GET

/v1/schemas/fal/video/fal-ai/ltx-2/retake-video?kind=output

Accept:

kind outputactivity videohash 83c2f3ca…extracted Jul 6, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. Source trace `acd2564d2cd4b0978fb604478856bb15639c586f540e1fc022acc09d77e8b888` { "fetchedAt": 1783330412, "extractorVersion": "1", "verifiedAt": null }

Response body

1 properties · 1 required · 1 $defs

property	type	description	constraints
video*	VideoFile	The generated video file

Types

1 $defs

VideoFileobject

content_type	string	The mime type of the file.	nullable
file_name	string	The name of the file. It will be auto-generated if not provided.	nullable
duration	number	The duration of the video	nullable
num_frames	integer	The number of frames in the video	nullable
width	integer	The width of the video	nullable
fps	number	The FPS of the video	nullable
height	integer	The height of the video	nullable
file_size	integer	The size of the file in bytes.	nullable
url*	string	The URL where the file can be downloaded from.

Validate a payload

before you spend tokens

shell

$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/ltx-2/retake-video","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}