GET

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

kind outputactivity imagehash d996bfb4…extracted Jul 6, 2026version currentsource upstream spec ↗
fieldrecorded source
schemaSource linked above.
Source trace
79a5659dc70997a7dddfa3fbd62b7bab484a42aab9d9c8ab57557b27797bc7f5
{
  "fetchedAt": 1783329487,
  "extractorVersion": "1",
  "verifiedAt": null
}

Response body

5 properties · 5 required · 1 $defs
propertytypedescriptionconstraints
images*Image[]The generated image files info.
has_nsfw_concepts*boolean[]Whether the generated images contain NSFW concepts.
timings*object
prompt*stringThe prompt used for generating the image.
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/hidream-i1-fast","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}