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Voice AI that sells,
and keeps customers.

Speech-to-speech voice agents for promotional and retention calls. Built for India, priced for volume, and running on the telephony you already use.

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Voice Agents

Outbound promotional and retention calls that sound like a person.

Read the full call

Speech-to-Speech Powers Voice Agents

Our own model listens and answers in one pass, so calls keep a natural rhythm.

No separate transcription, language model and text-to-speech chain.

Speech-to-Text Sold separately

Streaming transcription of phone audio, word by word, while people are still talking.

Sample line, timings in seconds.

Noise Cancellation Sold separately

Clears traffic, horns, TVs and crowded rooms off the line.

Illustration of the effect, not a measurement.

Trusted by

  • RMZ
  • Embassy Group
  • Sumadhura

and a growing network of small sellers on Instagram, Facebook and X.

Two kinds of call.
Done properly.

Promotional calls bring customers in. Retention calls keep them. Pick a call to see how the agent handles it.

Promotional

Also: offer announcements, event invites, follow-ups on quiet leads.

Retention

Also: renewal reminders, re-order nudges, check-ins after a purchase.

Launch invite

Lakeview Towers · Agent: Aanya

Ready 00:00

    Sample calls are synthetic scripts written for this page, not recordings of real customers.

    Why teams pick Blu.

    Speech-to-speech

    One model hears and speaks. Conversations keep a natural rhythm instead of waiting on a chain of systems.

    Affordable at volume

    We built the model, so we price for campaigns that call thousands of customers, not for pilots.

    Your telephony

    Plivo, Exotel, Twilio or any SIP provider in India. Keep your numbers, your account and your rates.

    Languages

    • EnglishLive
    • हिंदी HindiLive
    • More Indian languagesComing soon

    Bring your own telephony.

    Blu runs on your telephony account. Your numbers, your account and your rates stay yours.

    Providers we work closely with

    • Plivo
    • Exotel
    • Twilio

    And anyone else

    • Any provider in India, over SIP
    1. 1Connect your accountWe tell you exactly what we need from your provider during onboarding.
    2. 2Choose your numbersPick the numbers Blu calls from and answers on. They stay on your account.
    3. 3Place a test callHear the agent on your own phone before any campaign goes out.

    Read the telephony docs

    Put an agent on the phone.

    Tell us who you need to call and why. We'll show you how a Blu agent would handle it, on your own telephony.