Kling O1 Pro — Reference to Video

Generate videos with the Kling O1 Pro model using reference to video.

POST /v1/jobs/submit

Kling O1 Pro — Reference to Video

cURL

curl --request POST \
  --url https://api.muvi.video/v1/jobs/submit \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "<string>",
  "input": {
    "prompt": "<string>",
    "video_url": "<string>",
    "images": [
      {}
    ],
    "aspect_ratio": "<string>",
    "duration": "<string>",
    "keep_original_sound": true
  }
}
'

200

{
  "jobId": "<string>",
  "status": "<string>",
  "estimatedCompletionTime": "<string>",
  "costMicroCents": 123
}

Generate a video conditioned on reference images and/or a reference video using the Kling O1 Pro model.

Property	Value
Provider	Kling Plus
Model	Kling O1 Pro
Capability	Reference to Video
Base Cost	70,000 micro-cents/second ($0.070/sec)
Processing Time	~240 seconds

Request Body

model · string · required

Model slug. Use kling-plus/kling-o1-pro/reference-to-video for reference to video generation.

input · object · required

Input parameters for reference to video generation.

Hide properties

prompt · string · required

Text prompt describing the desired output (max 2500 characters).

video_url · string

Reference video URL.

images · array

Reference images (≤4 with video, ≤7 without).

aspect_ratio · string

Video aspect ratio. Default: 16:9. Options: 16:9, 9:16, 1:1.

duration · string

Video duration in seconds. Default: 5. Options: 3, 4, 5, 6, 7, 8, 9, 10.

keep_original_sound · boolean

Keep the audio track from the source video. Default: true.

webhookUrl · string

HTTPS URL to receive a webhook notification when the job completes or fails.

Pricing

Base cost: 70,000 micro-cents per second ($0.070/sec)

finalCost = baseCost × duration

Factor	Option	Multiplier
Duration	3	3x
	4	4x
	5	5x
	6	6x
	7	7x
	8	8x
	9	9x
	10	10x

Default cost: 5 seconds = 70,000 × 5 = 350,000 micro-cents ($0.350)

Response

jobId · string

Unique identifier for the submitted job.

status · string

Initial job status. Always "pending" on successful submission.

estimatedCompletionTime · string

ISO 8601 timestamp of the estimated completion time.

costMicroCents · number

The cost of the job in micro-cents.

Code Examples

cURL

curl -X POST https://api.muvi.video/v1/jobs/submit \
  -H "Authorization: Bearer $PIXELBYTE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "kling-plus/kling-o1-pro/reference-to-video",
    "input": {
      "prompt": "Recreate the reference scene with warmer lighting and a slow dolly-in",
      "video_url": "https://example.com/video.mp4",
      "aspect_ratio": "16:9",
      "duration": "5"
    }
  }'