GET

/v1/schemas/fal/image/fal-ai%2Fflux-2%2Fflash%2Fedit

kind inputactivity imagehash a4a75330extracted Jul 6, 2026version currentsource upstream spec ↗

Request body

10 properties · 2 required · 1 $defs
propertytypedescriptionconstraints
image_urls*string[]The URLs of the images for editing. A maximum of 4 images are allowed, if more are provided, only the first 4 will be used.
prompt*stringThe prompt to edit the image.
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
image_sizeImageSize | enumThe size of the image to generate. The width and height must be between 512 and 2048 pixels.nullable · default: "square_hd"
enable_prompt_expansionbooleanIf set to true, the prompt will be expanded for better results.default: false
num_imagesintegerThe number of images to generate.1 ≤ n ≤ 4 · default: 1
output_formatenumThe format of the generated image.jpeg | png | webp · default: "png"
guidance_scalenumberGuidance 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: 2.5
seedintegerThe seed to use for the generation. If not provided, a random seed will be used.nullable

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/flux-2/flash/edit","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}