GET

/v1/schemas/fal/image/fal-ai/fast-sdxl-controlnet-canny?kind=output

kind outputactivity imagehash d996bfb4…extracted Jul 6, 2026version currentsource upstream spec ↗
fieldrecorded source
schemaSource linked above.
Source trace
9c89a6347870f8b1634cebcd83e0ad75b900f967df04689ac22f5ff8b0977410
{
  "fetchedAt": 1783330412,
  "extractorVersion": "1",
  "verifiedAt": null
}

Response body

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

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/fast-sdxl-controlnet-canny","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}