text-to-video
Vidu Q3 Text-To-Video
Vidu Q3 Text-to-Video turns text prompts into high-quality videos with exceptional visual fidelity and diverse motion. It features multiple styles, resolutions up to 1080p, flexible duration, audio generation, and motion control.
Use one of our client libraries to get started quickly.
Vidu Q3 Text-To-Video
Vidu Q3 Text-to-Video turns text prompts into high-quality videos with exceptional visual fidelity and diverse motion. It features multiple styles, resolutions up to 1080p, flexible duration, audio generation, and motion control.. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
1. Calling the API
Submit a request
Send a POST request to start generation. The API returns immediately with a prediction ID for polling.
curl -X POST "https://api.vibedream.ai/api/v1/models/vidu-q3-t2v/generate" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $VIBEDREAM_API_KEY" \
-d '{
"prompt": "A beautiful sunset over mountains with golden light",
"style": "general",
"resolution": "540p",
"duration": 1,
"aspect_ratio": "16:9",
"movement_amplitude": "auto",
"generate_audio": false,
"bgm": false,
"seed": -1
}'2. Authentication
The API uses an API Key for authentication.
Get your API Key
Get your API key from vibedream.ai/models/api-keys.
Environment variable
export VIBEDREAM_API_KEY="your-api-key"
3. Queue & Results
Generation requests are queued and processed asynchronously. Poll the prediction endpoint until status is completed or failed.
Submit request
curl -X POST "https://api.vibedream.ai/api/v1/models/vidu-q3-t2v/generate" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $VIBEDREAM_API_KEY" \
-d '{
"prompt": "A beautiful sunset over mountains with golden light",
"style": "general",
"resolution": "540p",
"duration": 1,
"aspect_ratio": "16:9",
"movement_amplitude": "auto",
"generate_audio": false,
"bgm": false,
"seed": -1
}'Response
Returns immediately with a prediction ID. Use id to poll for results.
{
"id": "550e8400-e29b-41d4-a716-446655440000",
"status": "processing",
"statusUrl": "https://api.vibedream.ai/api/v1/predictions/550e8400-e29b-41d4-a716-446655440000",
"estimatedTime": "5-15s",
"costCents": 42,
"createdAt": "2025-01-15T12:00:00.000Z"
}Get the result
Polling
# Replace YOUR_PREDICTION_ID with the id from the submit response curl "https://api.vibedream.ai/api/v1/predictions/YOUR_PREDICTION_ID" \ -H "Authorization: Bearer $VIBEDREAM_API_KEY" # Poll every 1-2s until status is "completed" or "failed"
Completed response
outputs is string[] — an array of direct download URLs hosted on assets.vibedream.ai.
{
"id": "550e8400-e29b-41d4-a716-446655440000",
"modelId": "vidu-q3-t2v",
"modelName": "Vidu Q3 Text-To-Video",
"status": "completed",
"outputs": [
"https://assets.vibedream.ai/outputs/550e8400-e29b-41d4-a716-446655440000/1736942400000-0.mp4"
],
"error": null,
"createdAt": "2025-01-15T12:00:00.000Z",
"completedAt": "2025-01-15T12:00:30.000Z"
}Failed response
{
"id": "550e8400-e29b-41d4-a716-446655440000",
"modelId": "vidu-q3-t2v",
"modelName": "Vidu Q3 Text-To-Video",
"status": "failed",
"outputs": null,
"error": "Your request was flagged by content moderation. Please modify your prompt.",
"createdAt": "2025-01-15T12:00:00.000Z",
"completedAt": "2025-01-15T12:00:05.000Z"
}| Field | Type | Description |
|---|---|---|
| id | string | Unique prediction ID (UUID). |
| modelId | string | ID of the model used for generation. |
| modelName | string | Human-readable model name. |
| status | string | Current status. One of: processing, completed, failed. |
| outputs | string[] | null | Array of output URLs. Each URL is a direct download link to the generated file on assets.vibedream.ai. null when still processing or failed. |
| error | string | null | Error message if the generation failed. null on success. |
| createdAt | string | ISO 8601 timestamp when the request was submitted. |
| completedAt | string | null | ISO 8601 timestamp when generation finished. null while processing. |
4. Schema
Input
| Parameter | Type | Required | Default | Range | Description |
|---|---|---|---|---|---|
| prompt | string | Yes | -- | -- | Text description of the video scene and action |
| style | string | No | -- | general, anime | Choose between general realistic style or anime aesthetic. |
| resolution | string | No | -- | 540p, 720p, 1080p | Output quality for the video. |
| duration | number | No | -- | 1 – 16 (step 1) | Video length in seconds (1-16). |
| aspect_ratio | string | No | -- | 16:9, 4:3, 9:16 | Output ratio for the video. |
| movement_amplitude | string | No | -- | auto, small, medium, large | Motion intensity level. |
| generate_audio | boolean | No | -- | -- | Whether to generate synchronized audio. |
| bgm | boolean | No | -- | -- | Add background music to the output. |
| seed | number | No | -- | -1 – -- (step 1) | Random seed for reproducibility (-1 for random). |
Example request
{
"prompt": "A beautiful sunset over mountains with golden light",
"style": "general",
"resolution": "540p",
"duration": 1,
"aspect_ratio": "16:9",
"movement_amplitude": "auto",
"generate_audio": false,
"bgm": false,
"seed": -1
}Output
{
"id": "550e8400-e29b-41d4-a716-446655440000",
"modelId": "vidu-q3-t2v",
"modelName": "Vidu Q3 Text-To-Video",
"status": "completed",
"outputs": [
"https://assets.vibedream.ai/outputs/550e8400-e29b-41d4-a716-446655440000/1736942400000-0.mp4"
],
"error": null,
"createdAt": "2025-01-15T12:00:00.000Z",
"completedAt": "2025-01-15T12:00:30.000Z"
}