Create Overlay From Video

Create an overlay clip from an existing project video (copies URL + duration).

post/api/projects/{project_id}/overlay-clips/from-video/{video_id}

Path parameters

project_idstring required

video_idstring required

sourceVideoIdstring nullable

Source Video ID (provides video_url/name/prompt/etc.)

videoIdstring nullable

Parent video ID (overlay is positioned relative to this video)

startMsinteger

Start position relative to parent video (ms)

durationMsinteger required

Visible duration on timeline (ms)

sourceDurationMsinteger

Original video duration (ms)

opacitynumber nullable

Overlay opacity (0.0-1.0)

zIndexinteger nullable

Stacking order among overlays (higher = on top)

Successful Response

object required

No recorded changes to this endpoint across all 3 revisions of this API.