GET

/v1/schemas/fal/image/fal-ai%2Fflux-pro%2Fv1.1-ultra%2Fredux?kind=output

kind outputactivity imagehash de0e09b7…extracted Jul 6, 2026version currentsource upstream spec ↗

Response body

5 properties · 5 required · 1 $defs
propertytypedescriptionconstraints
has_nsfw_concepts*boolean[]Whether the generated images contain NSFW concepts.
images*registry__image__fast_sdxl__models__Image[]The generated image files info.
prompt*stringThe prompt used for generating the image.
timings*object
seed*integerSeed 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.

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/flux-pro/v1.1-ultra/redux","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}