GET

/v1/schemas/fal/image/fal-ai/moss-image?kind=output

Accept:

kind outputactivity imagehash c412a3d1…extracted Oct 19, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. upstream-spec Source trace `59ad239761187343395b9a8cc394821ec78edff54dd0adf7e331756adea6b8d5` { "fetchedAt": 1792386010, "extractorVersion": "1", "verifiedAt": null }

Response body

4 properties · 3 required · 1 $defs

property	type	description	constraints
seed*	integer	Seed used for the first generated image.
images*	Image[]	Generated images.
has_nsfw_concepts*	boolean[]	Whether each generated image contains unsafe content.
actual_prompt	string	Expanded prompt used for generation, when enhancement succeeds.	nullable

Types

1 $defs

Imageobject

Represents an image file.

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

Validate a payload

before you spend tokens

shell

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