v1/generation/create with your API key and model "seedance-1-5-pro". Use the returned task id for polling or receive a webhook.

What input parameters does Seedance 1.5 Pro accept?

Seedance 1.5 Pro accepts 9 input parameters. See their types, defaults and allowed values above.

What happens if a Seedance 1.5 Pro request fails?

API Stock automatically retries the request on a reserve provider. If every provider fails, the charge is refunded to your balance.

Can I use Seedance 1.5 Pro with the same API key as other models?

Yes. Use your API Stock API key and balance for Seedance 1.5 Pro and other catalog models.