GET
/v1/schemas/fal/video/fal-ai/ltx-2.3/extend-video
Accept:
| field | recorded source |
|---|---|
| schema | Source linked above. upstream-spec Source traced677d86a3a74d745e5b4e0a06bdcb210ed3d126fd1fd8c4c03de12b126b04b71{
"fetchedAt": 1791522002,
"extractorVersion": "1",
"verifiedAt": null
} |
Request body
6 properties · 1 required · 0 $defs| property | type | description | constraints |
|---|---|---|---|
| video_url* | string | The URL of the video to extend | |
| enable_safety_checker | boolean | Authorized callers may set false to request relaxed screening. | default: true |
| mode | enum | Where to extend the video: 'end' extends at the end, 'start' extends at the beginning. | start | end · default: "end" |
| duration | number | Duration in seconds to extend the video. Minimum 2 seconds, maximum 20 seconds. | 2 ≤ n ≤ 20 · default: 5 |
| context | number | Number of seconds from the input video to use as context for the extension (minimum 1 second, maximum 20 seconds). If not provided, defaults to maximize available context within the 505 frame limit. | 1 ≤ n ≤ 20 · nullable |
| prompt | string | Description of what should happen in the extended portion of the video. | length ≤ 5000 · nullable |
Validate a payload
before you spend tokensshell
$ curl -X POST https://modelschemas.com/v1/validate \
-d '{"provider":"fal","endpointId":"fal-ai/ltx-2.3/extend-video","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}