StableStudio Veo 3.1 Fast Video Generation

by StableStudio·Docs ↗Website ↗API ↗

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StableStudio Veo 3.1 Fast Video Generation is a paid API for AI agents from StableStudio at stablestudio.dev, paid per call via MPP or x402, $10/call, status unknown (last checked 2026-10-10, last successful call 2026-04-29).

Generates a short AI video (4–8 seconds) from a text prompt using Google's Veo 3.1 Fast model, optionally using image frames for image-to-video or interpolation

Price / call$10

Seller volume →—

Success3%

StatusUnknown

How this service works

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

Output

Returns a JSON object with success=true, a jobId string, a status of 'pending', and a type string ('veo-3.1-fast-video'). The job is asynchronous — the agent must poll or check the job status using the jobId to retrieve the final video URL once rendering is complete.

Example use cases

Animate a product image into video

“Take this product image I have at https://mystore.com/sneaker.jpg and animate it into a short 4-second 9:16 vertical video — something dynamic like the sneaker rotating with light flashing around it, using the fast Veo model so I can preview it quickly.”

Text-to-video nature scene clip

“Generate me a 6-second landscape video of a peaceful misty forest at sunrise with soft golden light filtering through the trees — 1080p 16:9, use the Veo 3.1 Fast model, just from a text description.”

Interpolate between two keyframes

“I have a starting frame at https://assets.example.com/frame-start.png and an ending frame at https://assets.example.com/frame-end.png — can you use Veo 3.1 Fast to interpolate between them and generate a smooth 8-second 720p video transition?”

Technical details

Endpoint

POSThttps://stablestudio.dev/api/generate/veo-3.1-fast/generate?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need fast AI video generation using Google's Veo 3.1 Fast model and can tolerate slightly lower quality in exchange for speed, or when cost efficiency matters. Prefer this over the standard Veo 3.1 endpoint when generation speed is the priority. Use it for text-to-video, first-frame image-to-video, or frame interpolation workflows. Best suited for short clips (4–8 seconds) in 720p or 1080p at 16:9 or 9:16 aspect ratios.

Side effects

Invalid or inaccessible image URL — returns error if first/last frame or reference image URLs cannot be fetched
Missing required 'prompt' field — returns validation error
Unsupported enum value for resolution, aspectRatio, durationSeconds, or imageMode — returns schema validation error
Payment failure — endpoint requires $10 USDC per call; insufficient funds or unpaid requests are rejected
Interpolation mode requested without both image and lastFrame provided — may return an error or produce unexpected results
Service overload or model unavailability — may return 5xx error

Input

{
  "prompt": "A serene mountain landscape with a crystal-clear lake reflecting snow-capped peaks, golden hour sunlight, and wildflowers in the meadow",
  "imageMode": "none",
  "resolution": "720p",
  "aspectRatio": "16:9",
  "durationSeconds": "4"
}

Schema · Request body

Field	Type	Description
image	string	First frame image URL for image-to-video generation
prompt	string	A detailed description of the video you want to generate
imageMode	string	How to use reference images
lastFrame	string	Last frame image URL for interpolation mode
resolution	string	Video resolution quality
aspectRatio	string	Aspect ratio (landscape or portrait)
durationSeconds	string	Duration of the video in seconds
referenceImages	array	Reference images for style guidance (max 3)

Output

{
  "type": "veo-3.1-fast-video",
  "jobId": "cmq4opdad000504jv3kt89zku",
  "status": "pending",
  "success": true
}

Schema · Response

{
  "type": "json",
  "example": {
    "type": "veo-3.1-fast-video",
    "jobId": "cmpbmzaee000j04jrzx4f43tw",
    "status": "pending",
    "pollUrl": "https://stablestudio.dev/api/jobs/cmpbmzaee000j04jrzx4f43tw",
    "success": true
  }
}

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