GET

/v1/schemas/fal/image/fal-ai/hidream-i1-dev?kind=output

kind outputactivity imagehash d996bfb4…extracted Jul 6, 2026version currentsource upstream spec ↗
fieldrecorded source
schemaSource linked above.
Source trace
837793bcf99f7b152116df1e9d37629e2815ce093f4573caac3cc6a8c18e66c7
{
  "fetchedAt": 1783330412,
  "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.
prompt*stringThe prompt used for generating the image.
images*Image[]The generated image files info.
timings*object
has_nsfw_concepts*boolean[]Whether the generated images contain NSFW concepts.

Types

1 $defs

Imageobject

url*string
height*integer
width*integer
content_typestringnullable

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/hidream-i1-dev","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}