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Voice, IVR & Cloud Telephony

Reach customers with automated calls, build IVR menus and manage virtual numbers. Reliable voice solutions that scale with your business.

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  • Secure & Reliable
  • API & SDKs
  • 24×7 Support

Key features

Everything you need to run Voice at scale.

Voice broadcasts (OBD)

Send recorded or text-to-speech calls to thousands of customers at once.

Multi-level IVR

Build call menus that route callers to the right team or action.

Text-to-speech

Convert text into natural voice in English, Hindi and other languages.

Virtual & toll-free numbers

Get local, mobile or toll-free numbers for inbound calls.

Click-to-call

Connect customers and agents without sharing personal numbers.

Call recording & analytics

Record calls and track answer rates, duration and key presses.

How it works

Go live in three simple steps.

  1. Choose your numbers

    Pick a caller ID or virtual number for your campaigns and inbound lines.

  2. Build your call flow

    Upload audio or type text, then design IVR options in the visual builder.

  3. Launch and analyse

    Run campaigns and see answers, key presses and call duration live.

Popular use cases

Payment & EMI reminders

Automated reminders with an option to pay or talk to an agent.

Voice OTP

Deliver one-time passwords by voice call as an SMS backup.

Customer support IVR

Route callers to sales, support or self-service options.

Order confirmation calls

Confirm cash-on-delivery orders with a key press.

For developers

Integrate in minutes

Use the TalkNest REST API, SDKs and webhooks to send messages from your app, website or CRM. Test safely with sandbox keys before going live.

  • REST API with clear documentation
  • SDKs for Node.js, Python, PHP and Java
  • Real-time delivery webhooks
Read the API docs
Example request202 Accepted
POST /v1/calls
{
  "to": "+91XXXXXXXXXX",
  "caller_id": "+91XXXXXXXXXX",
  "tts": "Your EMI of 4,500 rupees is due on 5 November.",
  "language": "hi-IN",
  "ivr": { "1": "pay_now", "2": "agent" }
}

Frequently asked questions

What is an OBD call?

Outbound dialing (OBD) is an automated call sent to many customers at once, using a recorded message or text-to-speech.

Can callers press keys to respond?

Yes. IVR menus capture key presses (DTMF) so callers can confirm, choose options or connect to an agent.

Which languages are supported for text-to-speech?

English, Hindi and several other Indian and international languages are supported.

Can I get a toll-free number?

Yes. TalkNest provides toll-free, virtual mobile and landline numbers, subject to KYC.

Works great with

Bulk SMS & OTP Gateway

Send transactional and promotional SMS globally with high deliverability.

Learn More

WhatsApp Business API

Engage customers on the world's most popular messaging platform.

Learn More

AI ChatBot

AI-powered chatbots to automate support and improve customer experience.

Learn More

Ready to Power Your Customer Communication?

Join thousands of businesses already growing with TalkNest.

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  • Dedicated Support
  • Flexible Pricing
  • Global Coverage