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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Reach and engage more users
Reduce operational costs
Get the highest voice quality

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

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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Global Coverage

Unmatched Global Coverage

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

Reliability

Exceptional Reliability

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

Customer Service

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.

Voice Transaction Confirmation

Make, Receive And Control Calls

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

Voice Digits

Collect Digits (DTMF Tones)

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

Voice Stream Audio

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.

Voice Text to Speech

Text-To-Speech

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

Monitor voice Traffic

Monitor Traffic

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

Voice IVR flows

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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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.