About Vidu Q3 Plus
Vidu Q3 image-to-video up to 16 seconds with sound.
Call it with the model name vidu/q3-plus/image-to-video on POST /jobs/createTask, from $0.3325.
Request parameters
| Parameter | Required | Description |
|---|---|---|
bgm | No | Add background music to the clip. Separate from generate_audio, which covers the sound of the scene itself. Default: true |
duration_seconds | No | How long the clip runs. You pay per second. ≥ 1 · ≤ 16 · Default: 5 |
generate_audio | No | Adds sound made to match the picture: voices, ambience and effects. Default: true |
image_url | Yes | The picture to start from. |
movement_amplitude | No | How much the subject and camera move. auto · small · medium · large · Default: auto |
prompt | No | Describe what happens after the opening frame: the action, the camera, and the mood. |
resolution | No | Output size. Bigger sizes look sharper and cost more. 540p · 720p · 1080p · Default: 720p |
Pricing
Prices are in USD. The API uses a separate USD balance. Website credits cannot be used or transferred to it, and API funds cannot be transferred to website credits. When a task is accepted, we reserve the maximum quoted amount from your API balance. On completion, we charge for actual usage, never more than the hold, and release the remainder. If the task fails, the hold is released.
| Option | USD per second |
|---|---|
| resolution 540p | $0.0665 |
| resolution 720p | $0.1425 |
| resolution 1080p | $0.152 |
Send the same request body to POST /jobs/quote to see the estimated and maximum USD charge before running. A quote does not run the task or charge your balance.
API quick start
Call the Vidu Q3 Plus API in three steps
- Create an API key. Sign in to PopNow and create a key in the API console. Keys start with sk-popnow-. API calls use your separate USD balance.
- Send the request. POST /jobs/createTask with model vidu/q3-plus/image-to-video and an input object that follows the parameter table. The response returns a task ID straight away.
- Get the result. Poll GET /jobs/recordInfo with the task ID, or pass a callBackUrl and we post the result to it. Download the output links when the task succeeds.
# 1. Create the task. Keep the Idempotency-Key if you retry after a network error.
export IDEMPOTENCY_KEY="$(uuidgen)"
curl -X POST https://api.popnow.ai/api/v1/jobs/createTask \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: $IDEMPOTENCY_KEY" \
-d '{
"model": "vidu/q3-plus/image-to-video",
"input": {
"image_url": "https://media.popnow.ai/influencer/examples/marco.webp",
"duration_seconds": 5,
"resolution": "720p",
"movement_amplitude": "auto"
}
}'
# 2. Copy data.taskId from the response, then poll until state is succeeded, failed, canceled or expired.
TASK_ID="TASK_ID_FROM_RESPONSE"
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=$TASK_ID" \
-H "Authorization: Bearer $POPNOW_API_KEY"Replace the prompt and any links with your own. The API tab has the response, polling and callback reference.
Vidu Q3 Plus API questions
How much does the Vidu Q3 Plus API cost?
Vidu Q3 Plus starts at $0.3325 for a 5-second clip with Image to Video, its cheapest task. Prices by option: 540p $0.0665 per second, 720p $0.1425 per second, 1080p $0.152 per second. The API uses a separate USD balance. Website credits cannot be used or transferred to it, and API funds cannot be transferred to website credits. When a task is accepted, we reserve the maximum quoted amount from your API balance. On completion, we charge for actual usage, never more than the hold, and release the remainder. If the task fails, the hold is released.
What is the model name for Vidu Q3 Plus in the API?
Put vidu/q3-plus/image-to-video for Image to Video; vidu/q3-plus/video-extend for Extend Video in the model field of POST /jobs/createTask.
What are the limits of the Vidu Q3 Plus API?
Clip length: 1–16 s; Resolutions: 540p · 720p · 1080p. Requests outside these limits are rejected before anything is charged.
More about Vidu Q3 Plus
- Endpoints
- Vidu Q3 Plus · Extend Video