GET

/v1/schemas/fal/video/fal-ai/kandinsky6-pro/text-to-video

kind inputactivity videohash 222d68e6…extracted Oct 10, 2026version currentsource upstream spec ↗
fieldrecorded source
schemaSource linked above.

upstream-spec

Source trace
1cdd35a2d4ea202728e2f727c7a927a3adfe1045c590050401dac1eaba487f3b
{
  "fetchedAt": 1791608415,
  "extractorVersion": "1",
  "verifiedAt": null
}

Request body

11 properties · 1 required · 0 $defs
propertytypedescriptionconstraints
prompt*stringThe text prompt describing the video and its sound.
aspect_ratioenumThe aspect ratio of the generated video.16:9 | 9:16 | 1:1 | 4:3 | 3:4 · default: "16:9"
seedintegerThe random seed used for the generation process.nullable
generate_audiobooleanWhether to generate a synchronized audio track.default: true
num_inference_stepsintegerThe number of denoising steps.8 ≤ n ≤ 50 · default: 50
enable_prompt_expansionbooleanWhether to rewrite the prompt into a detailed video+audio description with the model's own Qwen2.5-VL text encoder before generating.default: false
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
guidance_scalenumberClassifier-free guidance strength.1 ≤ n ≤ 10 · default: 5
negative_promptstringWhat to avoid in the video. Defaults to the model's built-in negative prompt.nullable
upscale_factorenumIf set, upscale the generated video by this factor with Kandinsky 6 video super-resolution. One of 2, 2.25 or 4; 2.25 turns the 480p output into 1080p.2 | 2.25 | 4 | null
enable_safety_checkerbooleanAuthorized callers may set false to request relaxed screening.default: true

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/kandinsky6-pro/text-to-video","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}