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:Documentation Index
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speechmatics
Vault Credential
| Key | Description |
|---|---|
key | Speechmatics API key from speechmatics.com |
Setup
Get a Speechmatics API key
Sign in at portal.speechmatics.com → API Keys → Generate API Key.
Add to Rapida vault
In the Rapida dashboard → Credentials → Create Credential, select provider Speechmatics, enter
key = your API key.Configure the assistant
In the assistant settings → TTS Provider, select Speechmatics.
See the full voice and language list in the Speechmatics TTS documentation.
| Option | Example | Description |
|---|---|---|
voice_id | en-US-Neural-F | Speechmatics voice identifier |
language | en | Language code: en, es, fr, de, it, pt, nl, pl, ja, zh, and more |
Speechmatics STT
Speechmatics real-time speech recognition
TTS Overview
All TTS providers