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Speechmatics provides speech synthesis via HTTP streaming TTS, backed by the same platform known for its broad multilingual speech recognition. It supports a range of voices and languages for conversational assistant deployments. Provider identifier: speechmatics

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Vault Credential

KeyDescription
keySpeechmatics API key from speechmatics.com

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Setup

1

Get a Speechmatics API key

Sign in at portal.speechmatics.com → API Keys → Generate API Key.
2

Add to Rapida vault

In the Rapida dashboard → Credentials → Create Credential, select provider Speechmatics, enter key = your API key.
3

Configure the assistant

In the assistant settings → TTS Provider, select Speechmatics.
OptionExampleDescription
voice_iden-US-Neural-FSpeechmatics voice identifier
languageenLanguage code: en, es, fr, de, it, pt, nl, pl, ja, zh, and more
See the full voice and language list in the Speechmatics TTS documentation.

Speechmatics STT

Speechmatics real-time speech recognition

TTS Overview

All TTS providers