Programmable Voice API

Create the perfect communications solution, tailored for your business. Build fast, reliable and secure A2P, P2A and P2P voice applications directly into your web and mobile platforms.

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Programmable Voice API

Create the perfect communications solution, tailored for your business. Build fast, reliable and secure A2P, P2A and P2P voice applications directly into your web and mobile platforms.

Get started

Trusted Communications

Exceptional call experiences that connect you and your customer with automated voice notifications, reminders, number masking, and one-time passcodes.  Send and receive calls on the leading private voice network with 120+ optimized points of presence worldwide.

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Unmatched Global Coverage

Reach more customers with 120+ optimized points-of-presence and 700+ direct-to-carrier routes​.

Exceptional Reliability

Optimal performance with higher successful delivery rates than any leading competitor.

5-Star Customer Service

Premium customer support to strengthen communication, reduce costs, and ensure seamless customer interaction.

Voice in Action

Design A2P, P2P, and P2A calling experiences directly to provide a two-way voice communications for your web or mobile application.  Acquire and implement phone numbers across 120+ countries for local experience.  Reformat phone numbers for increased deliverability and record calls all from one powerful API.

Make, Receive And Control Calls

Programmatically control, make, receive, manage and route calls around the world – available in over 230 countries & territories.

Collect Digits (DTMF Tones)

Collect a series of DTMF digits during a call, prompting user to take action.

Stream Audio

Play your own audio files for voice greetings, call scripts, notifications – even use Amazon Polly for text-to-speech for lifelike automated voices.

Text-To-Speech

Convert text into a voice-based message using text-to-speech (TTS available in 26 languages & dialects).

Monitor Traffic

Automate traffic monitoring for red flags and suspicious patterns to help protect you from IRSF attacks.

Build Interactive Voice Response (IVR) Flows

Build easy-to-manage IVR flows with DTMF key prompts to send callers through pre-selected call flows – even follow up with automates surveys.

Voice in Action

Design A2P, P2P, and P2A calling experiences directly to provide a two-way voice communications for your web or mobile application.  Acquire and implement phone numbers across 120+ countries for local experience.  Reformat phone numbers for increased deliverability and record calls all from one powerful API.

Trusted by Top Companies

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“Working with TeleSign allowed us to quickly and effectively integrate SMS text messaging into our application.”

Rob Bauman
Director, Partner Engagement & Operations
EA

“We needed a partner that could scale to support our ever-expanding global footprint. TeleSign delivered the scale we were looking for.”

Chuck Mortimore
VP, Product Management, Identity, and Security
Salesforce
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Trusted Communications

Exceptional call experiences that connect you and your customer with automated voice notifications, reminders, number masking, and one-time passcodes.  Send and receive calls on the leading private voice network with 120+ optimized points of presence worldwide.

MAIN BENEFITS

Reach & Engage More Users

Strengthen customer relationships and even reach landline phones and users who cannot or do not wish to receive SMS messages.

Save On Voice Costs

Direct access to BICS network allows us to offer the best pricing for our customers. We pass savings directly to you.

Get The Highest Voice Quality

Utilize the best private voice network (120+ PoP across the globe) with over 700+ direct-to-carrier routes. Run on the best voice network directly, not through a third party and a lower performance voice network.

More Data

Automated voice traffic monitoring helps protect your business from IRSF attacks

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A hassle-free service experience is one of our top goals at Patelco. By adding Voice Verify we are now able to deliver OTP security tokens to all members regardless of phone type or data connectivity issues, which has increased member satisfaction and online banking adoption.

Nilendu Saha, Director,

Software Engineering And Enterprise Architect, Patelco

How Voice Works

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Talk To An Expert

Interested in learning about how TeleSign's identity and engagement solutions can prevent fraud while fostering secure and global growth for your business? Let's chat.