Create Speech

Supported Providers

• Azure OpenAI

• Fireworks AI

• Groq

• OpenAI

Create Speech

post

Authorizations

Portkey-KeyVirtual-KeyProvider-AuthProvider-NameConfigCustom-Host

Body

modelany ofRequired

One of the available TTS models: tts-1 or tts-1-hd

stringOptional

or

string · enumOptionalPossible values:

inputstring · max: 4096Required

The text to generate audio for. The maximum length is 4096 characters.

voicestring · enumRequired

The 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.

Possible values:

response_formatstring · enumOptional

The format to audio in. Supported formats are mp3, opus, aac, flac, wav, and pcm.

Default: mp3Possible values:

speednumber · min: 0.25 · max: 4Optional

The speed of the generated audio. Select a value from 0.25 to 4.0. 1.0 is the default.

Default: 1

Responses

200

OK

application/octet-stream

Responsestring · binary

post

DefaultDefaultDefaultSelf-HostedSelf-HostedSelf-Hosted

curl https://api.portkey.ai/v1/audio/speech \
  -H "x-portkey-api-key: $PORTKEY_API_KEY" \
  -H "x-portkey-virtual-key: $PORTKEY_PROVIDER_VIRTUAL_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "tts-1",
    "input": "The quick brown fox jumped over the lazy dog.",
    "voice": "alloy"
  }' \
  --output speech.mp3

200

OK

binary