Model API

Kling O3 4K

Kling's Native 4K is a video generation model that directly outputs professional-grade 4K video in one step, eliminating the need for post-production upscaling

Model id

Use this in every request

kling-video/o3/4k/image-to-video

This model has other modes with their own ids: kling-video/o3/4k/text-to-video, kling-video/o3/4k/reference-to-video, kling-video/o3/4k/video-to-video/edit, kling-video/o3/4k/video-to-video/reference.

Run it

Quote the input, start the generation with the quote, then poll the job. Set RAYWAKE_API_KEY first; see Authentication.

# 1. Price the exact input (quotes are valid for up to 10 minutes)
curl -s https://api.raywake.com/v1/quotes \
  -H "Authorization: Bearer $RAYWAKE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "kling-video/o3/4k/image-to-video",
  "input": {
    "prompt": "A red ceramic cup on a wooden table, soft morning light",
    "image_url": "https://example.com/input.png"
  }
}'

# 2. Start the generation with the quote_id from step 1
curl -s https://api.raywake.com/v1/generate \
  -H "Authorization: Bearer $RAYWAKE_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{"model": "kling-video/o3/4k/image-to-video", "quote_id": "QUOTE_ID", "input": {"prompt":"A red ceramic cup on a wooden table, soft morning light","image_url":"https://example.com/input.png"}}'

# 3. Poll until the status is terminal
curl -s https://api.raywake.com/v1/jobs/JOB_ID \
  -H "Authorization: Bearer $RAYWAKE_API_KEY"

Input

Input fields for kling-video/o3/4k/image-to-video
Name	Type	Description
`prompt`	string	Text prompt for video generation. Either prompt or multi_prompt must be provided, but not both.
`image_url`required	string (image URL)	URL of the start frame image.
`end_image_url`	string (image URL)	URL of the end frame image (optional).
`duration`	string (enum)	Video duration in seconds (3-15s). Default: `5` One of: `3`, `4`, `5`, `6`, `7`, `8`, `9`, `10`, `11`, `12`, `13`, `14`, `15`
`generate_audio`	boolean	Whether to generate native audio for the video. Default: `false`
`multi_prompt`	array of objects	List of prompts for multi-shot video generation.
`shot_type`	string (enum)	The type of multi-shot video generation. 'intelligent' lets the model automatically determine shot structure. Default: `customize` One of: `customize`, `intelligent`

Output

A succeeded job lists its results under outputs, stored on our side. See Jobs for every field.

Job excerpt

"outputs": [
  { "type": "video", "url": "https://…", "mime_type": "video/mp4", "thumbnail_url": "https://…" }
]

Pricing

per second$0.6656/ second

The exact charge for your input comes from a quote. How charges settle