2) Loqate Phone Validation

Loqate Phone Validation is a robust solution designed to ensure the accuracy and validity of phone numbers in real-time. It helps businesses reduce fraud and improve customer contact rates by verifying phone numbers before they are used.
API Features
- Instant Integration: Allows businesses to go live in 150+ countries within 5 minutes using pre-registered Sender IDs and templates.
- Fraud Shield: An AI-driven model that detects and blocks fraudulent messages, preventing SMS pumping fraud at no extra cost.
- Multi-channel Reach: Supports sending OTPs via SMS, Voice, and WhatsApp, with RCS and Email coming soon.
Loqate Phone Validation Pricing
- £2500 Plan: Offers a cost per lookup of 3.1p for phone validation services.
- £1000 Plan: Provides a cost per lookup of 3.7p for phone validation services.
- £500 Plan: Includes a cost per lookup of 4.5p for phone validation services.
- £250 Plan: Features a cost per lookup of 5.3p for phone validation services.
- £100 Plan: Has a cost per lookup of 6.1p for phone validation services.
3) Trestle Phone Validation API

Trestle Phone Validation API is designed to validate customer phone numbers at the point of onboarding, enhancing account protection and customer experience during two-factor authentication (2FA) security processes.
API Features
- Real-time Validation: Instantly verifies phone numbers during the onboarding process to ensure accuracy and reduce fraud.
- Global Coverage: Supports phone number validation for over 240 countries and territories, making it a versatile solution for international businesses.
- Seamless Integration: Easily integrates with existing systems and platforms, enhancing the customer experience without disrupting current workflows.
Trestle Phone Validation API Pricing
- Phone Validation API ($0.015/query): Validate phone numbers, determine carrier name, line type, prepaid status, and identify disconnected phone numbers with a phone activity score.
- Real Contact API ($0.03/query): Verify phone, email, and address information with contact grades, a phone activity score, and name matches.
- Reverse Phone API ($0.07/query): Verify and enrich phone numbers to owner names, demographics, phone metadata, current addresses, and email addresses.
- Reverse Address API ($0.07/query): Enrich addresses with demographics, historical addresses, email addresses, and associated phone numbers.
- Find Person API ($0.07/query): Enrich individual information, including name, demographics, current and historical addresses, phone numbers, and email addresses.
4) Veriphone

Veriphone is a comprehensive phone validation service that ensures phone numbers are valid, connected, and assigned to a carrier, helping businesses improve data quality and reduce fraud.
API Features
- Phone Activity Score: Provides a score indicating the activity volume of the phone number, helping to determine if the phone is connected or disconnected.
- Line Type Identification: Categorizes the phone number into one of seven line types, such as mobile, fixed VoIP, non-fixed VoIP, landline, premium, toll-free, and voicemail service.
- Prepaid Status: Indicates whether the phone number is associated with a prepaid mobile plan.
Veriphone Pricing
- STARTER: $6.99/month for 5,000 verifications per month with live-chat and email support.
- PROFESSIONAL: $29/month for 50,000 verifications per month with live-chat and email support.
- BUSINESS: $79/month for 250,000 verifications per month with live-chat and email support.
- ENTERPRISE: $199/month for 1 million verifications per month with phone, live-chat, and email support.
- FREE Plan: 1,000 verifications per month, free forever with no credit card required.
5) Numverify

Numverify is a powerful phone validation service that ensures phone numbers are accurate, valid, and assigned to the correct carrier, helping businesses enhance data quality and reduce fraud.
API Features
- Validation: Instantly checks if a phone number is valid across 248 countries and territories.
- Formatting: Rewrites valid phone numbers in standard international or local formats.
- Location Identification: Determines a phone number's country based on its prefix or the requesting IP address.
Numverify Pricing
- Free Plan: Offers 100 API requests per month with no support.
- Basic Plan: Costs $14.99 per month and includes 5,000 API requests with standard support.
- Professional Plan: Priced at $59.99 per month, providing 25,000 API requests and standard support.
- Enterprise Plan: Available for $129.99 per month, offering 60,000 API requests and standard support.
- Volume Plan: Custom pricing based on required API request volume; contact support for details.
What to Consider When Selecting a Plivo Verify API Alternative?
- Global Coverage: Ensure the API supports phone number validation across multiple countries to cater to a diverse customer base.
- Fraud Protection: Look for features like AI-driven fraud detection to prevent fraudulent activities and secure your verification process.
- Multi-channel Support: Opt for APIs that offer OTP delivery via SMS, Voice, and other channels to enhance user reach and flexibility.
- Ease of Integration: Choose an API that provides comprehensive documentation and sample code snippets for quick and seamless integration.
- Cost-effectiveness: Consider the pricing structure and ensure there are no hidden charges, offering the best value for the volume of verifications needed.
Which One Should You Go With?
Each of the phone validation services discussed offers unique features and benefits, making them all viable options depending on your specific needs. Whether you prioritize global coverage, fraud protection, or cost-effectiveness, there's a solution that fits your requirements.
If you're looking for a robust alternative, we recommend signing up with Abstract API. With its comprehensive features, including fake number detection, carrier identification, and support for over 190 countries, Abstract API stands out as a reliable and secure choice for phone validation.