GET

/v1/schemas/fal/audio/mureka/v8/song/extend?kind=output

Accept:

kind outputactivity audiohash 242d7aa8…extracted Oct 31, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. upstream-spec Source trace `6a21a1f483b754cb6defb8e2a0c4375570049e095c982566cc65fa88b49a0cb1` { "fetchedAt": 1793422802, "extractorVersion": "1", "verifiedAt": null }

Response body

4 properties · 1 required · 4 $defs

property	type	description	constraints
audio*	File	The generated audio file.
lyrics_sections	LyricsSection[]	Timed lyric sections for the generated audio, when available.	nullable
duration	integer	Duration of the generated audio in milliseconds, when available.	nullable
song_id	string	Reusable identifier for this audio. Pass it to endpoints that accept song_id.	nullable

Types

4 $defs

Fileobject

file_name	string	The name of the file. It will be auto-generated if not provided.	nullable
file_size	integer	The size of the file in bytes.	nullable
content_type	string	The mime type of the file.	nullable
url*	string	The URL where the file can be downloaded from.

LyricsLineobject

words	LyricsWord[]	nullable
text	string	nullable
end	integer	nullable
start	integer	nullable

LyricsSectionobject

end	integer	nullable
start	integer	nullable
section_type	enum	intro \| verse \| pre-chorus \| chorus \| bridge \| break · +1 more · nullable
lines	LyricsLine[]	nullable

LyricsWordobject

end	integer	nullable
text	string	nullable
start	integer	nullable

Validate a payload

before you spend tokens

shell

$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"mureka/v8/song/extend","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}