GET

/v1/schemas/fal/video/fal-ai/ltx-2-19b/text-to-video?kind=output

Accept:

kind outputactivity videohash 1af8ae6e…extracted Jul 6, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. Source trace `c2b1c36fb1c73f4566f395339643e1b480480a0fa3ba756a7e32ab527d79fa77` { "fetchedAt": 1783330412, "extractorVersion": "1", "verifiedAt": null }

Response body

3 properties · 3 required · 1 $defs

property	type	description
video*	VideoFile	The generated video.
prompt*	string	The prompt used for the generation.
seed*	integer	The seed used for the random number generator.

Types

1 $defs

VideoFileobject

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

Validate a payload

before you spend tokens

shell

$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/ltx-2-19b/text-to-video","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}