bytedance/seedance/2.0/image-to-video

Name: Seedance 2.0 Image to Video
Author: Bytedance

ByteDance's most advanced image-to-video model transforming still images into cinematic video with native audio, multi-shot editing, and director-level camera control for professional-grade video creation.

Input

Prompt(string)

The text prompt to generate a video from.

Image URL or upload(string)

Upload

PNG, JPEG, WebP, or GIF · 20 MiB maximum

The URL of the starting image for video generation.

This field is required.

Image URL or upload(string)

Upload

PNG, JPEG, WebP, or GIF · 20 MiB maximum

The URL of the ending image for video generation.

Duration(integer)

The duration of the generated video in seconds. Allowed values: 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15.

Aspect Ratio(string)

The aspect ratio of the generated video. Allowed values: 16:9, 9:16, 1:1, 4:3, 3:4, 21:9.

Resolution(string)

The resolution of the video to generate. Allowed values: 480p, 720p, 1080p, 4k.

Generate Audio(boolean)

Whether to generate synchronized audio (voice, SFX, BGM) for the video.

Idle

Example output — click Run to generate your own

Production endpoint

Send your first request

OpenAI-compatible endpoint with unified authentication and usage tracking.

POSThttps://api.sandbase.ai/v1/run

Model IDbytedance/seedance/2.0/image-to-video

Input Schema

7 parameters · 2 required · 5 optional

Parameter	Type	Required	Description
`image`	string	Required	The URL of the starting image for video generation.
`prompt`	string	Required	The text prompt to generate a video from. · Min length: 3 · Max length: 50000 · Default: "Create a 360-degree orbiting camera shot based on this photo."
`duration`	integer	Optional	The duration of the generated video in seconds. · Options: 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 · Default: 5 456789101112131415
`end_image`	string	Optional	The URL of the ending image for video generation.
`resolution`	string	Optional	The resolution of the video to generate. · Options: 480p, 720p, 1080p, 4k · Default: "720p" 480p720p1080p4k
`aspect_ratio`	string	Optional	The aspect ratio of the generated video. · Options: 16:9, 9:16, 1:1, 4:3, 3:4, 21:9 16:99:161:14:33:421:9
`generate_audio`	boolean	Optional	Whether to generate synchronized audio (voice, SFX, BGM) for the video. · Default: true

Output Schema

Field	Type	Description
`id`	string	Unique identifier for the generation task
`status`	string	Task status: pending, running, completed, failed, timeout
`model`	string	Model used for the generation
`outputs`	array	Array of output items
`outputs[].url`	string	URL of the generated artifact
`outputs[].content_type`	string	MIME type (e.g. image/png, video/mp4)
`error`	object \| null	Error details if failed, null on success
`error.type`	string	Machine-readable error type code
`error.message`	string	Human-readable error description

Async Workflow

This model uses asynchronous execution. Submit a request and poll for the result.

Submit — POST to /v1/run, receive an id
Poll — GET /v1/run/{id} until status is completed, failed, or timeout
Retrieve — Read outputs from the completed response

Code Examples

Ready-to-run snippets

# Step 1: Submit
curl -X POST https://api.sandbase.ai/v1/run \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
  "model": "bytedance/seedance/2.0/image-to-video",
  "image": "https://p9-arcosite.byteimg.com/tos-cn-i-goo7wpa0wc/f8fc1008f23a4908b7c897e8b7eb87df~tplv-goo7wpa0wc-image.image",
  "prompt": "Create a 360-degree orbiting camera shot based on this photo.",
  "duration": 5,
  "resolution": "720p",
  "generate_audio": true
}'

# Step 2: Poll result (replace <id>)
curl https://api.sandbase.ai/v1/run/<id> \
  -H "Authorization: Bearer YOUR_API_KEY"

← Back to Seedance 2.0 Image to Video

API README

Seedance 2.0 Image to Video

ByteD's flagship image-to-video model — transforms still images into cinematic video with native audio, multi-shot editing, and director-level camera control.

Need text-to-video? Try Seedance 2.0 Text to Video.
Need reference-guided generation? Try Seedance 2.0 Reference to Video.
Need faster & cheaper? Try Seedance 2.0 Fast.

Highlights

Native audio generation — Automatically creates synchronized sound effects, ambient audio, and lip-synced speech. Toggle with generate_audio parameter.

Start + end frame control — Provide both a starting image and an optional end image to precisely control video transitions and motion direction.

Flexible duration — Generate 4 to 15 second clips in a single request. Use -1 for model-intelligent duration selection.

Up to 4K — 4K output with support for 6 aspect ratios including cinematic 21:9.

Pricing

Non-4K rates use Volcengine's non-promotional list price converted at 1 USD = 6.74 CNY. All 4K output rates use the confirmed reference price.

Resolution	Output price per second
480p	$0.07
720p	$0.15
1080p	$0.37
4K	$1.80

Default: 5 output seconds at 720p = $0.74. Input images do not add a video-input charge. Audio generation is included at no extra cost.

When to Use

✅ Good fit	❌ Consider alternatives
Product photo animations	Real-time video streaming
Social media content from product shots	Long-form video (>15s)
Cinematic transitions between keyframes	Pixel-perfect frame control
Marketing material with motion	Simple GIF-style loops
Story-driven clips with audio	Text-only generation (use T2V)

Input Requirements

Image provided as publicly accessible URL
Supported formats: PNG, JPEG, WebP
Recommended image size: < 5MB
Optional end image for controlled transitions

Technical Specs

Spec	Value
Input	Text prompt + image URL (+ optional end image)
Output	MP4 video with optional audio
Resolution	480p / 720p / 1080p / 4K
Aspect ratios	16:9, 9:16, 1:1, 4:3, 3:4
Duration	4–15 seconds
Execution	Async (submit → poll for result)
Typical latency	2–8 minutes

Seedance 2.0 Text to Video — Generate video from text prompts
Seedance 2.0 Reference to Video — Multi-reference guided generation
Seedance 2.0 Fast Image to Video — ~20% cheaper, lower latency