GET

/v1/schemas/fal/image/fal-ai/stable-diffusion-v3-medium/image-to-image?kind=output

kind outputactivity imagehash 44b2c278…extracted Jul 6, 2026version currentsource upstream spec ↗
fieldrecorded source
schemaSource linked above.
Source trace
3a268b33da0388e7abb8cb7a481349ee803dd2211880346cc19caea53aeeda4b
{
  "fetchedAt": 1783330412,
  "extractorVersion": "1",
  "verifiedAt": null
}

Response body

6 properties · 6 required · 1 $defs
propertytypedescriptionconstraints
num_images*integerThe number of images generated.
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.
images*Image[]The generated image files info.
timings*object
has_nsfw_concepts*boolean[]Whether the generated images contain NSFW concepts.
prompt*stringThe prompt used for generating the image.

Types

1 $defs

Imageobject

height*integer
content_typestringnullable
width*integer
url*string

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/stable-diffusion-v3-medium/image-to-image","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}