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MicrosoftText to Speech/v1/media/queue

MAI-Voice-2

MAI-Voice-2 text to speech — expressive speech in 15 languages, billed on input length.

Microsoft's expressive text-to-speech model and the current #1 on the design-arena TTS leaderboard. 15 languages across 18 locales, 24 kHz mono output, tuned for long-form narration and conversational agents.

No credit card required. Takes 30 seconds.

2,400+

Developers

1.2M+

API calls served

100+

Endpoints

$0.01

Per call

Yep, that's it.

Playground coming soon — use the API endpoint directly with your API key.

Pricing

Per character: $0.0465/1K chars

Endpoint

/v1/media/queue

Strengths

✓
Ranked #1 for speech

MAI-Voice-2 tops the design-arena text-to-speech leaderboard, and takes first place for audio realism as well.

✓
15 languages, 18 locales

One model covers English, Spanish, French, German and eleven more languages without switching providers.

✓
Expressive delivery

Fine-grained control over tone and pacing makes it suitable for narration and character work, not just flat readouts.

✓
Long-form ready

Built for audiobooks, courseware, and accessibility playback where hours of audio have to stay consistent.

Quick start

Copy this snippet and start making calls with MAI-Voice-2.

// Step 1: Submit job
const res = await fetch('https://api.yepapi.com/v1/media/queue', {
  method: 'POST',
  headers: {
    'x-api-key': 'YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "model": "microsoft/mai-voice-2",
    "prompt": "Welcome back. Your report finished processing overnight, and there are three items that need your attention this morning.",
    "options": {
      "voice": "en-US-Harper:MAI-Voice-2"
    }
  }),
});
const { data } = await res.json();
const jobId = data.jobId;

// Step 2: Poll for result
const status = await fetch(`https://api.yepapi.com/v1/media/status/${jobId}`, {
  headers: { 'x-api-key': 'YOUR_API_KEY' },
});
const { data: job } = await status.json();
// job.status: "pending" | "processing" | "completed" | "failed"
// job.result: { text?, image?, audio?, video? }

Why use MAI-Voice-2 through YepAPI?

✓One API key for all models — no separate accounts
✓No monthly minimums — pay per call
✓Switch models with one line of code
✓Simple REST API — works from any language
✓Unified billing across all providers
✓No rate limits for most use cases

MAI-Voice-2 API — the top-ranked text-to-speech model

MAI-Voice-2 is Microsoft's expressive text-to-speech model, currently ranked first on the design-arena leaderboard for both text-to-speech and audio realism. It generates 24 kHz mono speech across 15 languages and 18 locales with fine-grained control over tone and delivery.

Through YepAPI you submit text to `/v1/media/queue`, poll the job, and download the audio — one key, billed on input length at $0.0465 per 1,000 characters, with no separate speech contract to sign.

Start generating in 30 seconds

$5 free credit on signup. No credit card required. Pay per call.

What developers say

“Switched from SerpAPI and cut our SERP costs by 80%. Same data quality, way simpler billing.”

Marcus T.

SEO Platform Founder

“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”

Priya S.

Full-Stack Developer

“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”

Jake R.

Indie Hacker

Frequently asked questions

Microsoft's expressive text-to-speech model and the current #1 on the design-arena TTS leaderboard. 15 languages across 18 locales, 24 kHz mono output, tuned for long-form narration and conversational agents.

Pricing for MAI-Voice-2 through YepAPI is based on usage. No monthly minimums — you only pay for what you use.

Sign up for a free API key, then send requests to the /v1/media/queue endpoint.

Ready to use MAI-Voice-2?

$5 free credit on signup. No credit card required. Pay per call.

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