GET

/v1/schemas/fal/image/fal-ai%2Fflux-2%2Fklein%2Frealtime

kind inputactivity imagehash dc63c507extracted Jul 6, 2026version currentsource upstream spec ↗

Request body

8 properties · 1 required · 0 $defs
propertytypedescriptionconstraints
image_url*stringBase64-encoded image data URI for editing. CDN URLs are not supported for realtime. For optimal performance, use 704x704 JPEG images with 50% quality. Other sizes will be resized automatically.
num_inference_stepsinteger1 ≤ n ≤ 8 · default: 3
schedule_munumberSchedule mu for time shift. 2.3=default, lower=more even denoising, 0.3=nearly linear.0.3 ≤ n ≤ 2.5 · default: 2.3
enable_interpolationbooleanEnable RIFE frame interpolation between consecutive frames (doubles output frames).default: false
promptstringThe prompt to guide image editing.default: "Turn this into \"Living oil pai…
seedintegerRandom seed for reproducibility.nullable
image_sizeenumThe size of the generated image. square=768x768, square_hd=1024x1024.square | square_hd · default: "square"
output_feedback_strengthnumberOutput feedback loop. 1.0 = pure noise (no feedback), 0.9 = 90% noise + 10% previous output latent.0 ≤ n ≤ 1 · default: 1

Validate a payload

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