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Veo 3.1 Fast thumbnail

Google/Veo 3.1 Fast

veo-3.1-fast
Veo 3.1 FastLLMs.txt
Endpoint:
Generate stunning 8-second videos at 720p or 1080p with native audio, 24fps, and multi-modal inputs via text, image, or video in a fast, efficient pipeline ideal for cinematic AI video production.
API PlaygroundAPI Documentation

API Endpoint URL

Base URL for all API requests to this endpoint.

https://modelslab.com/api/v7/video-fusion/text-to-video

API Authentication

Authentication requires a valid API key included in the request. Generate and manage your API keys from your developer dashboard. Include the key in the key parameter for all API requests.

Integration Examples

Production-ready code samples for API integration

{
"prompt": "Close-up, cinematic TV commercial shot. A woman in her 30s takes her first sip of coffee on a small balcony overlooking a quiet city street at dawn. She’s wrapped in a cozy, oversized sweater; morning light softly brushes her face, highlighting delicate steam rising from the mug. The cold air is visible in gentle wisps, curling past her cheek. Her shoulders relax as warmth spreads through her, eyes closing briefly in a subtle, authentic moment of comfort. The scene captures intimacy and realism, with soft focus on her expression, shallow depth of field on the background city street, warm color tones, and soft ambient morning sounds or gentle background music.",
"aspect_ratio": "16:9",
"model_id": "veo-3.1-fast",
"duration": "8",
"generate_audio": true,
"negative_prompt": null,
"enhance_prompt": true,
"key": "YOUR_API_KEY"
}

SDKs

Official SDKs

Production-ready SDKs and client libraries for all major programming languages

API Parameters

Technical specifications for API request parameters.

Field NameParameterTechnical Description
Prompt promptText description of the image you want to generate
Aspect Ratioaspect_ratioThe aspect ratio of the generated video — 16:9 is wide, 9:16 for Vertical video generation
Modelmodel_idmodel_id is required for selecting the right model for API
DuratiomdurationVeo 3 models: 4, 6, or 8. The default is 8.
Generate Audiogenerate_audioDetermines whether audio should be generated for the video. Default is true.
Negative Promptnegative_promptA negative prompt that specifies what should be avoided during video generation.
Enhance Promptenhance_promptEngance your given prompt. Default true