GET

/v1/schemas/fal/audio/mureka/v8/generate/track

Accept:

kind inputactivity audiohash 56e10efc…extracted Oct 31, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. upstream-spec Source trace `f55a515f54d536c3f4567727a9beff864821a4094a8d27c09104e7080a6f6f56` { "fetchedAt": 1793422802, "extractorVersion": "1", "verifiedAt": null }

Request body

9 properties · 2 required · 0 $defs

property	type	description	constraints
prompt*	string	Description of the track's musical style and performance.	length ≥ 1 · length ≤ 1024
generate_type*	enum	Type of musical or vocal track to generate.	Vocals \| Instrumental \| Drums \| Bass \| Guitar \| Keyboard · +6 more
generate_end	integer	Optional end of the generation region in milliseconds. Requires generate_start and must be greater than it.	n ≥ 0 · nullable
song_id	string	Generated song ID from song_id in a /generate/song response. Provide exactly one of song_id or upload_audio_id.	length ≥ 1 · nullable
upload_audio_id	string	Audio ID returned by /files/upload with purpose='audio'. Provide exactly one of song_id or upload_audio_id.	length ≥ 1 · nullable
vocal_gender	enum	Preferred vocal gender; only valid when generate_type is Vocals.	female \| male · nullable
lyrics	string	Lyrics for a generated vocal track, up to 5,000 characters.	length ≥ 1 · length ≤ 5000 · nullable
generate_start	integer	Optional start of the generation region in milliseconds.	n ≥ 0 · nullable
enable_safety_checker	boolean	Authorized callers may set false to request relaxed screening.	default: true

Validate a payload

before you spend tokens

shell

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