Seedance Fast Image-to-Video (I2V)

by StableStudio·Docs ↗Website ↗API ↗

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Seedance Fast Image-to-Video (I2V) is a paid API for AI agents from StableStudio at stablestudio.dev, paid per call via MPP or x402, $20/call, status unknown (last checked 2026-10-11).

Generates a short video from one or more reference images using the Seedance 2 Fast model, with configurable duration, resolution, aspect ratio, and generation mode.

Price / call$20

Seller volume →—

Success—

StatusUnknown

How this service works

Pay-per-generation AI image and video creation. No subscriptions ever.

Output

Returns a JSON object with a jobId, success flag, and status of 'pending', indicating the video generation job has been queued. The agent must poll or use a callback URL to retrieve the completed video.

Example use cases

Example prompt

“Animate this product photo into a 5-second 16:9 video using Seedance Fast — the prompt is 'a sleek sneaker slowly rotating on a clean white background with soft studio lighting': https://example.com/sneaker.jpg”

Technical details

Endpoint

POSThttps://stablestudio.dev/api/generate/seedance-fast/i2v?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need fast, cost-effective image-to-video generation using Seedance 2 Fast specifically, and speed is prioritized over maximum quality. Prefer over the standard Seedance I2V endpoint when you need quicker turnaround. Use when you have one or more reference images and want AI-driven video animation with flexible duration (4–15 seconds) and aspect ratio control.

Side effects

Missing required 'prompt' field returns validation error
Missing required 'urls' field returns validation error
Invalid or inaccessible image URL causes job failure
Unsupported resolution/aspect ratio combination may be rejected
Payment failure (insufficient USDC balance) prevents job creation
Providing more than 12 URLs exceeds maxItems limit
Invalid callback URL format causes schema validation error

Input

{
  "mode": "keyframe",
  "urls": [
    "https://images.unsplash.com/photo-1506905925346-21bda4d32df4?w=800"
  ],
  "prompt": "A serene forest stream flowing gently over smooth rocks with dappled sunlight filtering through the canopy, soft natural lighting and peaceful atmosphere",
  "duration": "5",
  "aspectRatio": "16:9",
  "urlMediaTypes": [
    "image"
  ],
  "outputResolution": "720p"
}

Schema · Request body

Field	Type	Description
mode	string	Use keyframe image-to-video or reference-guided generation
urls	array	Public image/video reference URLs
prompt	string	A detailed description of the video to generate
duration	string	Duration of the video in seconds
audioUrls	array	Public audio reference URLs
resolution	string	Optional exact pixel resolution override
aspectRatio	string	Aspect ratio of the output video
callBackUrl	string	Optional Kinovi callback URL for API users
urlMediaTypes	array	One media type per urls item, aligned by index. Include this for API clarity; Stable Studio also infers and persists it from URL content types before charging.
outputResolution	string	Output quality tier
upscaleResolution	string	Upscale the generated video to 4K

Output

{
  "type": "seedance-fast-i2v",
  "jobId": "cmqa9aag1000104l26fneko3f",
  "status": "pending",
  "success": true
}

Schema · Response

{
  "type": "json",
  "example": {
    "type": "seedance-fast-i2v",
    "jobId": "cmpbmzaee000j04jrzx4f43tw",
    "status": "pending",
    "pollUrl": "https://stablestudio.dev/api/jobs/cmpbmzaee000j04jrzx4f43tw",
    "success": true
  }
}

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