GET

/v1/schemas/fal/video/fal-ai/pixverse/c1/text-to-video

Accept:

kind inputactivity videohash 49723620…extracted Oct 9, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. upstream-spec Source trace `9f1f46c8013ba35ab62eab4cf566c5008107fd7f80013cbb88a43aec181e5988` { "fetchedAt": 1791522002, "extractorVersion": "1", "verifiedAt": null }

Request body

7 properties · 1 required · 0 $defs

property	type	description	constraints
prompt*	string	Text prompt for the video generation. Limited to 2048 UTF-8 encoded bytes. Because the limit counts bytes rather than characters, emoji and non-Latin or accented characters (which use multiple bytes each) can push a visually short prompt over the cap.
enable_safety_checker	boolean	Authorized callers may set false to request relaxed screening.	default: true
duration	integer	The duration of the generated video in seconds (1-15)	1 ≤ n ≤ 15 · default: 5
aspect_ratio	enum	The aspect ratio of the generated video	16:9 \| 4:3 \| 1:1 \| 3:4 \| 9:16 \| 2:3 · +2 more · default: "16:9"
resolution	enum	The resolution of the generated video	360p \| 540p \| 720p \| 1080p · default: "720p"
seed	integer	The same seed and the same prompt given to the same version of the model will output the same video every time.	nullable
generate_audio_switch	boolean	Enable audio generation (BGM, SFX, dialogue)	default: false

Validate a payload

before you spend tokens

shell

$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/pixverse/c1/text-to-video","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}