Products

One engine. Four ways to use it.

Every product below runs on the same voice pipeline — the same VAD, the same 192-dimension speaker embeddings, the same turn model. Real-time or offline, streaming or REST.

Real-time

Voice Events API

One WebSocket in, structured events out. Turn detection, identity-gated barge-in, speaker verification and noise events — no STT required.

—Semantic endpointing that waits out mid-thought pauses
—Only the verified speaker can interrupt your agent
—Sub-second verdicts, audio never stored

turn_endbarge_inspeaker_verification

Developer

SDKs & Adapters

Python and TypeScript clients with reconnect, resume and typed events — plus drop-in adapters for Pipecat, LiveKit and Twilio.

—pip install vsip-sdk · npm install vsip-sdk
—Framework adapters, not glue code you maintain
—Handles lookback, turn queueing and speak-gating for you

pythontypescriptpipecatlivekittwilio

Identity

Speaker Profile API

Enroll a voice once, recognise it forever. A REST API for persistent voiceprints — enroll, verify, identify — that plugs straight into live streams.

—192-dimension voiceprint, not stored audio
—Verify 1:1 or identify 1:N against your roster
—Consent flags and retention windows built in

enrollverifyidentify

Offline

Batch Audio Analytics

Upload a recording, get a structured conversation timeline: turns, per-speaker talk-time, silences, interruptions and noise events.

—The same engine as the live API, run offline
—Async job model — submit, poll, collect
—Call-center QA, meeting analytics, compliance review

timelinetalk_timeinterruptions

Why it matters

One voiceprint, every product.

A voice enrolled through the Speaker Profile API is the same embedding the live stream locks onto and the same one Batch Analytics attributes turns to. Enroll a customer once and every product recognises them — no re-training, no per-product setup, no separate model to keep in sync.

That is the whole architectural bet: identity is computed once, in one place, and everything else is a surface on top of it.

Start with the free tier.

Start free →Read the docs