Your most promising customers identified.

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Reverse Phone API

Reverse Phone API validates a phone number and provides phone metadata, owner name and their demographics, current and historical addresses, associated people, and relatives. Typical use cases include caller identification, call routing, and lead verification and append.

Unlock powerful use cases:

Caller Identification

Get details associated with a number to build an agent screen pop, generate post-call analytics, or support call-tracking and attribution models.

Call Routing

Route known and unknown calls to the right agent or sales team member in real-time based on the phone metadata or caller’s demographic and location details.

Lead Attribution

Leverage up-to-date identity information to connect lead generation data with sales conversions for accurate attribution.

Lead Verification and Append

Leverage phone metadata and phone subscriber details to remove spam junk leads and append additional data that helps with lead conversion.

Lead Contactability and Prioritization

Prioritize leads with the best chance of contactability based on if the number is reachable, not disconnected or a temporary number, and belongs to the person who they say they are.


Powerful Identification

Provides the full registered name(s) behind the number.

Address Information

Shows the current address corroborated from 30+ years of address history and details on residence type, deliverability and more.


Includes gender, age-range and more of registered phone owner and address residents.

Advanced Phone Attributes

Includes line type, carrier, prepaid status, commercial flag and more.

Associated People and Relatives

Gives a list of related people and/or household members.

Alternate Numbers

Find additional phone numbers for subscriber(s), including mobile numbers and landlines.

Why Trestle?