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POST
Extend Video
Each extension adds 4 seconds to the video duration, with a maximum of 4 extensions (creating up to 21-second videos).

Headers

Request Body

Example Request

Response

Returns a task object containing the task information.
This is the initial success response. Use the job_id to check the task status via the Get Task endpoint to retrieve the completed result with video URLs.

Authorizations

x-api-key
string
header
required

API key for authentication

Body

application/json
jobId
string<uuid>
required

ID of the original video task

videoNo
integer
required

Video number to extend (0/1/2/3)

Required range: 0 <= x <= 3
prompt
string

Text prompt to guide the extension

Required string length: 1 - 8192
callback
string<uri>

Callback URL for task completion notifications

Response

Video extend task created successfully