GET

/v1/schemas/fal/image/fal-ai/flux-pro/kontext/text-to-image?kind=output

kind outputactivity imagehash de0e09b7…extracted Jul 6, 2026version currentsource upstream spec ↗
fieldrecorded source
schemaSource linked above.
Source trace
3ea92c6ed2accc472f80929ee52d2d696de4066846f18f1dfb3feda82303d08a
{
  "fetchedAt": 1783329487,
  "extractorVersion": "1",
  "verifiedAt": null
}

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.

Types

1 $defs

registry__image__fast_sdxl__models__Imageobject

width*integer
content_typestringnullable
url*string
height*integer

Validate a payload

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