GET

/v1/schemas/fal/image/fal-ai/pixart-sigma

kind inputactivity imagehash 07027794…extracted Jul 6, 2026version currentsource upstream spec ↗
fieldrecorded source
schemaSource linked above.
Source trace
5feeca4a01623a2661727ee18bdaf0f0a9dd743ff7109d3a24ddcb82666c08ad
{
  "fetchedAt": 1783330412,
  "extractorVersion": "1",
  "verifiedAt": null
}

Request body

11 properties · 1 required · 1 $defs
propertytypedescriptionconstraints
prompt*stringThe prompt to use for generating the image. Be as descriptive as possible for best results.
image_sizeImageSize | enumThe size of the generated image.default: "square_hd"
num_imagesintegerThe number of images to generate.1 ≤ n ≤ 8 · default: 1
styleenumThe style to apply to the image.(No style) | Cinematic | Photographic | Anime | Manga | Digital Art · +4 more · default: "(No style)"
negative_promptstringThe negative prompt to use. Use it to address details that you don't want in the image. This could be colors, objects, scenery and even the small details (e.g. moustache, blurry, low resolution).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
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.1 ≤ n ≤ 10 · default: 4.5
schedulerenumThe scheduler to use for the model.DPM-SOLVER | SA-SOLVER · default: "DPM-SOLVER"
num_inference_stepsintegerThe number of inference steps to perform.5 ≤ n ≤ 50 · default: 35
enable_safety_checkerbooleanIf set to true, the safety checker will be enabled.default: false
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

Types

1 $defs

ImageSizeobject

widthintegerThe width of the generated image.0 < n ≤ 14142 · default: 512
heightintegerThe height of the generated image.0 < n ≤ 14142 · default: 512

Validate a payload

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