GET

/v1/schemas/fal/video/fal-ai/sam-3/video-rle?kind=output

Accept:

kind outputactivity videohash 922848c9…extracted Oct 23, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. upstream-spec Source trace `0fa27471b53f57cb3d64a2dd8cb9f389c82502972553e3ca34c33dcc84df61c9` { "fetchedAt": 1792731610, "extractorVersion": "1", "verifiedAt": null }

Response body

5 properties · 1 required · 2 $defs

property	type	description	constraints
rle*	string[] \| File	Per-frame RLE masks, or a JSON file containing them in URL mode.
metadata	MaskMetadata[]	Per-mask metadata when multiple RLEs are returned.	nullable
boundingbox_frames_zip	File	Zip file containing per-frame bounding box overlays.	nullable
boxes	number[][]	Per-mask normalized bounding boxes [cx, cy, w, h] when requested.	nullable
scores	number[]	Per-mask confidence scores when requested.	nullable

Types

2 $defs

Fileobject

url*	string	The URL where the file can be downloaded from.
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
file_size	integer	The size of the file in bytes.	nullable

MaskMetadataobject

index*	integer	Index of the mask inside the model output.
box	number[]	Bounding box for the mask in normalized cxcywh coordinates.	nullable
score	number	Score for this mask.	nullable

Validate a payload

before you spend tokens

shell

$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/sam-3/video-rle","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}