GET

/v1/schemas/fal/image/fal-ai/fast-lightning-sdxl/inpainting?kind=output

kind outputactivity imagehash d996bfb4…extracted Jul 6, 2026version currentsource upstream spec ↗
fieldrecorded source
schemaSource linked above.
Source trace
0975bb00fb04b52e0de04b090f39ad3b60317b0ef0d0e677e1a1262d807154fa
{
  "fetchedAt": 1783331098,
  "extractorVersion": "1",
  "verifiedAt": null
}

Response body

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

Types

1 $defs

Imageobject

width*integer
height*integer
content_typestringnullable
url*string

Validate a payload

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