GET

/v1/schemas/fal/video/fal-ai/ltx-2.3-quality/hdr?kind=output

Accept:

kind outputactivity videohash 7589942e…extracted Jul 6, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. Source trace `a5189930a0bb0433c790c9fc49dabefc11a0108513f7700cc6b9405767cdd1a7` { "fetchedAt": 1783331098, "extractorVersion": "1", "verifiedAt": null }

Response body

4 properties · 4 required · 2 $defs

property	type	description
seed*	integer	The seed actually used for generation.
exr_frames_url*	File	ZIP archive containing one 16-bit EXR frame per output frame.
preview_video*	VideoFile	MP4 preview of the HDR result for quick inspection.
prompt*	string	The prompt used for generation (after any expansion).

Types

2 $defs

Fileobject

file_name	string	The name of the file. It will be auto-generated if not provided.	nullable
url*	string	The URL where the file can be downloaded from.
content_type	string	The mime type of the file.	nullable
file_size	integer	The size of the file in bytes.	nullable

VideoFileobject

num_frames	integer	The number of frames in the video	nullable
height	integer	The height of the video	nullable
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
url*	string	The URL where the file can be downloaded from.
width	integer	The width of the video	nullable
file_size	integer	The size of the file in bytes.	nullable
fps	number	The FPS of the video	nullable
duration	number	The duration of the video	nullable

Validate a payload

before you spend tokens

shell

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