Kling O3 Standard (reference-to-video) · Video to video

← Kling Model name: kling-video/o3/standard/video-to-video/reference
Generation type: video_to_video
Endpoint: POST /api/asset_generator/

Pricing

Duration	Credits
3s	4.0
4s	5.5
5s	6.5
6s	8.0
7s	9.0
8s	10.5
9s	11.5
10s	13.0

Prices are per output. When a request asks for several outputs, the charge is this price times the number of outputs.

Quick start

The example uses sample media from our CDN. Swap in publicly accessible URLs for your own files.

curl --request POST \
  --url https://api.creatify.ai/api/asset_generator/ \
  --header 'Content-Type: application/json' \
  --header 'X-API-ID: your-api-id' \
  --header 'X-API-KEY: your-api-key' \
  --data '{
    "model_name": "kling-video/o3/standard/video-to-video/reference",
    "input_params": {
      "prompt": "The woman from the reference image talks to the camera in a bright café, with the gestures of the reference video.",
      "video_url": "https://d35ghwdno3nak3.cloudfront.net/tutorial/asset-generator/sample-video.mp4",
      "image_urls": [
        "https://d35ghwdno3nak3.cloudfront.net/tutorial/avatar-aurora/recommendation-4.jpg"
      ]
    }
  }'

import requests

response = requests.post(
    "https://api.creatify.ai/api/asset_generator/",
    headers={"X-API-ID": "your-api-id", "X-API-KEY": "your-api-key"},
    json={
        "model_name": "kling-video/o3/standard/video-to-video/reference",
        "input_params": {
            "prompt": "The woman from the reference image talks to the camera in a bright café, with the gestures of the reference video.",
            "video_url": "https://d35ghwdno3nak3.cloudfront.net/tutorial/asset-generator/sample-video.mp4",
            "image_urls": [
                "https://d35ghwdno3nak3.cloudfront.net/tutorial/avatar-aurora/recommendation-4.jpg"
            ]
        },
    },
)
print(response.json()["id"])

Input parameters

Send these fields in input_params.

string

required

Take @Element1, @Element2 to reference elements and @Image1, @Image2 to reference images in order.Maximum characters: 2500.

string

required

Reference video URL. Only .mp4/.mov formats supported, 3-10 seconds duration, 720-2160px resolution, aspect ratio between 1:2 and 2:1, max 200MB.

string

default:"5"

Video duration in seconds (3-10s).Allowed values: "3", "4", "5", "6", "7", "8", "9", "10".

array

Elements (characters/objects) to include in the video. Reference in prompt as @Element1, @Element2, etc. Maximum 7 total (elements + reference images + start image).

string[]

Additional reference images for style/appearance. Reference in prompt as @Image1, @Image2, etc. Maximum 7 total (elements + reference images + start image).Maximum items: 4.

boolean

default:false

Whether to keep the original audio from the video.

string

default:"auto"

The aspect ratio of the generated video frame.Allowed values: "auto", "16:9", "9:16", "1:1".

Complete JSON schema

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "prompt",
    "video_url"
  ],
  "properties": {
    "prompt": {
      "type": "string",
      "title": "Prompt",
      "maxLength": 2500,
      "description": "Take @Element1, @Element2 to reference elements and @Image1, @Image2 to reference images in order.",
      "x-ui-tooltips": "Take @Element1, @Element2 to reference elements and @Image1, @Image2 to reference images in order.",
      "x-support-types": [
        "mentions"
      ]
    },
    "duration": {
      "enum": [
        "3",
        "4",
        "5",
        "6",
        "7",
        "8",
        "9",
        "10"
      ],
      "type": "string",
      "title": "Duration",
      "default": "5",
      "description": "Video duration in seconds (3-10s)."
    },
    "elements": {
      "type": "array",
      "title": "Elements",
      "description": "Elements (characters/objects) to include in the video. Reference in prompt as @Element1, @Element2, etc. Maximum 7 total (elements + reference images + start image).",
      "x-advance-settings": true,
      "x-mention-prefix": "element",
      "x-is-hidden": true,
      "min_width": 300,
      "min_height": 300,
      "max_file_size": 10485760,
      "min_aspect_ratio": 0.4,
      "max_aspect_ratio": 2.5
    },
    "video_url": {
      "type": "string",
      "title": "Video Url",
      "max_width": 2160,
      "min_width": 720,
      "max_height": 2160,
      "max_length": 10,
      "min_height": 720,
      "min_length": 3,
      "description": "Reference video URL. Only .mp4/.mov formats supported, 3-10 seconds duration, 720-2160px resolution, aspect ratio between 1:2 and 2:1, max 200MB.",
      "max_duration": 9.99,
      "min_duration": 3,
      "max_file_size": 209715200,
      "max_aspect_ratio": 2.0,
      "min_aspect_ratio": 0.5
    },
    "image_urls": {
      "type": "array",
      "items": {
        "type": "string",
        "limit_description": "Max file size: 10.0MB, Min width: 300px, Min height: 300px, Min aspect ratio: 0.40, Max aspect ratio: 2.50, Timeout: 20.0s"
      },
      "title": "Image Urls",
      "timeout": 20,
      "maxItems": 4,
      "min_width": 300,
      "min_height": 300,
      "description": "Additional reference images for style/appearance. Reference in prompt as @Image1, @Image2, etc. Maximum 7 total (elements + reference images + start image).",
      "max_file_size": 10485760,
      "max_aspect_ratio": 2.5,
      "min_aspect_ratio": 0.4
    },
    "keep_audio": {
      "type": "boolean",
      "title": "Keep Audio",
      "default": false,
      "description": "Whether to keep the original audio from the video.",
      "x-advance-settings": true
    },
    "aspect_ratio": {
      "enum": [
        "auto",
        "16:9",
        "9:16",
        "1:1"
      ],
      "type": "string",
      "title": "Aspect Ratio",
      "default": "auto",
      "description": "The aspect ratio of the generated video frame."
    }
  }
}

Response

The request returns the task with status: "initializing". Poll GET /api/asset_generator/{id}/ until status is done or failed, or pass a webhook_url to be notified. A finished task lists its files in assets and the credits it charged in credits_used.

Get Started

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Kling O3 Standard (reference-to-video) · Video to video

Pricing

Quick start

Input parameters

Response

​Pricing

​Quick start

​Input parameters

​Response

Pricing

Quick start

Input parameters

Response