GET

/v1/schemas/fal/video/fal-ai/ltx-2.3/retake-video

Accept:

kind inputactivity videohash b23e5609…extracted Oct 9, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. upstream-spec Source trace `24d8b5f2914a1654204f6babd3a2b4fa80ea88921bd1716bfb2a6a30f2fdabb9` { "fetchedAt": 1791522002, "extractorVersion": "1", "verifiedAt": null }

Request body

6 properties · 2 required · 0 $defs

property	type	description	constraints
video_url*	string	The URL of the video to retake
prompt*	string	The prompt to retake the video with	length ≥ 1 · length ≤ 5000
retake_mode	enum	The retake mode to use for the retake	replace_audio \| replace_video \| replace_audio_and_video · default: "replace_audio_and_video"
start_time	number	The start time of the video to retake in seconds	0 ≤ n ≤ 20 · default: 0
duration	number	The duration of the video to retake in seconds	2 ≤ n ≤ 20 · default: 5
enable_safety_checker	boolean	Authorized callers may set false to request relaxed screening.	default: true

Validate a payload

before you spend tokens

shell

$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/ltx-2.3/retake-video","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}