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POST
Source Audio Reference: No additional IDs are needed for tracks based on existing songs. Just pass task_id (the task ID from the previous run of this task) + audio_index (which result track in the data.result.music[] list, 1-based, default is 1).
This endpoint has no version dimension: do not pass version — if passed, it is discarded and does not affect billing.

Authorizations

string
required
All endpoints require authentication using a Bearer TokenGet an API Key:Visit the API Key management page to get your API KeyAdd the following to the request headers when using it:

Body

string
default:"suno"
Audio model. Currently pass suno (defaults to suno if omitted).
string
required
Our task_id of the job that produced the source track. If missing or the source cannot be resolved, a 400 is returned at submission time.
integer
default:"1"
Selects a track from the source task’s data.result.music[] array (1-based; default 1).
Get results: After submission, poll for GET /v1/music/tasks/{task_id}. Read result.avg_bpm, result.min_bpm, and result.max_bpm; the fields may be strings or numbers, so ensure they are finite values after conversion.

Response

integer
Response status code
array
Returned data array