docs(tts): add Telnyx as TTS provider

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Franco Viotti 2026-01-29 08:08:33 -03:00
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@ -8,13 +8,14 @@ read_when:
# Text-to-speech (TTS)
Moltbot can convert outbound replies into audio using ElevenLabs, OpenAI, or Edge TTS.
Moltbot can convert outbound replies into audio using ElevenLabs, OpenAI, Telnyx, or Edge TTS.
It works anywhere Moltbot can send audio; Telegram gets a round voice-note bubble.
## Supported services
- **ElevenLabs** (primary or fallback provider)
- **OpenAI** (primary or fallback provider; also used for summaries)
- **Telnyx** (primary or fallback provider; great quality, cheaper than ElevenLabs)
- **Edge TTS** (primary or fallback provider; uses `node-edge-tts`, default when no API keys)
### Edge TTS notes
@ -31,9 +32,10 @@ does not publish limits, so assume similar or lower limits. citeturn0searc
## Optional keys
If you want OpenAI or ElevenLabs:
If you want OpenAI, ElevenLabs, or Telnyx:
- `ELEVENLABS_API_KEY` (or `XI_API_KEY`)
- `OPENAI_API_KEY`
- `TELNYX_API_KEY`
Edge TTS does **not** require an API key. If no API keys are found, Moltbot defaults
to Edge TTS (unless disabled via `messages.tts.edge.enabled=false`).
@ -202,9 +204,9 @@ Then run:
- `tagged` only sends audio when the reply includes `[[tts]]` tags.
- `enabled`: legacy toggle (doctor migrates this to `auto`).
- `mode`: `"final"` (default) or `"all"` (includes tool/block replies).
- `provider`: `"elevenlabs"`, `"openai"`, or `"edge"` (fallback is automatic).
- `provider`: `"elevenlabs"`, `"openai"`, `"telnyx"`, or `"edge"` (fallback is automatic).
- If `provider` is **unset**, Moltbot prefers `openai` (if key), then `elevenlabs` (if key),
otherwise `edge`.
then `telnyx` (if key), otherwise `edge`.
- `summaryModel`: optional cheap model for auto-summary; defaults to `agents.defaults.model.primary`.
- Accepts `provider/model` or a configured model alias.
- `modelOverrides`: allow the model to emit TTS directives (on by default).
@ -250,7 +252,7 @@ Here you go.
```
Available directive keys (when enabled):
- `provider` (`openai` | `elevenlabs` | `edge`)
- `provider` (`openai` | `elevenlabs` | `telnyx` | `edge`)
- `voice` (OpenAI voice) or `voiceId` (ElevenLabs)
- `model` (OpenAI TTS model or ElevenLabs model id)
- `stability`, `similarityBoost`, `style`, `speed`, `useSpeakerBoost`