Veo 3 Fast is the accelerated version of Google's Veo 3 AI video generator. It can produce high-quality videos with synchronized audio in under 1 minute, while reducing costs by up to 80% compared to the standard Veo 3 model.
curl-X POST 'https://pollo.ai/api/platform/v1/generation/google/veo-3-fast/video'\-H'Content-Type: application/json'\-H'x-api-key: YOUR_API_KEY'\-d'{ "input": { "prompt": "A cinematic shot of a golden retriever running through a field of sunflowers at sunset, warm rim light, shallow depth of field", "negativePrompt": "blurry, low quality, distorted, watermark, text", "aspectRatio": "16:9", "duration": 4, "resolution": "720p", "generateAudio": true }}'
Optionally include webhookUrl to receive a callback when the task succeeds or fails.
Optional request field
{"input":{"prompt":"A cinematic shot of a golden retriever running through a field of sunflowers at sunset, warm rim light, shallow depth of field","negativePrompt":"blurry, low quality, distorted, watermark, text","aspectRatio":"16:9","duration":4,"resolution":"720p","generateAudio":true},"webhookUrl":"https://example.com/webhooks/pollo"}
Schema
Input fields for the selected endpoint and mode.
Field
Type
Required
Description
prompt
string
Yes
Text prompt describing the content to generate.
negativePrompt
string
No
Text describing elements to avoid in the generated output.
aspectRatio
string
No
Output aspect ratio, as width:height (e.g. 16:9).
duration
number
No
The duration of the generated video, in seconds.
resolution
string
No
Output resolution of the generated media (e.g. 720p, 1080p, 2K, 4K). Values are case-insensitive.
seed
integer
No
Random seed for reproducible generation.
generateAudio
boolean
No
Generate natural-sounding, fitting audio for the output video.
Speed is the main reason to choose Veo 3 Fast. It keeps the Veo 3 focus on short clips, image-to-video drafts, and audio-aware scenes while making prompt checks faster.
With Veo 3 Fast on Pollo API, developers can add text-to-video and image-guided video generation to apps, internal tools, and content pipelines without managing a separate Google video integration.
Key Features of Veo 3 Fast API
Faster Veo 3 Iteration
Veo 3 Fast prioritizes turnaround for short video drafts, making it suitable for prompt testing, alternate camera directions, and preview clips before final rendering.
Text and Image Guidance
The model supports prompt-led scenes and image-to-video workflows, so existing visuals can anchor subject shape, first frame, lighting, or environment.
Synchronized Sound
Generated clips can include dialogue, ambient audio, and action-based sound effects when the scene description gives clear audio direction alongside visual motion.
Compact Scene Control
It works best with one main action, one camera idea, and a defined ending state, which keeps short clips easier to evaluate.
Practical Format Range
Veo 3 Fast supports common short-video formats, making it useful across app previews, vertical feeds, horizontal demos, and structured content tools.
Variant-Friendly Output
The fast setting helps teams compare several prompt variations for framing, timing, motion, and sound direction before choosing a final approach.
Use Cases of Veo 3 Fast API
Prompt Variant Testing: Generate several short scene directions to compare motion, camera behavior, and audio cues before using a standard render.
Audio-Aware Creator Tools: Let users produce short clips with ambience, speech direction, or sound effects without adding a separate audio generation step.
Image-Based Motion Drafts: Animate uploaded product, interface, or character visuals while preserving the source image as the visual anchor.
Training Clip Prototypes: Turn operational scripts into quick scenario drafts with visible actions, short dialogue, and environment sound.
App Preview Generation: Create short in-product demos, onboarding snippets, or feature previews from structured prompts and optional screenshots.
Localized Content Drafting: Test translated scene prompts, spoken lines, or regional setting changes before producing a final clip.
Editorial B-Roll Planning: Produce quick visual placeholders for explainers, internal presentations, or storyboards that need motion and sound together.
How to Use Veo 3 Fast API
Get an API Key: Create a Pollo API account and send your key with requests using the x-api-key header.
Choose the Model: Use the Veo 3 Fast route, such as POST /generation/google/veo3-fast.
Add Your Inputs: Provide a prompt, optionally add an image, and set practical options such as length, aspectRatio, resolution, seed, negativePrompt, or generateAudio.
Generate and Retrieve: Submit the task, store the returned task information, and retrieve the completed video through polling or a configured webhook.
Prompting Best Practices for Veo 3 Fast API
Write prompts as compact production notes. Define the subject, source image role when used, main motion, camera behavior, sound intent, and ending frame.
A Simple Prompt Formula
subject + source visual or setting + single action + camera move + audio cue + ending state + intended format
What You Should Notice
Keep the Action Narrow: One clear action usually works better than a sequence of unrelated events in a short generated clip.
State the Image Role: When using an image, say whether it defines the subject, first frame, object shape, environment, or visual style.
Link Sound to Motion: Describe sound that naturally matches the visible event, such as a scanner beep, room tone, footsteps, or short speech.
Use Speech Carefully: For dialogue, define the speaker and line plainly, and avoid making the model guess whether words should appear on screen.
Pick One Camera Idea: A simple push-in, side track, overhead view, or locked shot is easier to control than several camera changes.
Define the Last Moment: End with a visible state, such as the screen confirmed, package sealed, light turned on, or speaker paused.
Example Prompts
Warehouse Scan Exception
"Create an 8-second vertical clip in a warehouse aisle. A worker scans a small parcel, the handheld device flashes red, and the worker checks the label again. Include a scanner beep, soft conveyor noise, overhead lighting, and a locked waist-level camera."
Clinic Check-In Kiosk
"Use the uploaded kiosk screen as the starting image. A patient taps the check-in button, the interface confirms their appointment, and a small ticket prints. Add quiet lobby ambience, a short printer sound, clean daylight, and a gentle push-in."
Language Practice Scene
"Create a short cafe conversation for a language learning app. A barista places a cup on the counter and says: Your order is ready. The customer nods, background chatter stays low, and the shot ends on the cup label."
Smart Home Setup
"Generate a horizontal app demo clip. A phone screen shows a smart bulb pairing flow, the lamp on the desk changes from white to warm amber, and the app displays connected. Include a subtle confirmation chime and steady tabletop framing."
Museum Maintenance Note
"Create a short museum back-office clip. A staff member photographs a small exhibit label, updates a tablet checklist, and places a temporary marker beside the display case. Add quiet room tone, soft footsteps, and a final close shot of the checked item."
Veo 3 Fast vs Veo 3 vs Sora 2
Capability
Veo 3 Fast
Veo 3
Sora 2
Generation speed
✅ Sub-minute, ~30% faster
✅ Slower, higher fidelity
✅ Slower, multi-shot focus
Native synchronized audio
✅ Dialogue and ambient
✅ Dialogue and ambient
✅ Dialogue and effects
Text and image inputs
✅
✅
✅
Resolution options
720p and 1080p
720p and 1080p
Up to 1080p
Clip length
4, 6, or 8 seconds
4, 6, or 8 seconds
Longer multi-shot clips
Recommended For
High-volume, fast iteration
Detail-heavy final cuts
Extended narrative scenes
Why Choose Veo 3 Fast API?
Veo 3 Fast suits products that need many short voiced clips quickly, from ad variants to narrated explainers, without waiting on the slower standard Veo 3 render path.
Start on the Veo 3 Fast endpoint to ship sub-minute video with synchronized audio, then scale volume or switch to standard Veo 3 without touching your integration.
Veo 3 Fast API FAQs
What is Veo 3 Fast?
Veo 3 Fast is Google's accelerated Veo 3 mode, generating short videos with synchronized audio in under a minute, about 30% faster than standard Veo 3, from text or image inputs.
How is Veo 3 Fast different from standard Veo 3?
It trades some render time for speed, returning clips roughly 30% faster while keeping native audio and the same input options, which suits high-volume and iterative work.
Does Veo 3 Fast generate audio?
Yes. It creates fitting sound with the video, including spoken dialogue, ambient texture, and effects, and audio is on by default so clips arrive voiced.
What inputs does Veo 3 Fast API support?
It supports text-to-video from a prompt and image-to-video from a hosted image URL, so both idea-first and asset-first workflows produce a moving clip.
What resolutions and lengths are available?
Veo 3 Fast outputs 720p or 1080p in widescreen or vertical framing, with clip lengths of 4, 6, or 8 seconds selected per request.
Why run Veo 3 Fast through Pollo API?
Pollo API gives one integration for Veo 3 Fast and 300+ other models, with clean docs, task tracking, and lower-cost generation than comparable providers.
