GET

/v1/schemas/fal/image/fal-ai%2Fdreamshaper

kind inputactivity imagehash 0ecdfb1eextracted Jul 6, 2026version currentsource upstream spec ↗

Request body

15 properties · 1 required · 3 $defs
propertytypedescriptionconstraints
prompt*stringThe prompt to use for generating the image. Be as descriptive as possible for best results.
num_inference_stepsintegerThe number of inference steps to perform.1 ≤ n ≤ 70 · default: 35
image_sizeImageSize | enumdefault: {"height":1024,"width":1024}
formatenumThe format of the generated image.jpeg | png · default: "jpeg"
enable_safety_checkerbooleanIf set to true, the safety checker will be enabled.default: true
num_imagesintegerThe number of images to generate.1 ≤ n ≤ 8 · default: 1
guidance_scalenumberThe CFG (Classifier Free Guidance) scale is a measure of how close you want the model to stick to your prompt when looking for a related image to show you.0 ≤ n ≤ 20 · default: 5
request_idstringAn id bound to a request, can be used with response to identify the request itself.default: ""
safety_checker_versionenumThe version of the safety checker to use. v1 is the default CompVis safety checker. v2 uses a custom ViT model.v1 | v2 · default: "v1"
sync_modebooleanIf `True`, the media will be returned as a data URI and the output data won't be available in the request history.default: false
negative_promptstringThe negative prompt to use. Use it to address details that you don't want in the image.default: "(worst quality, low quality, no…
lorasLoraWeight[]The list of LoRA weights to use.default: []
seedinteger The same seed and the same prompt given to the same version of Stable Diffusion will output the same image every time. nullable
embeddingsEmbedding[]The list of embeddings to use.default: []
expand_promptbooleanIf set to true, the prompt will be expanded with additional prompts.default: false

Validate a payload

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