Vidu Q3 Ad Video API | WaveSpeedAI

Vidu Q3 Ad

Vidu Q3 Ad generates ad-oriented videos from one or more reference images and a text prompt. It is designed for product, character, and commercial scene generation, where uploaded references guide the subject appearance, visual style, and overall consistency of the generated video.

Why Choose This?

Ad-focused reference video generation
Use reference images to guide product, character, or scene appearance for commercial-style videos.
Multi-image reference support
Upload 1 to 7 images to provide visual references for the generated video.
Flexible video length
Generate clips from 3 to 16 seconds.
720p and 1080p output
Choose 720p for lower-cost iteration or 1080p for higher-quality ad output.
Optional synchronized audio
Generate audio together with the video when the prompt calls for ambience, speech, or sound effects.

Parameters

Parameter	Required	Description
images	Yes	Reference images for video generation. Use 1 to 7 images.
prompt	Yes	Text prompt describing the ad scene, subject action, camera movement, and style.
aspect_ratio	No	Output aspect ratio. Default: `16:9`.
resolution	No	Output resolution: `720p` or `1080p`. Default: `720p`.
duration	No	Video duration in seconds. Range: `3` to `16`. Default: `5`.
generate_audio	No	Generate synchronized audio with the video. Default: `true`.
seed	No	Random seed. Use `0` for a random seed.

How to Use

Upload reference images — Provide 1 to 7 clear images that define the product, character, or visual style.
Write the prompt — Describe the ad scene, subject action, composition, camera movement, and target mood.
Choose aspect ratio — Select the output layout for your target placement.
Choose resolution — Use 720p for lower-cost iteration or 1080p for higher-quality output.
Set duration — Choose a clip length between 3 and 16 seconds.
Configure audio optional — Keep generate_audio enabled when synchronized audio is needed.
Submit — Generate the ad video and retrieve the output URL.

Pricing

Pricing is based on selected resolution and duration.

Resolution	Price per second	5s	10s	16s
720p	$0.15	$0.75	$1.50	$2.40
1080p	$0.18	$0.90	$1.80	$2.88

Best Use Cases

Product ads — Generate short product-focused videos from reference photos.
Commercial storyboards — Prototype ad scenes before production.
Social ads — Create vertical or horizontal videos for campaign testing.
Brand visuals — Maintain subject and product consistency from reference images.
Creative iteration — Test multiple ad directions with the same references.
Character-based ads — Create commercial scenes using consistent reference characters.

Pro Tips

Use reference images that are clear, high-quality, and visually distinct.
Keep the prompt focused on ad action, camera movement, product presentation, and target mood.
Use 720p for prompt iteration before switching to 1080p.
Provide clean product or subject images for better consistency.
Use a fixed seed when you need to reproduce or compare variations.
Keep the ad concept concise and visually direct for stronger commercial output.

Q3 Ad API — Quick start

Grab a WaveSpeedAI API key, then call POST https://api.wavespeed.ai/api/v3/vidu/q3-ad with your input as JSON. The endpoint returns a prediction id; poll the prediction endpoint until status flips to completed, then read the output URL from data.outputs[0]. Examples for Q3 Ad below.

HTTP example

# Submit the prediction
curl -X POST "https://api.wavespeed.ai/api/v3/vidu/q3-ad" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $WAVESPEED_API_KEY" \
  -d '{
    "prompt": "A cinematic shot of a city at sunset, soft golden light",
    "aspect_ratio": "16:9",
    "resolution": "720p",
    "duration": 5,
    "generate_audio": true,
    "seed": 0
}'

# Response includes a prediction id. Poll for the result:
curl -X GET "https://api.wavespeed.ai/api/v3/predictions/{request_id}/result" \
  -H "Authorization: Bearer $WAVESPEED_API_KEY"

# When status is "completed", read the output from data.outputs[0].

Node.js example

// npm install wavespeed
const WaveSpeed = require('wavespeed');

const client = new WaveSpeed(); // reads WAVESPEED_API_KEY from env

const result = await client.run("vidu/q3-ad", {
        "prompt": "A cinematic shot of a city at sunset, soft golden light",
        "aspect_ratio": "16:9",
        "resolution": "720p",
        "duration": 5,
        "generate_audio": true,
        "seed": 0
});

console.log(result.outputs[0]); // → URL of the generated output

Python example

# pip install wavespeed
import wavespeed

output = wavespeed.run(
    "vidu/q3-ad",
    {
    "prompt": "A cinematic shot of a city at sunset, soft golden light",
    "aspect_ratio": "16:9",
    "resolution": "720p",
    "duration": 5,
    "generate_audio": true,
    "seed": 0
}
)

print(output["outputs"][0])  # → URL of the generated output

Q3 Ad API — Frequently asked questions

What is the Q3 Ad API?

Q3 Ad is a Vidu model for video generation from images, exposed as a REST API on WaveSpeedAI. Vidu Q3 Ad Video generates commercial ad videos from 1 to 7 reference images with prompt guidance, supporting 720P / 1080P output and synchronized audio for product ads, brand campaigns, marketing creatives, and promotional videos. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing. You can call it programmatically or try it from the playground above.

How do I call the Q3 Ad API?

POST your input parameters to the model's REST endpoint (shown in the API tab of this playground) with your WaveSpeedAI API key in the Authorization header. Submission returns a prediction ID; poll the prediction endpoint until status flips to "completed", then read the output URL from the result. The playground generates a ready-to-paste code sample in Python, JavaScript, or cURL for whatever inputs you've set. Full request/response shape is documented at https://wavespeed.ai/docs/docs-api/vidu/vidu-q3-ad.

How much does Q3 Ad cost per run?

Q3 Ad starts at $0.15 per run. That figure is the base price — the final charge scales with the parameters you set in the form (output size, length, count, references, or whatever knobs this model exposes), so a higher-quality or larger output costs more than a minimal one. The exact cost for your current input is shown live next to the Generate button before you submit, and the actual per-call charge is recorded on the prediction afterwards.

What inputs does Q3 Ad accept?

Key inputs: `prompt`, `images`, `aspect_ratio`, `resolution`, `duration`, `seed`. The full JSON schema (types, defaults, allowed values) is rendered above the Generate button and mirrored in the API reference at https://wavespeed.ai/docs/docs-api/vidu/vidu-q3-ad.

How do I get started with the Q3 Ad API?

Sign up for a free WaveSpeedAI account to claim starter credits, copy your API key from /accesskey, then call the endpoint shown in the API tab of the playground. The playground also auto-generates a code sample in Python, JavaScript, or cURL for the parameters you've set.

Can I use Q3 Ad outputs commercially?

Commercial usage rights depend on the model's license, set by its provider (Vidu). The license summary appears on the model card above; see WaveSpeedAI's Terms of Service for platform-level conditions.

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