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POST
/
generation
/
lightricks
/
ltx-2.3
/
extend-video
LTX 2.3 Extend Video
curl --request POST \
  --url https://open.skills.video/api/v1/generation/lightricks/ltx-2.3/extend-video \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "video_url": "<string>"
}
'
{
  "id": "<string>",
  "status": "starting",
  "usage": {
    "total": 0,
    "subscription": 0,
    "permanent": 0
  }
}
Extend an existing video from the start or end with temporal continuity.

Authorizations

​
Authorization
string
header
required

API Key for API endpoints

Body

application/json
​
video_url
string<uri>
required

URL of the source video to extend.

​
n
integer
default:1

Number of results to generate (1-4)

Required range: 1 <= x <= 4
​
prompt
string

Optional description for the extended segment.

​
duration
number
default:5

Seconds to extend the video.

Required range: 1 <= x <= 20
​
mode
enum<string>
default:end

Where to extend the video.

Available options:
start,
end
​
context
number

Seconds from the source video used as extension context.

Required range: 0 <= x <= 20

Response

Generation status

​
id
string
required

Generation id.

​
status
enum<string>
required

Generation status

Available options:
starting,
processing,
succeeded,
failed,
canceled
​
usage
object
required

Credit usage breakdown for the request