GET

/v1/schemas/fal/image/fal-ai%2Fcogview4

kind inputactivity imagehash 6f9510beextracted Jul 6, 2026version currentsource upstream spec ↗

Request body

10 properties · 1 required · 1 $defs
propertytypedescriptionconstraints
prompt*stringThe prompt to generate an image from.
image_sizeImageSize | enumThe size of the generated image.default: "landscape_4_3"
num_imagesintegerThe number of images to generate.1 ≤ n ≤ 4 · default: 1
seedinteger The same seed and the same prompt given to the same version of the model will output the same image every time. nullable
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: ""
output_formatenumThe format of the generated image.jpeg | png · default: "jpeg"
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: 3.5
num_inference_stepsintegerThe number of inference steps to perform.1 ≤ n ≤ 50 · default: 50
enable_safety_checkerbooleanIf set to true, the safety checker will be enabled.default: true
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

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/cogview4","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}