GET

/v1/schemas/fal/video/blackforestlabs/flux-video-upscale

Accept:

kind inputactivity videohash 4c224211…extracted Aug 21, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. upstream-spec Source trace `2935fc25f850c5ac081f351991ea830af95afa83611ed76cad79df6f0ee770ed` { "fetchedAt": 1787288415, "extractorVersion": "1", "verifiedAt": null }

Request body

5 properties · 1 required · 0 $defs

property	type	description	constraints
video_url*	string	URL of the MP4 video to upscale. The video must be at most 20 seconds and 50 MB.
creativity	enum	Use 0 for a source-faithful upscale or 1 for creative detail enhancement.	0 \| 1 · default: 1
prompt	string	Optional description used to guide creative detail enhancement.	nullable
upscale_factor	number	Output scaling factor. The source aspect ratio is preserved.	1.5 ≤ n ≤ 3 · default: 2
safety_tolerance	integer	Moderation strictness. Lower values are stricter.	0 ≤ n ≤ 4 · default: 2

Validate a payload

before you spend tokens

shell

$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"blackforestlabs/flux-video-upscale","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}