GET

/v1/schemas/fal/image/fal-ai/pixart-sigma?kind=output

Accept:

kind outputactivity imagehash 17a7d190…extracted Jul 6, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. Source trace `5feeca4a01623a2661727ee18bdaf0f0a9dd743ff7109d3a24ddcb82666c08ad` { "fetchedAt": 1783330412, "extractorVersion": "1", "verifiedAt": null }

Response body

5 properties · 5 required · 1 $defs

property	type	description
prompt*	string	The prompt used for generating the image.
seed*	integer	Seed of the generated Image. It will be the same value of the one passed in the input or the randomly generated that was used in case none was passed.
timings*	object	The timings of the different steps of the generation process.
has_nsfw_concepts*	boolean[]	Whether the generated images contain NSFW concepts.
images*	Image[]	The generated image files info.

Types

1 $defs

Imageobject

Represents an image file.

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

Validate a payload

before you spend tokens

shell

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