GET

/v1/schemas/fal/video/fal-ai/veo3.1/fast/extend-video?kind=output

kind outputactivity videohash 29307f24…extracted Jul 6, 2026version currentsource upstream spec ↗
fieldrecorded source
schemaSource linked above.
Source trace
def454b93789b6b6e5e2e8964a8e243f21d4bbb7410f845eb3dd54929a8f64a5
{
  "fetchedAt": 1783329487,
  "extractorVersion": "1",
  "verifiedAt": null
}

Response body

1 properties · 1 required · 1 $defs
propertytypedescriptionconstraints
video*FileThe extended video.

Types

1 $defs

Fileobject

file_sizeintegerThe size of the file in bytes.nullable
content_typestringThe mime type of the file.nullable
url*stringThe URL where the file can be downloaded from.
file_namestringThe name of the file. It will be auto-generated if not provided.nullable

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/veo3.1/fast/extend-video","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}