GET

/v1/schemas/fal/image/fal-ai%2Fflux-lora%2Fimage-to-image

kind inputactivity imagehash cdf4c9a6extracted Jul 6, 2026version currentsource upstream spec ↗

Request body

13 properties · 2 required · 2 $defs
propertytypedescriptionconstraints
image_url*stringURL of image to use for inpainting. or img2img
prompt*stringThe prompt to generate an image from.
accelerationenumAcceleration level for image generation. 'regular' balances speed and quality.none | regular · default: "none"
image_sizeImageSize | enumThe size of the generated image.
seedinteger The same seed and the same prompt given to the same version of the model will output the same image every time. nullable
lorasLoraWeight[]The LoRAs to use for the image generation. You can use any number of LoRAs and they will be merged together to generate the final image.default: []
output_formatenumThe format of the generated image.jpeg | png · default: "jpeg"
enable_safety_checkerbooleanIf set to true, the safety checker will be enabled.default: true
num_imagesintegerThe number of images to generate. This is always set to 1 for streaming output.1 ≤ n ≤ 4 · default: 1
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 ≤ 35 · default: 3.5
strengthnumberThe strength to use for inpainting/image-to-image. Only used if the image_url is provided. 1.0 is completely remakes the image while 0.0 preserves the original.0.01 ≤ n ≤ 1 · default: 0.85
num_inference_stepsintegerThe number of inference steps to perform.1 ≤ n ≤ 50 · default: 28
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/flux-lora/image-to-image","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}