GET

/v1/schemas/fal/video/fal-ai/infinitalk/video-to-video

Accept:

kind inputactivity videohash ffc9fd5d…extracted Oct 9, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. upstream-spec Source trace `1a749bd29854975dbe1026efaee70c90d37109fcff90053bca4a41ded80207bf` { "fetchedAt": 1791522002, "extractorVersion": "1", "verifiedAt": null }

Request body

8 properties · 3 required · 0 $defs

property	type	description	constraints
audio_url*	string	The URL of the audio file.
prompt*	string	The text prompt to guide video generation.
video_url*	string	URL of the input video.
acceleration	enum	The acceleration level to use for generation.	none \| regular \| high · default: "regular"
resolution	enum	Resolution of the video to generate. Must be either 480p or 720p.	480p \| 720p · default: "480p"
seed	integer	Random seed for reproducibility. If None, a random seed is chosen.	0 ≤ n ≤ 4294967295 · default: 42
enable_safety_checker	boolean	Authorized callers may set false to request relaxed screening.	default: true
num_frames	integer	Number of frames to generate. Must be between 81 to 129 (inclusive). If the number of frames is greater than 81, the video will be generated with 1.25x more billing units.	41 ≤ n ≤ 241 · default: 145

Validate a payload

before you spend tokens

shell

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