# Kling O3 Edit Video [Pro] > Edit videos using Kling O3 from Kling Team! ## Overview - **Endpoint**: `https://fal.run/fal-ai/kling-video/o3/pro/video-to-video/edit` - **Model ID**: `fal-ai/kling-video/o3/pro/video-to-video/edit` - **Category**: video-to-video - **Kind**: inference **Tags**: video-to-video ## Pricing For every second of video you generated you will be charged **$0.336** For example, a 5s video will cost **$1.68**. For more details, see [fal.ai pricing](https://fal.ai/pricing). ## API Information This model can be used via our HTTP API or more conveniently via our client libraries. See the input and output schema below, as well as the usage examples. ### Input Schema The API accepts the following input parameters: - **`prompt`** (`string`, _required_): Text prompt for video generation. Reference video as @Video1. - Examples: "Change environment to be fully snow as @Image1. Replace animal with @Element1" - **`video_url`** (`string`, _required_): Reference video URL. Only .mp4/.mov formats, 3-10s duration, 720-2160px resolution, max 200MB. - Examples: "https://storage.googleapis.com/falserverless/example_inputs/kling-o3/pro-v2v-edit/video_reference.mp4" - **`image_urls`** (`list`, _optional_): Reference images for style/appearance. Reference in prompt as @Image1, @Image2, etc. Maximum 4 total (elements + reference images) when using video. - Array of string - Examples: ["https://storage.googleapis.com/falserverless/example_inputs/kling-o3/pro-v2v-edit/image_url1.jpg"] - **`keep_audio`** (`boolean`, _optional_): Whether to keep the original audio from the reference video. Default value: `true` - Default: `true` - **`elements`** (`list`, _optional_): Elements (characters/objects) to include. Reference in prompt as @Element1, @Element2. - Array of KlingV3ImageElementInput - Examples: [{"reference_image_urls":["https://storage.googleapis.com/falserverless/example_inputs/kling-o3/pro-v2v-edit/element1_reference1.png"],"frontal_image_url":"https://storage.googleapis.com/falserverless/example_inputs/kling-o3/pro-v2v-edit/element1_front.png"}] - **`shot_type`** (`string`, _optional_): The type of multi-shot video generation. Default value: `"customize"` - Default: `"customize"` **Required Parameters Example**: ```json { "prompt": "Change environment to be fully snow as @Image1. Replace animal with @Element1", "video_url": "https://storage.googleapis.com/falserverless/example_inputs/kling-o3/pro-v2v-edit/video_reference.mp4" } ``` **Full Example**: ```json { "prompt": "Change environment to be fully snow as @Image1. Replace animal with @Element1", "video_url": "https://storage.googleapis.com/falserverless/example_inputs/kling-o3/pro-v2v-edit/video_reference.mp4", "image_urls": [ "https://storage.googleapis.com/falserverless/example_inputs/kling-o3/pro-v2v-edit/image_url1.jpg" ], "keep_audio": true, "elements": [ { "reference_image_urls": [ "https://storage.googleapis.com/falserverless/example_inputs/kling-o3/pro-v2v-edit/element1_reference1.png" ], "frontal_image_url": "https://storage.googleapis.com/falserverless/example_inputs/kling-o3/pro-v2v-edit/element1_front.png" } ], "shot_type": "customize" } ``` ### Output Schema The API returns the following output format: - **`video`** (`File`, _required_): The generated video. - Examples: {"file_size":4322769,"file_name":"output.mp4","content_type":"video/mp4","url":"https://storage.googleapis.com/falserverless/example_outputs/kling-o3/pro-v2v-edit/output.mp4"} **Example Response**: ```json { "video": { "file_size": 4322769, "file_name": "output.mp4", "content_type": "video/mp4", "url": "https://storage.googleapis.com/falserverless/example_outputs/kling-o3/pro-v2v-edit/output.mp4" } } ``` ## Usage Examples ### cURL ```bash curl --request POST \ --url https://fal.run/fal-ai/kling-video/o3/pro/video-to-video/edit \ --header "Authorization: Key $FAL_KEY" \ --header "Content-Type: application/json" \ --data '{ "prompt": "Change environment to be fully snow as @Image1. Replace animal with @Element1", "video_url": "https://storage.googleapis.com/falserverless/example_inputs/kling-o3/pro-v2v-edit/video_reference.mp4" }' ``` ### Python Ensure you have the Python client installed: ```bash pip install fal-client ``` Then use the API client to make requests: ```python import fal_client def on_queue_update(update): if isinstance(update, fal_client.InProgress): for log in update.logs: print(log["message"]) result = fal_client.subscribe( "fal-ai/kling-video/o3/pro/video-to-video/edit", arguments={ "prompt": "Change environment to be fully snow as @Image1. Replace animal with @Element1", "video_url": "https://storage.googleapis.com/falserverless/example_inputs/kling-o3/pro-v2v-edit/video_reference.mp4" }, with_logs=True, on_queue_update=on_queue_update, ) print(result) ``` ### JavaScript Ensure you have the JavaScript client installed: ```bash npm install --save @fal-ai/client ``` Then use the API client to make requests: ```javascript import { fal } from "@fal-ai/client"; const result = await fal.subscribe("fal-ai/kling-video/o3/pro/video-to-video/edit", { input: { prompt: "Change environment to be fully snow as @Image1. Replace animal with @Element1", video_url: "https://storage.googleapis.com/falserverless/example_inputs/kling-o3/pro-v2v-edit/video_reference.mp4" }, logs: true, onQueueUpdate: (update) => { if (update.status === "IN_PROGRESS") { update.logs.map((log) => log.message).forEach(console.log); } }, }); console.log(result.data); console.log(result.requestId); ``` ## Additional Resources ### Documentation - [Model Playground](https://fal.ai/models/fal-ai/kling-video/o3/pro/video-to-video/edit) - [API Documentation](https://fal.ai/models/fal-ai/kling-video/o3/pro/video-to-video/edit/api) - [OpenAPI Schema](https://fal.ai/api/openapi/queue/openapi.json?endpoint_id=fal-ai/kling-video/o3/pro/video-to-video/edit) ### fal.ai Platform - [Platform Documentation](https://docs.fal.ai) - [Python Client](https://docs.fal.ai/clients/python) - [JavaScript Client](https://docs.fal.ai/clients/javascript)