Caller Identification API

Identify a caller’s name and enrich contact data with comprehensive phone metadata, like carrier, line type, prepaid status, and crucial details, including demographics, email addresses, and current addresses.

  • id: "Phone.3dbb6fef-a2df-4b08-cfe3-bc7128b6f5b4",
  • phone_number: "2069735100",
  • is_valid: true,
  • country_calling_code: "1",
  • line_type: "NonFixedVOIP",
  • carrier: "Trestle Telco",
  • is_prepaid: false,
  • is_commercial: true,
  • : {11 items},
  • : [1 item],
  • emails: ""

Use Cases


Powerful Identification

Provides the full registered name behind the number.

Validity Checks

Shows whether a number is valid, assigned to a carrier, and is in-service.

Current Address Information

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

Advanced Phone Attributes

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

Email Addresses

See the list of email addresses associated with your contact.

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World-Class API Documentation & SDKs

Customer-Obsessed Technical Support




Phone-Name Linkages




QPS (up to)




Trestle’s Caller Identification API offers several benefits, especially for businesses and service providers. Here are some key advantages of using our phone number lookup API:

Call Authentication

Caller Identification API can help authenticate incoming calls by providing information about the caller. By verifying the caller’s identity, businesses can establish trust and ensure the security of their communication channels.

Call Routing and Prioritization

Caller Identification API allows businesses to route calls more efficiently. By identifying callers and their specific needs, companies and call centers can direct calls to the appropriate department or agent, reducing wait times and improving overall call handling.

Analytics and Insights

Caller Identification API provides valuable data and insights about incoming calls, helping to better understand customer behavior, optimize operations, and make data-driven decisions.

Enhanced Customer Experience

Caller Identification API enables businesses to personalize and improve the customer experience. With caller information, companies can greet customers by name, access their account details, and provide personalized service. This enhances customer satisfaction and builds stronger relationships.

CRM Integration

Caller Identification API can be integrated with customer relationship management (CRM) systems, allowing businesses to store and access caller information alongside other customer data. This integration streamlines processes, improves data accuracy, and enables comprehensive customer profiling.

Caller Identification API Pricing




1,000 queries per month

Small Business



5,000 queries per month


Custom Pricing

Uncapped queries


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