Audio
Create Speech
POST
/
audio
/
speech
Authorizations
x-portkey-api-key
string
headerrequiredx-portkey-virtual-key
string
headerrequiredBody
application/json
model
required
One of the available TTS models: tts-1
or tts-1-hd
input
string
requiredThe text to generate audio for. The maximum length is 4096 characters.
Maximum length:
4096
voice
enum<string>
requiredThe voice to use when generating the audio. Supported voices are alloy
, echo
, fable
, onyx
, nova
, and shimmer
. Previews of the voices are available in the Text to speech guide.
Available options:
alloy
, echo
, fable
, onyx
, nova
, shimmer
response_format
enum<string>
default: mp3The format to audio in. Supported formats are mp3
, opus
, aac
, flac
, wav
, and pcm
.
Available options:
mp3
, opus
, aac
, flac
, wav
, pcm
speed
number
default: 1The speed of the generated audio. Select a value from 0.25
to 4.0
. 1.0
is the default.
Required range:
0.25 < x < 4
Response
200 - application/octet-stream
The response is of type file
.
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