GET

/v1/schemas/fal/image/fal-ai%2Fflux-pro%2Fkontext%2Fmax%2Fmulti

kind inputactivity imagehash 7b5cb787extracted Jul 6, 2026version currentsource upstream spec ↗

Request body

10 properties · 2 required · 0 $defs
propertytypedescriptionconstraints
prompt*stringThe prompt to generate an image from.
image_urls*string[]Image prompt for the omni model.
num_imagesintegerThe number of images to generate.1 ≤ n ≤ 4 · default: 1
output_formatenumThe format of the generated image.jpeg | png · default: "jpeg"
safety_toleranceenumThe safety tolerance level for the generated image. 1 being the most strict and 5 being the most permissive.1 | 2 | 3 | 4 | 5 | 6 · default: "2"
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
aspect_ratioenumThe aspect ratio of the generated image.21:9 | 16:9 | 4:3 | 3:2 | 1:1 | 2:3 · +3 more · nullable
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.1 ≤ n ≤ 20 · default: 3.5
enhance_promptbooleanWhether to enhance the prompt for better results.default: false

Validate a payload

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