Real-Time Avatar API — Unlimited Concurrency, Pennies a Minute | LiveAvatar by HeyGen • LiveAvatar

Professional-grade 1080p avatars — one session or ten thousand at once. Rates fall to $0.01/min at scale.
Trusted by industry pioneers and category creators
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Choose half-body or full-body framing — facial detail, gesture, and movement captured at professional grade.
Start from the preset library, or build your own from an image or two minutes of footage.
First frames under 300ms, and a five-minute setup developers run on their own.
Global infrastructure that holds its numbers at volume — 99.99% uptime, unlimited concurrency.
Choose half-body or full-body framing — facial detail, gesture, and movement captured at professional grade.
Start from the preset library, or build your own from an image or two minutes of footage.
First frames under 300ms, and a five-minute setup developers run on their own.
Global infrastructure that holds its numbers at volume — 99.99% uptime, unlimited concurrency.
Expression, timing, and eye contact that read as human — so the conversation builds the trust your product depends on.
A fully on-brand avatar that's yours alone — cloned once, then streamed to every user at once.
First frames in under 300ms — and it holds when traffic spikes, because there's no session cap to hit.
Expression, timing, and eye contact that read as human — so the conversation builds the trust your product depends on.
A fully on-brand avatar that’s yours alone — cloned once, then streamed to every user at once.
First frames in under 300ms — and it holds when traffic spikes, because there’s no session cap to hit.
Pick an avatar. Preset library, or your own consented likeness.
Choose FULL or LITE — our managed agent, or bring your own agent.
Mount the stream. One element — interruption handling and auto-reconnect built in.
Ship with our full voice stack, or bring your own. Same avatars, same API, either way.
Voice stack, streaming, and infrastructure included. Plug in and launch.
Bring your own voice stack. We handle the avatar and real-time streaming.
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