GET

/v1/schemas/fal/video/mirelo-ai/sfx-v1.5/video-to-video

Accept:

kind inputactivity videohash 3e39f9a5…extracted Oct 14, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. upstream-spec Source trace `ac7fcae39df4aed864eb3c4e32ce1396b409dd4413511e33d737b4daf52e6e88` { "fetchedAt": 1791954060, "extractorVersion": "1", "verifiedAt": null }

Request body

6 properties · 1 required · 0 $defs

property	type	description	constraints
video_url*	string	A video url that can accessed from the API to process and add sound effects	length ≥ 1 · length ≤ 2083 · format: uri
seed	integer	The seed to use for the generation. If not provided, a random seed will be used	n ≥ 1 · nullable
start_offset	number	The start offset in seconds to start the audio generation from	n ≥ 0 · nullable
duration	number	The duration of the generated audio in seconds	1 ≤ n ≤ 10 · nullable
text_prompt	string	Additional description to guide the model	nullable
num_samples	integer	The number of samples to generate from the model	2 ≤ n ≤ 8 · nullable

Validate a payload

before you spend tokens

shell

$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"mirelo-ai/sfx-v1.5/video-to-video","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}