Genjutsu Object Swap - Ekly API

Swap an object in a clip you already have for the one in your reference images — a product, a prop, a garment — while the rest of the shot stays as filmed. Billed per second of the video you attach.


Model id	`genjutsu-object-swap`
Media	video
Submit to	`POST /v1/videos`
Price	37.46 credits per_second before discounts
Typical time	about 240.0 s

Request

Required: prompt, reference_images, source_video
Optional: quality

{
  "model": "genjutsu-object-swap",
  "prompt": "Replace the bottle on the table with the one in the reference image",
  "quality": "720p",
  "reference_images": [
    "asset_…"
  ],
  "source_video": "asset_…"
}

Field	Allowed	Default
`quality`	`720p`, `480p`	`"720p"`
`reference_images`	asset ids (up to 8)
`source_video`	asset id (up to 1)

Reference inputs take asset ids from POST /v1/uploads or an earlier output’s asset_id. Prices and allowed values come from the live catalog; GET /v1/models/genjutsu-object-swap is always current.