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Voice biometrics

Pay by voice. Prove it’s you.

AgentPay matches the caller’s voice to their enrolled voiceprint while they talk to your voice agent. A payment is approved mid-conversation, without reading out an OTP, a PIN or a card number.

Inbound call · 00:42Liveness · passVoiceprint · enrolled match
Why now

Voice agents can close the sale. Checkout still asks for a code.

Voice agents now take orders, renew policies and collect dues end to end on a call. The weak point is the moment money moves: the caller is sent to an SMS, asked to read a one-time code aloud, or asked to recite card digits to a machine. Every step adds drop-off, and anything spoken can be overheard or replayed.

Voice biometrics makes the conversation itself the credential. The caller is verified by how they sound while they say what they want, and the agent spends only inside the mandate they approved.

Today

  • Wait for an SMS
  • Read a six-digit code aloud
  • Repeat it when the line drops

With AgentPay

  • Say “yes, pay it”
  • Verified in the same sentence
The hard part

Two problems every voice check has to solve.

  • Noisy, compressed phone lines

    Calls arrive over narrowband codecs, speakerphones and busy streets. A model tuned on clean studio audio turns away real customers and lets close-enough voices through.

    Scored on telephony-grade audio, with the match threshold weighed against signal quality.

  • Cloned and synthetic voices

    A few seconds of public audio is enough to clone a voice. A check that only asks “does this sound like them?” can be beaten by a recording, or by a generated voice.

    Liveness and replay detection run first. A synthetic or replayed voice fails before any voiceprint is compared.

How it works

Verified in the conversation. Settled on the rails.

Voice ID sits between your voice agent and the payment. Nothing moves until the voice is live, matches, and the request fits the caller’s mandate.

  1. Caller

    Speaks naturally

  2. Voice agent

    Captures intent and audio

  3. AgentPay Voice ID

    Runs while the caller talks

    • Liveness
    • Voiceprint match
    • Risk score
  4. Mandate check

    Within scope, cap and time

  5. Payment rails

    UPI · Cards

  • Stops impostors

    Liveness, replay and synthetic-voice checks gate every match, so a recording or a clone doesn't reach the payment.

  • No codes to read out

    Callers confirm with their voice. No OTP to wait for, no PIN said aloud, no card number handed to a bot.

  • Shorter calls

    Verification happens while the caller is already speaking, so approving a payment doesn't add a step to the conversation.

  • Lower cost per payment

    Fewer OTP messages, fewer failed attempts, and fewer calls handed to a human just to confirm who's on the line.

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