Videos

Create a video extension

Create an extension of a completed video.

post/videos/extensions

Request body

promptstring required

Updated text prompt that directs the extension generation.

seconds'4' | '8' | '12' required

{
  "video": {
    "id": "video_123"
  }
}

Success

idstring required

Unique identifier for the video job.

object'video' required

The object type, which is always video.

status'queued' | 'in_progress' | 'completed' | 'failed' required

progressinteger required

Approximate completion percentage for the generation task.

created_atinteger required

Unix timestamp (seconds) for when the job was created.

completed_atinteger nullable required

Unix timestamp (seconds) for when the job completed, if finished.

expires_atinteger nullable required

Unix timestamp (seconds) for when the downloadable assets expire, if set.

promptstring nullable required

The prompt that was used to generate the video.

size'720x1280' | '1280x720' | '1024x1792' | '1792x1024' required

secondsstring required

Duration of the generated clip in seconds. For extensions, this is the stitched total duration.

remixed_from_video_idstring nullable required

Identifier of the source video if this video is a remix.

Changed in 7 of the 164 revisions of this API.10

Sep 25, 2026d86203de41ae3See the full diff
- ○
  added the non-success response with the status
  response-non-success-status-added
- ○
  added the non-success response with the status
  response-non-success-status-added
- ○
  added the non-success response with the status
  response-non-success-status-added
Sep 22, 202626bd6202a0ad1See the full diff
- ○
  added the optional property // to the response with the status
  response-optional-property-added
Sep 8, 2026245c08912c1c1See the full diff
- ○
  added the non-success response with the status
  response-non-success-status-added
Sep 3, 20269430b00d75b42See the full diff
- ○
  added the optional property // to the response with the status
  response-optional-property-added
- ○
  added the optional property / to the response with the status
  response-optional-property-added
Sep 3, 20265f6acbcbb9191See the full diff
- ○
  added the non-success response with the status
  response-non-success-status-added
Aug 13, 2026596a83c32a9e1See the full diff
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  endpoint deprecated
  endpoint-deprecated
May 13, 202674cbcf73838f1See the full diff
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  endpoint added
  endpoint-added
This revision also has 40 changes that name no endpoint, such as unreferenced schemas being removed. See the revision's changelog