Extend Video

POST

/v1/video/extend

• Extend generation from an existing video task
• Required: model, prompt, task_id, start_time

Authorizations

bearer

Type

HTTP (bearer)

Request Body

application/json

object

Model name, e.g. grok-video-3

Prompt

Task ID of the video to extend

Optional: 2:3, 3:2, 1:1 — match target extension size

720P or 1080P

Start time

Responses

Success

Content-Type

application/json

POST

/v1/video/extend

Playground

Authorization

bearer

Body

Samples