Real-Time Mobile Phone Validation API

Trestle provides cutting-edge solutions with our Mobile Phone Validation API, designed to help businesses like yours ensure the accuracy and authenticity of mobile numbers in real-time. Perfect for lead management, call operations and use in AI models.

  • id: "Phone.3dbb6fef-a2df-4b08-cfe3-bc7128b6f5b4",
  • phone_number: "2069735100",
  • is_valid: true,
  • activity_score: 57,
  • country_calling_code: "1",
  • country_code: "US",
  • country_name: "United States",
  • line_type: "NonFixedVOIP",
  • carrier: "Level 3 Communications, LLC",
  • is_prepaid: false

Use Cases for Our Mobile Phone Validation API


Line Type

Provides seven unique line types, including mobile, fixed and non-fixed VoIP, landline, premium, toll-free, and voicemail service.

Validity Checks

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


Identifies all U.S.-based carriers, including MVNOs.

Phone Activity Score

Indicates if a phone is connected or disconnected. 

Prepaid Status

Indicates whether a mobile number is part of a prepaid plan.


Phone Numbers Tracked


QPS (up to)



Benefits of Our Mobile Phone Validation API

Trestle’s Mobile Phone Validation API provides several benefits that can be valuable for businesses and organizations. Here are some of the key advantages of our mobile validation solution:

Improved Contactability

Validate mobile numbers instantly to enhance user engagement and reduce communication barriers.

Enhanced Data Accuracy and Quality

Filter out invalid and fake numbers by utilizing our mobile number verification service.

Enhanced Security and Compliance

Protect your business from fake accounts and maintain compliance with advanced mobile number verification and mobile phone number intelligence solutions.

Mobile Phone Validation API Pricing




1,000 queries per month

Small Business



5,000 queries per month


Custom Pricing

Uncapped queries

Get your free API key today