Video

Veo 3.1 FastAPI

a speed-optimized variant of Google's flagship generative AI video model, designed to produce high-quality, 1080p video about 2x faster than the Standard model while maintaining nearly identical quality. It is ideal for rapid prototyping, social content, and lowering costs (approx. 1/5th of standard) for creatives and developers

Test in Dashboard View Docs ← All Tools

Three ways to use this tool

REST API

One POST request. Get the result back directly — as an image, video, or JSON depending on the tool.

terminal

curl -X POST https://apiai.me/api/workflow/veo-3-1-fast \
     -H "X-API-Key: YOUR_API_KEY" \
     -F "image=@input.jpg" \
     -F "aspect_ratio=16:9" \
     -F "duration=8" \
     -F "negative_prompt=VALUE" \
     -F "person_generation=allow_adult" \
     -F "PROMPT=VALUE" \
     -F "resolution=720p"
     --output result.png

Dashboard Playground

Test this tool visually before writing any code. Upload an image, set parameters, and see the result live. When it looks right, copy the auto-generated curl command and paste it into your app.

Open the dashboard → API Toolbox
Find Veo 3.1 Fast and click it
Upload your input and adjust parameters
Copy the curl command and ship

Open Dashboard →

Batch Processing

Process hundreds of images at once without writing a loop. Upload a CSV with one row per item, set your parameters, and download the results as a ZIP when they're done.

Open the dashboard → Batches
Select Veo 3.1 Fast
Add your content and start the batch
Download results ZIP when complete

Go to Batches →

Parameters

Name	Required	Description	Default / Options
`aspect_ratio`	optional	Aspect ratio of the generated video	`16:99:16`
`duration`	optional	Video duration in seconds (1080p and 4k require duration=8)	`468`
`negative_prompt`	optional	Elements or styles to exclude from the generated video	—
`person_generation`	optional	Whether to allow people in the generated video (EU/UK/CH/MENA regions and all image-to-video: allow_adult only)	`allow_adultdont_allow`
`PROMPT`	required	Text prompt for the Gemini model	—
`resolution`	optional	Video resolution (1080p and 4k require duration=8)	`720p1080p4k`