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POST
Start a long-audio transcription

Authorizations

X-API-Key
string
header
required

Your Omnia API key (om_… or ck_…)

Headers

X-Languages
string

Comma-separated BCP-47 codes (up to 10), or auto on its own to detect the language. Defaults to fi-FI,sv-SE. Also accepted as ?languages=. See GET /languages for supported codes.

Example:

"fi-FI,sv-SE"

X-Metadata
string

JSON passed through unchanged to usage webhooks.

Example:

"{\"callId\": \"abc-123\"}"

X-Diarization
string

true, or minSpeakers,maxSpeakers (1–20, e.g. 2,4).

Example:

"true"

Body

The body is of type file.

Response

Operation started

operationId
string
status
enum<string>
Available options:
processing
pollUrl
string
Example:

"/batch/batch_a1b2c3d4-…"

audioBytes
integer