Speechify API by Speechify
TTS API (Simba models) with a free plan that lists commercial use.
Voiceover (text-to-speech) Service
Price
Free tier
paid from $10 a month
Commercial use
Yes
Credit the author
—
Agent access
Public API
no key needed
Rules for your agent
Copied.
- Speechify API (Voiceover (text-to-speech)). TTS API (Simba models) with a free plan that lists commercial use. Price: free tier; commercial use OK; shipping inside an app unclear. Connect: npm @speechify/api; PyPI speechify-api. Rule: Clone voices only with consent; cloning is on paid plans.
Paste it into your prompt or AGENTS.md. It is built from the license and API terms below.
License
| License | — |
|---|---|
| Commercial use | Commercial use OK |
| Credit | — |
| Inside your app or game | Shipping inside an app unclear |
| Monetized YouTube | Monetized YouTube with conditions |
| AI training | Not stated |
| Bots and bulk downloads | Not stated |
| Rules |
|
Connect it to an agent
| MCP server | None found |
|---|---|
| API | Yes |
| npm | npm install @speechify/api |
| PyPI | pip install speechify-api |
| Status page | status.speechify.ai |
Pricing
| Free | 500K chars/month, no card; pauses until next month. |
|---|---|
| Paid from | $10 a month |
| Usage price | Starter $10 (1.9M chars) then $10/1M; Pro $99 (13.5M) then $8/1M; Scale $499 (78M) then $6/1M. |
Sources
Read on Oct 10, 2026: speechify.ai/pricing.
Not confirmed: ToS not read; free-plan commercial use rests on the pricing-page line only. Self-serve languages: English plus 6.
Not legal advice. Check the license page before you ship.
Alternatives to Speechify API
| Pick for your agent | Source | Price | License | Monetized YouTube | Agent access |
|---|---|---|---|---|---|
| Cartesia Sonic Sonic TTS API (Sonic 3.6 claims 44 languages) with instant and pro voice cloning. |
Free tier · from $5/mo | Commercial: conditions | With conditions | MCP API | |
| ElevenLabs Text-to-speech and voice cloning API in many languages, with an official MCP server. |
Free tier · from $6/mo | Commercial: conditions | With conditions | MCP API | |
| Fish Audio TTS app and pay-as-you-go API priced per UTF-8 byte; S2.1-Pro claims 83 languages. |
Free tier · from $11/mo | Commercial: conditions | With conditions | MCP API | |
| Hume Octave Octave TTS with voice cloning and an official MCP server. |
Free tier · from $3/mo | Commercial: conditions | With conditions | MCP API | |
| WellSaid TTS voices with commercial rights on paid plans; API access is available. |
Free tier · from $10/mo | Commercial: conditions | With conditions | API | |
| Chatterbox MIT-licensed open TTS with zero-shot cloning in 23 languages and a built-in Perth watermark. |
Free | Commercial OK No credit | Yes | PyPI | |
| Kokoro-82M 82M-parameter open-weight TTS model under Apache-2.0 with fixed voice packs. |
Free | Commercial OK No credit | Yes | npm | |
| Piper Fast local TTS engine (GPL-3.0) with downloadable voices under per-voice licenses. |
Free | Commercial: conditions Credit varies | With conditions | PyPI |
0 selected
Copied. Paste it into your prompt or AGENTS.md.