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Head-to-head · Phone Number Validation Software

PhoneValidationAPI vs IPQualityScore Phone Validation API

  • Updated Oct 2026
  • Both researched from official sources
  • 7 checks side by side
Higher score PhoneValidationAPI #4 in Phone Number Validation Software 8.9/10 Free plan Free plan✓ 4 of 4 features Explore API
IPQualityScore Phone Validation API #9 in Phone Number Validation Software 8.4/10 Free plan Free plan✓ 4 of 4 features Visit IPQualityScore

PhoneValidationAPI leads on 2 checks, IPQualityScore Phone Validation API on 0, and 5 are even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scorePhoneValidationAPI · 8.9/10
  • Lowest starting pricePhoneValidationAPI · $14.99/mo
  • Free planboth

PhoneValidationAPI scores higher on our rubric for phone number validation software: 8.9 against 8.4 out of 10; our editors rank them #4 and #9.

PhoneValidationAPI is cheaper to start at $14.99/mo against $99/mo. PhoneValidationAPI leads on monthly lookup limit: 6000 lookups/mo versus 5000 lookups/mo.

PhoneValidationAPI is the better fit for API users needing diagnostics and batch checks. IPQualityScore Phone Validation API is the better fit for fraud and risk screening teams.

  • PhoneValidationAPI fits best

    API users needing diagnostics and batch checks

  • IPQualityScore Phone Validation API fits best

    Fraud and risk screening teams

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Side by side

Feature PhoneValidationAPI 8.9/10 Visit ↗ IPQualityScore Phone Validation API 8.4/10 Visit ↗
At a glance
Editor score 8.9 8.4
Ranking #4 in Phone Number Validation Software #9 in Phone Number Validation Software
Best for API users needing diagnostics and batch checks Fraud and risk screening teams
Pricing model Free plan + paid Free plan + paid
Starting price $14.99/mo (best) $99/mo
Free plan ✓ ✓
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Email, Docs Phone, Docs
Compliance GDPR SOC 2, ISO 27001, GDPR
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features PhoneValidationAPI 4/4 · IPQualityScore Phone Validation API 4/4
Line type data ✓ ✓
Carrier data ✓ ✓
Reachability data ✓ ✓
Bulk validation ✓ ✓
Specs
Validation modes Api Not checked yet
Monthly lookup limit 6000 lookups/mo (best) 5000 lookups/mo
Our review
Pros
  • Free plan includes validation, line-type, carrier, and disposable checks
  • Confidence labels and per-check diagnostics support clearer decisions
  • Professional supports asynchronous batches up to 10,000 numbers
  • Risk, reputation, disposable-number, and reachability checks
  • Detects mobile, landline, VoIP, toll-free, and virtual lines
  • Supports API lookups, CSV uploads, and broad integrations
Cons
  • HLR lookups are unavailable for now
  • Carrier identification is available only where data is available
  • The service does not send SMS or place calls for validation
  • Startup pricing begins at $99 per month
  • Listed monthly lookup limit is 5,000
  • Advanced capabilities require higher-tier or Enterprise plans
Our verdict

PhoneValidationAPI is a hosted REST service for developers who need to validate phone numbers without sending SMS or placing calls. It accepts E.164 and national-format input, then returns validity, country and region data, line type,…

Read the review →

IPQualityScore Phone Validation API verifies phone numbers through real-time API lookups and bulk CSV validation. It returns validation, activity, carrier, line-type, location, identity, risk, and reputation signals, including checks for…

Read the review →
  1. PhoneValidationAPIPhone Number Validation Software 8.9Free plan
  2. IPQualityScore Phone Validation APIPhone Number Validation Software 8.4Free plan

Strengths and trade-offs

  • PhoneValidationAPI — where it wins

    • Free plan includes validation, line-type, carrier, and disposable checks
    • Confidence labels and per-check diagnostics support clearer decisions
    • Professional supports asynchronous batches up to 10,000 numbers

    Where it doesn't

    • HLR lookups are unavailable for now
    • Carrier identification is available only where data is available
    • The service does not send SMS or place calls for validation

  • IPQualityScore Phone Validation API — where it wins

    • Risk, reputation, disposable-number, and reachability checks
    • Detects mobile, landline, VoIP, toll-free, and virtual lines
    • Supports API lookups, CSV uploads, and broad integrations

    Where it doesn't

    • Startup pricing begins at $99 per month
    • Listed monthly lookup limit is 5,000
    • Advanced capabilities require higher-tier or Enterprise plans
  • PhoneValidationAPI8.9/10 · Free plan

    A focused validation API with disposable detection, diagnostics, and a free plan.

    Explore APIFull verdict →
  • IPQualityScore Phone Validation API8.4/10 · Free plan

    A broad fraud-screening API with useful enrichment, but a high entry price and lookup limits.

    Visit IPQualityScoreFull verdict →

More comparisons

All phone number validation software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update