2) Trestle Phone Validation API

The Trestle Phone Validation API is a comprehensive real-time phone validation service that supports over 240 countries. It offers features such as carrier look-up, line type detection, and geolocation, ensuring the accuracy and validity of phone numbers for both real-time and bulk validation needs.
API Features
- Global Coverage: Validates phone numbers from over 240 countries, ensuring comprehensive international reach.
- Carrier Lookup: Retrieves details about the carrier associated with the phone number, aiding in user verification.
- Geolocation and Timezone Detection: Determines the region, city, and timezone of the phone number, helping in planning communication strategies.
Trestle Phone Validation API Pricing
Phone Validation API: $0.015 per query. Validates phone numbers, determines carrier name, line type, prepaid status, and identifies disconnected phone numbers with a phone activity score.
Real Contact API: $0.03 per query. Verifies phone, email, and address information with contact grades, a phone activity score, and name matches.
Reverse Phone API: $0.07 per query. Verifies and enriches phone numbers to owner names, demographics, phone metadata, current addresses, and email addresses.
Reverse Address API: $0.07 per query. Enriches addresses with demographics, historical addresses, email addresses, and associated phone numbers.
Find Person API: $0.07 per query. Enriches individual information, including name, demographics, current and historical addresses, phone numbers, and email addresses.
Trestle Phone Validation API's pricing is not public. Contact their support for more info.
3) Amazon Pinpoint Phone Number Validation

Amazon Pinpoint Phone Number Validation is a service designed to ensure the accuracy and validity of phone numbers. It helps businesses improve message deliverability and reduce fraud by verifying phone numbers in real-time.
API Features
- Real-Time Validation: Ensures phone numbers are accurate and active at the moment of validation, reducing the risk of message delivery failures.
- Carrier and Line Type Detection: Identifies the carrier and type of phone line (e.g., mobile, landline) to optimize communication strategies.
- Fraud Prevention: Helps detect and prevent fraudulent activities by verifying the legitimacy of phone numbers before they are used.
Amazon Pinpoint Phone Number Validation Pricing
- Monthly Targeted Audience (MTA): $0.0012 per endpoint after the first 5,000 free endpoints.
- Events: $0.000001 per event after the first 100,000,000 free events.
- Deliverability Dashboard: $1,250 per month, including monitoring for up to five domains and 25 predictive email placement tests. Additional charges apply for extra domains and tests.
- Dedicated IP Addresses: $24.95 per month per IP address.
- Amazon Pinpoint Phone Number Validation's pricing is not public. Contact their support for more info.
4) Veriphone

Veriphone is a versatile phone number validation service that ensures the accuracy and validity of phone numbers globally. It offers features such as phone number format validation, carrier detection, and geolocation, making it an essential tool for businesses aiming to maintain clean and reliable contact databases.
API Features
- Phone Number Format Validation: Ensures that phone numbers adhere to international formatting standards, reducing errors in data entry.
- Carrier Detection: Identifies the carrier associated with a phone number, aiding in the verification process and optimizing communication strategies.
- Geolocation: Determines the geographical location of a phone number, helping businesses tailor their services and communications based on regional data.
Veriphone Pricing
- STARTER: $6.99/month for 5,000 verifications and live-chat & email support.
- PROFESSIONAL: $29/month for 50,000 verifications and live-chat & email support.
- BUSINESS: $79/month for 250,000 verifications and live-chat & email support.
- ENTERPRISE: $199/month for 1 million verifications and phone, live-chat & email support.
- FREE Plan: 1,000 verifications per month, no credit card required.
5) Numverify

Numverify is a robust phone number validation service that ensures the accuracy and validity of phone numbers worldwide. It offers features such as carrier detection, line type identification, and geolocation, making it an essential tool for businesses aiming to maintain clean and reliable contact databases.
API Features
- Global Coverage: Supports phone number validation and carrier lookup for 248 countries and territories, ensuring comprehensive international reach.
- Data Privacy: Provides end-to-end encryption and automatic deletion of validated phone numbers, ensuring the highest level of data privacy.
- Real-Time API: Offers a fast and efficient real-time API for instant phone number validation, making it ideal for dynamic applications.
Numverify Pricing
- Free Plan: Offers 100 API requests per month with no support. Includes real-time number validation, carrier and line type detection, and country and location detection.
- Basic Plan: Costs $14.99 per month or $161.99 per year for 5,000 API requests. Standard support is provided along with real-time number validation and 256-bit HTTPS encryption.
- Professional Plan: Priced at $59.99 per month or $629.99 per year, it includes 25,000 API requests. Features standard support, real-time number validation, and carrier detection.
- Enterprise Plan: Costs $129.99 per month or $1,325.99 per year for 60,000 API requests. Offers standard support and includes real-time number validation and country detection.
- Volume Plan: Custom pricing for any volume needed. Specific features and support details are not specified.
What to Consider When Selecting a ClearoutPhone Alternative?
- Global Coverage: Ensure the service supports phone number validation for a wide range of countries to maintain international reach.
- Carrier and Line Type Detection: Look for features that identify the carrier and type of phone line (e.g., mobile, landline) to optimize communication strategies.
- Data Privacy and Security: Choose a service that complies with privacy regulations like GDPR and CCPA and offers robust encryption to protect user data.
- Real-Time API Integration: Opt for a service that provides a fast and efficient real-time API for instant phone number validation, ideal for dynamic applications.
- Pricing and Scalability: Consider the cost-effectiveness of the service, including free plans and volume discounts, and ensure it can handle large volumes of requests efficiently.
Which One Should You Go With?
Each of the phone validation services discussed offers unique features and pricing structures, making them suitable for various business needs. Whether you prioritize global coverage, data privacy, or real-time API integration, there's a solution that fits your requirements.
If you're looking for a reliable alternative, we recommend Abstract API. With its robust features, ease of integration, and competitive pricing, Abstract API stands out as a top choice for businesses aiming to maintain accurate and secure contact databases. Sign up today to experience the benefits firsthand.