Text-to-Audio (T2A) that offers voice synthesis, emotional expression, and multilingual capabilities. Designed for real-time applications with low latency
speech-02-turboAPI keys come with the Scale and Ultra plans

The smallest request that works: the required fields only.
curl https://api.percify.io/v3/playground/v1/run \
-H "Authorization: Bearer $PERCIFY_API_TOKEN" \
-H "Content-Type: application/json" \
-d '{
"modelId": "speech-02-turbo",
"input": {
"text": "Speech-02-series is a Text-to-Audio and voice cloning technology that offers voice synt..."
}
}'13 fields in input, required first.
textRequiredText to narrate (max 10,000 characters). Use markers like <#0.5#> to insert pauses in seconds.
voice_idOptionalVoice to synthesize. Pick any system voice (e.g. English_Wiselady, English_Deep-VoicedGentleman) or a voice_id returned by See the full list of voices in the README.
speedOptionalSpeech speed multiplier (0.5, 2.0). Lower is slower, higher is faster.
volumeOptionalRelative loudness. 1.0 is default gain. Range 0, 10.
pitchOptionalSemitone offset applied to the voice (−12 to +12).
emotionOptionalDesired delivery style. Use auto to let choose, or pick a specific emotion.
english_normalizationOptionalImprove number/date reading for English text (adds a small amount of latency).
sample_rateOptionalAudio sample rate in Hz.
bitrateOptionalMP3 bitrate in bits per second. Only used when audio_format is mp3.
audio_formatOptionalFile format for the generated audio. Choose mp3 for general use, wav/flac for lossless, or pcm for raw bytes.
channelOptionalmono for 1 channel (default), stereo for 2 channels.
subtitle_enableOptionalReturn subtitle metadata with sentence timestamps (non-streaming only).
language_boostOptionalOptional language hint. Choose Automatic to let detect the language, or pick a specific locale.
Natural speech with expressive delivery.
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Pick a use case, run it in the playground, copy the call.
API keys come with the Scale and Ultra plans