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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Provide global data coverage
Improve customer experience
Strengthen account authentication

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.

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.

Increase Conversions

Verify your users, eliminate time-intensive authentications, and determine the best channel for message delivery with phone number based digital identities. TeleSign’s automated digital identity solutions help you do business with confidence.

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Mitigate Fraud

Provide a layer of security beyond passwords to confirm digital identities and validate user information. TeleSign strengthens account authentication and informs risk models to minimize your future fraud risk.

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Improve User Experiences

Customers expect secure online experiences but adding verification friction can drive away potential customers and hinder growth. Integrating detailed mobile identity data improves your decision making about users for better security and customer experience.

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Trusted by Top Companies

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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.

Build Trusted Identities

Customers expect secure online experiences but adding verification friction can drive away potential customers and hinder growth. Integrating detailed mobile identity data improves your decision making about users for better security and customer experience.

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Enable Secure Account Recovery

According to the FCC, 35+ million US phone numbers are reassigned each year, making discarded numbers a significant fraud risk. PhoneID confirms the digital identity of mobile devices to protect your brand reputation and comply with TCPA regulations.

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Get To Know Your Customer

Answer critical questions about users to improve required Know Your Customer checks. Increase your level of service while meeting AML compliance standards with complete phone number insights and digital identities to tell you who your customers really are.

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Resources

Ready to deliver
a trusted experience?

We’re ready to help you:
✓ Streamline & secure onboarding
✓ Reach your customers on the channels they trust
✓ Safeguard your customers’ accounts
✓ Establish comprehensive fraud protection