GET

/v1/schemas/fal/image/fal-ai/omnigen-v1

kind inputactivity imagehash 68883648…extracted Aug 10, 2026version currentsource upstream spec ↗
fieldrecorded source
schemaSource linked above.
Source trace
f74ea2505a685ff3b17d0623f843016395584014e4b6a277ff2ac32f1b2e5361
{
  "fetchedAt": 1786338105,
  "extractorVersion": "1",
  "verifiedAt": null
}

Request body

11 properties · 1 required · 1 $defs
propertytypedescriptionconstraints
prompt*stringThe prompt to generate an image from.
output_formatenumThe format of the generated image.jpeg | png · default: "jpeg"
seedinteger The same seed and the same prompt given to the same version of the model 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.0 ≤ n ≤ 20 · default: 3
num_inference_stepsintegerThe number of inference steps to perform.1 ≤ n ≤ 50 · default: 50
image_sizeImageSize | enumThe size of the generated image.default: "square_hd"
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
enable_safety_checkerbooleanIf set to true, the safety checker will be enabled. Disabling it requires account authorization; unauthorized requests are always checked, and images flagged as unsafe are returned as black images.default: true
input_image_urlsstring[]URL of images to use while generating the image, Use <img><|image_1|></img> for the first image and so on.default: []
img_guidance_scalenumberThe Image Guidance scale is a measure of how close you want the model to stick to your input image when looking for a related image to show you.0 ≤ n ≤ 20 · default: 1.6
num_imagesintegerThe number of images to generate.1 ≤ n ≤ 4 · default: 1

Types

1 $defs

ImageSizeobject

heightintegerThe height of the generated image.0 < n ≤ 14142 · default: 512
widthintegerThe width 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/omnigen-v1","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}