Kling V3 Pro 静音 API for Silent AI Video Generation

What is Kling V3 Pro 静音?

Kling V3 Pro 静音 is a Pro-tier silent video generation model for creating short AI videos without audio. On UniAll AI, the public model id is `kling-v3-pro-silent`.

It is designed for teams that need controllable video outputs for ads, product shots, social media clips, storyboard previews, ecommerce visuals, and automated creative workflows.

Core capabilities

`kling-v3-pro-silent` supports three generation modes:

**Text to video**: generate a video from a written prompt.
**Image to video**: animate a reference image with a prompt.
**First/last frame video**: guide motion between a starting frame and an ending frame.

The model runs asynchronously through the UniAll AI video generation endpoint and returns one video per generation.

Supported parameters

Common request fields include:

`model`: `kling-v3-pro-silent`
`generation_mode`: `text_to_video`, `image_to_video`, or `first_last_frame`
`prompt`: required for all modes
`image_url`: required for image-to-video mode
`first_image_url` and `last_image_url`: required for first/last-frame mode
`duration`: 3 to 15 seconds
`aspect_ratio`: `16:9`, `9:16`, or `1:1`
`resolution`: `standard`, `pro`, or `4k`
`video_count`: fixed at `1`

Accepted image inputs include PNG, JPEG, and WebP URLs.

API usage example

```bash curl -X POST "https://api.uniall.ai/v1/videos/generations" \ -H "Authorization: Bearer YOUR_UNIALL_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "kling-v3-pro-silent", "generation_mode": "image_to_video", "prompt": "A cinematic product reveal, soft studio lighting, smooth camera movement.", "image_url": "https://example.com/reference.png", "duration": 5, "aspect_ratio": "16:9", "resolution": "pro", "video_count": 1 }' ```

Because video generation is async, production systems should create a task, poll or receive task status, and handle completion or failure states. UniAll AI supports refund-on-failure behavior for this model; automatic retry is not enabled by default.

Pricing angle

Kling V3 Pro 静音 is billed per generated second. The listed UniAll AI user price for the Pro silent variant is **$0.07616 per second**, shown as approximately **¥0.55 / second**. Final cost depends mainly on duration and selected resolution tier.

Example: a 5-second Pro silent generation is estimated from the per-second rate, before any account-level discounts, promotions, or partner pricing.

Resolution-related variants are available across standard, pro, and 4K tiers, including silent and audio variants. This page focuses on the silent Pro model: `kling-v3-pro-silent`.

Who should use it?

Kling V3 Pro 静音 is a good fit for:

Developers building AI video generation products
Marketing teams producing short ad concepts
Ecommerce teams creating product display clips
Agencies automating social video workflows
Platforms that need text-to-video, image-to-video, or first/last-frame generation through an API

Choose the silent version when you plan to add music, voiceover, captions, or sound design later in your own editing pipeline.

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常见问题

What can Kling V3 Pro 静音 do?

Kling V3 Pro 静音 can generate silent AI videos from text prompts, reference images, or a pair of first and last frames. It is useful for short video assets, product visuals, ad concepts, and storyboard-style generation.

How do I call the Kling V3 Pro 静音 API?

Use the UniAll AI async video endpoint `/v1/videos/generations` with `model` set to `kling-v3-pro-silent`. Add `generation_mode`, `prompt`, duration, aspect ratio, resolution, and the required image fields depending on the selected mode.

How is Kling V3 Pro 静音 priced?

It is billed per generated second. The listed UniAll AI user price for the Pro silent variant is $0.07616 per second, approximately ¥0.55 per second. Total cost depends on video duration and selected resolution.