Phone Validation API

Validate phone numbers, determine carrier name, line type, and prepaid status, and identify disconnected phone numbers with a phone activity score.

{
  • 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
}

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Try any phone number

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Is Valid

Analyzes the number syntax and whether it is a valid US or CA number.

{ 
is_valid: Ready...
}

Activity Score

Indicates whether the phone is connected or disconnected, and returns a 1–100 rating for phone activity volume.

{ 
activity_score: Ready...
}

Line Type

Identifies line type of the phone behind the number.

{ 
line_type: Ready...
}

Carrier

Identifies the carrier of the phone line behind the number.

{ 
carrier: Ready...
}

Country

Identifies the country code and country name associated with the number.

{ 
country_name: Ready...
}

Is Prepaid

Indicates whether the number is a prepaid line.

{ 
is_prepaid: Ready...
}

Phone Validator API Use Cases

Features

Phone Activity Score

Indicates if a phone is connected or disconnected. 

Validity Checks

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

Carrier

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

Line Type

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

Prepaid Status

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

Built by Developers, for Developers

Built for Speed

Built for Scale

Built for Reliability

World-Class API Documentation & SDKs

Customer-Obsessed Technical Support

1B+

Phone Numbers Tracked

1,000

QPS (up to)

99.99%

Uptime

Benefits

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

Improved Conversion Rates

Weeding out junk leads with invalid, temporary, or disconnected numbers with Phone Validation API ensures sales teams can focus on the best leads and improve conversions.

Improved Data Quality

Ensure that the phone numbers collected or stored in your systems are valid and connected. By validating phone numbers in real-time, you can detect and eliminate incorrect, disconnected, or fake numbers from your lead lists and CRM systems.

Improved Message Deliverability

Boost your delivery rates and cut unnecessary costs with Phone Validation API. Distinguish mobile numbers from landlines and VOIPs and optimize SMS routing with carrier data for optimal delivery, ensuring your messages reach the right audience.

Reduce Fraud and Fake Accounts

Protect against fraud with authoritative phone intelligence data. Phone Validation API uses real-time risk signals to detect fraud and trigger step-up authentication when needed.

Enhanced Customer Experience

Phone Validation API provides a better experience with passive authentication for legitimate users using phone metadata intelligence, while step-up authentication is only triggered when needed for suspicious sign-ups.

Phone Validation API Pricing

Starter

$49

/month

1,000 queries per month

Small Business

$95

/month

5,000 queries per month

Enterprise

Custom Pricing

Uncapped queries

Integrations

Making APIs easily accessible, coding experience or not.

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Phone Validation API key today