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POST
Synthesize speech (sync)

Authorizations

Authorization
string
header
required

Send your API Key in the Authorization header (Bearer <api_key>). See Authentication.

Headers

X-Idempotency-Key
string
required

Required on mutating POST requests that create tasks or change persisted data (max 64 characters). See Idempotency.

Maximum string length: 64

Body

application/json
data
object[]
required

Lines to synthesize (max 50). Each item needs text and a Voices voiceId or timbreRefAudio

Maximum array length: 50
provider
string
deprecated

Deprecated — do not send. Pass voiceId on each line instead. See Text to speech and Supported clone methods.

language
object

Target language for synthesis

trim
boolean
default:false

When true, trim leading and trailing silence from output audio

outputFormat
enum<string>
default:m4a

Output audio container: wav, mp3, or m4a

Available options:
wav,
mp3,
m4a

Response

200 - application/json

Success

code
integer
required

Business code; 200 means success

Example:

200

message
string

Human-readable detail when code is not success

Example:

""

data
object

Synthesis results returned in the synchronous HTTP response.