GET

/v1/schemas/fal/image/fal-ai%2Ffast-lcm-diffusion%2Fimage-to-image?kind=output

kind outputactivity imagehash d996bfb4…extracted Jul 6, 2026version currentsource upstream spec ↗

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
images*Image[]The generated image files info.
has_nsfw_concepts*boolean[]Whether the generated images contain NSFW concepts.
prompt*stringThe prompt used for generating the image.

Validate a payload

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