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Use cases

From first call to full call center.

The same platform powers a no-code phone receptionist and a high-throughput transcription pipeline. Pick your starting point.

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What can you build?

AI drive-thru in 20 lines

An Omni agent takes the order, reads it back, and fires it to your POS via a tool - all over one WebSocket.

How Omni agents work
js
const ws = new WebSocket(
  "wss://api.pyai.com/v1/omni?agent_id=drive_thru",
  ["pyai-key." + PYAI_KEY],
);
AI spend audit

Where businesses waste money in voice AI

Before you add another provider, find the leaks: duplicated model bills, platform fees, slow turns, and manual review work. PyAI shows the economics before you scale.

You pay every vendor in the chain

Many voice AI stacks bill STT, realtime reasoning, TTS, telephony, platform fees, and QA separately. PyAI collapses the core phone-agent loop into one predictable voice stack.

Latency quietly kills conversion

A cheap model is expensive if callers wait, interrupt, or abandon. PyAI is built around phone turn-taking, barge-in, and streaming output so the customer experience stays natural.

Sampling calls misses the expensive mistakes

Manual QA usually reviews a small slice of conversations. Hear, Trace, and Recap help teams turn every call into transcripts, summaries, scorecards, and audit evidence.

Migration work is often overstated

If your current provider uses OpenAI-compatible APIs, the first PyAI test is usually a base URL, key, model, and voice change - then you replay real calls before scaling.

Model your spend See migration guides

For teams

AI phone receptionist

Never miss a call again.

Answer every call 24/7 with a natural agent that books, answers, and routes.

See how

Voice appointment booking

Fill the calendar while you sleep.

Let callers book, reschedule, and confirm by voice - straight into your calendar.

See how

Outbound qualification

Qualify leads at scale.

Run friendly outbound calls that qualify, capture answers, and hand off the hot ones.

See how

Call QA & compliance

Know what was said on every call.

Transcribe and score 100% of calls, with compliance flags you can audit.

See how

For developers

Live transcription & captions

Words on screen as they're spoken.

Add realtime captions or live transcripts with eager partials.

See how

Bulk transcription pipeline

Transcribe the backlog for half price.

Queue thousands of recordings and get webhooks when they're done.

See how

A voice for your app

Sound great in 5 minutes.

Add streaming text-to-speech that starts playing in milliseconds.

See how

Build a voice-cloning product

Give every user their own voice.

Enroll voices for free and synthesize with them on demand.

See how

Stop paying for stitched voice AI.

Start with a free key, 10,000 Hear minutes every month, and $50 in credits. Test the same OpenAI-compatible stack you can take to production with Omni, Agents, and Trace.

Get a free key Model your spend

No credit card - OpenAI-compatible - cancel anytime