No. 3 of 27 ·Phone Number Validation Software

IPQualityScore Phone Validation API

Web · API

Freedom report

Two barsScore 6.4

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

IPQualityScore Phone Validation API is ranked #3 of 27 in phone number validation software on Freedom251. It runs on API, Web. There is a free plan. A free trial is offered.

IPQualityScore Phone Validation API plans and pricing

All plans

Phone Validation API Free Average per-user lookup price; monthly volume tiered flat-rate pricing; no monthly contracts 1,000 free lookups per month · rates decrease with monthly volume · additional DNC scrubbing and TCPA litigator checks available ipqualityscore.com · 2 Oct 2026

Compared on phone number validation software

Free plan: Yes
Paid from: $99/mo
Line type data: Yes
Carrier data: Yes
Reachability data: Yes
Bulk validation: Yes
Monthly lookup limit: 5,000 lookups/mo

Best IPQualityScore Phone Validation API alternatives

See all 12

Two bars Accessibility Test Framework for Android Free tier No. 1Free6.6 One bar Abstract Email Validation API Free tier No. 2$17/mo6.4 One bar PhoneValidationAPI Free tier No. 4$14.99/mo6.4 One bar Neutrino Phone Validate Free tier No. 5£8/mo6.3 No signal HLR Lookup Paid plans No. 6—5.5 No signal APIFreaks Phone Validation API Paid plans No. 7$41.67/mo5.4

The record

Purpose: The API validates phone numbers and scores their reputation to help identify suspicious users and invalid information in real time.
Coverage: IPQS says its phone validation supports all countries, carriers, and line types, including mobile, landline, VOIP, toll-free, and virtual numbers.
Validation signals: Checks include number syntax, active connection status, carrier, line type, porting, and disconnected status.
Risk detection: The service analyzes reputation and abusive behavior history and can detect disposable numbers, VOIP lines, and temporary SMS numbers.
Identity enrichment: Reverse lookups can return a subscriber or business name, with the product page reporting around 90% hit rates for most US and Canadian numbers.
API formats: The API supports real-time queries and returns data in JSON or XML formats.
Integrations: IPQS lists Salesforce and HubSpot integrations that include phone validation or user validation signals.
Support: The phone validation page says its support team is available seven days per week and typical response times are within a few minutes.
Accuracy claim: IPQS says its data scientists maintain over 99% accuracy analyzing user data including US, Canadian, and international phone numbers.
Security and compliance: The company page displays SOC 2 Type II and ISO 27001 compliance or certification badges and a FIDO membership badge.
Users: The product page names lead generation, marketers, call centers, data providers, SaaS services, ecommerce retailers, developers, and financial institutions as users.
API input note: The API documentation advises supplying at least 10 digits or a valid country for best results with short numbers.
Founded: 2011
Headquarters: Las Vegas, Nevada, USA
Price from: Free

Where it ranks on Freedom251

Best Phone Number Validation Software in 2026#3 of 27

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Sources

ipqualityscore.com/solutions/phone-validation· checked 2 Oct 2026
ipqualityscore.com/plugins-integrations· checked 2 Oct 2026
ipqualityscore.com/about-us· checked 2 Oct 2026
ipqualityscore.com/documentation/phone-number-validation-a· checked 2 Oct 2026