PhoneID API

TeleSign’s PhoneID  helps you improve the accuracy and fidelity of your user verification intelligence. Our advanced mobile identity and fraud protection lets you spend less time worrying about fraud and more time delighting your customers.

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Safer, Smarter Online Experiences

TeleSign's PhoneID API helps you validate customers’ identities without adding friction by delivering real-time behavioral data, phone number intelligence, and mobile identity analytics based on the information you’re already collecting.

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Easy Integration

One API for phone number intelligence and customer mobile identity.

Increased Accuracy

Real-time phone number intelligence for smarter and faster decision making.

Global Reach

Direct connections to 700+ network operators worldwide.

PhoneID in Action

Reformat global phone numbers to meet country code dialing standards and improve deliverability instantly with PhoneID API. Receive subscriber characteristics including mobile device-type, telecom carrier name, and phone registration information in real-time. Need more even more data? We've got you covered.

Contact

Get the name and address associated with a number from carrier subscriber contact data.

Contact Match

Get a risk score of 0-100 matched against carrier subscriber information.

SIM Swap

Know if a SIM has been swapped and the likelihood of fraudulent SIM swap.

Number Deactivation

Know when the number was deactivated based on carriers’ record.

Subscriber Status

Current account activation date, prepaid or postpaid, active, suspended, deactivated, account type, primary account holder, length of account tenure, date of last status change.

Porting History

Know if a number is ported, which carrier currently has the number, and the porting history for the last 90 days.

PhoneID in Action

Reformat global phone numbers to meet country code dialing standards and improve deliverability instantly with PhoneID API. Receive subscriber characteristics including mobile device-type, telecom carrier name, and phone registration information in real-time. Need more even more data? We've got you covered.

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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Safer, Smarter Online Experiences

TeleSign's PhoneID API helps you validate customers’ identities without adding friction by delivering real-time behavioral data, phone number intelligence, and mobile identity analytics based on the information you’re already collecting.

MAIN BENEFITS

True Global Data Coverage

Answer critical questions about your users with valuable data available in over 230 countries and territories. Data coverage by country varies by API.

Strengthen Authentications & Reduce Fraud

Instant API access to ongoing and accurate key phone number and user identity data attributes to help make better decisions about new registrations, user activity and fraud risks.

Easy Integration

Do business with confidence, improve conversions, and maintain compliance with real-time data on phone numbers and users in the optimal format for faster decision-making.

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We were looking at several vendors, TeleSign won out as our CPaaS provider because of their demonstrated security expertise, high quality direct-to-carrier routes, and global coverage. We use them to send both SMS notifications and security 2FA messages.

Dave Engberg

CTO, Evernote

How PhoneID 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.