Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Phone Number Validation Software

numlookupapi.com vs APIFreaks Phone Validation API

  • Updated Oct 2026
  • Both researched from official sources
  • 7 checks side by side
Higher score numlookupapi.com #6 in Phone Number Validation Software 8.7/10 Free plan Free plan✓ 3 of 4 features Try numlookupapi.com

numlookupapi.com leads on 1 check, APIFreaks Phone Validation API on 1, 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 scorenumlookupapi.com · 8.7/10
  • Lowest starting pricenumlookupapi.com · $9.99/mo
  • Free planboth
  • Most featuresAPIFreaks Phone Validation API · 4 of 4

numlookupapi.com scores higher on our rubric for phone number validation software: 8.7 against 8.6 out of 10; our editors rank them #6 and #7.

numlookupapi.com is cheaper to start at $9.99/mo against $20/mo. APIFreaks Phone Validation API leads on monthly lookup limit: 300000 lookups/mo versus 5000 lookups/mo.

numlookupapi.com is the better fit for low-cost developers using common SDKs. APIFreaks Phone Validation API is the better fit for large-scale API and bulk validation.

  • numlookupapi.com fits best

    Low-cost developers using common SDKs

  • APIFreaks Phone Validation API fits best

    Large-scale API and bulk validation

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature numlookupapi.com 8.7/10 Visit ↗ APIFreaks Phone Validation API 8.6/10 Visit ↗
At a glance
Editor score 8.7 8.6
Ranking #6 in Phone Number Validation Software #7 in Phone Number Validation Software
Best for Low-cost developers using common SDKs Large-scale API and bulk validation
Pricing model Free plan + paid Free plan + paid
Starting price $9.99/mo (best) $20/mo
Free plan ✓ ✓
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Email Email, Phone, Docs · 24/7
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features numlookupapi.com 3/4 · APIFreaks Phone Validation API 4/4
Line type data ✓ ✓
Carrier data ✓ ✓
Reachability data ✓ ✓
Bulk validation Not checked yet ✓ (best)
Specs
Validation modes Not checked yet Api
Monthly lookup limit 5000 lookups/mo 300000 lookups/mo (best)
Our review
Pros
  • Free plan with 100 requests per month
  • Carrier, line-type, country, location, and format data
  • Official JavaScript, Ruby, PHP, and Python SDKs
  • Supports phone numbers from 200+ countries
  • Provides bulk validation and four normalized output formats
  • Returns carrier, line-type, location, and time-zone data
Cons
  • Free plan is limited to 100 requests
  • Basic includes only one API key
  • Listed SDK support covers four programming languages
  • The $20 Lite plan does not state an included API-credit quota
  • Successful phone-validation requests consume 2 API credits each
  • Enterprise pricing and support terms are custom
Our verdict

numlookupapi.com is a JSON REST API for validating and enriching phone numbers. It suits developers and businesses that need to check validity and retrieve phone-number details inside applications. The API returns validity status,…

Read the review →

APIFreaks Phone Validation API is a REST service for developers and teams that need to verify phone numbers, enrich records, or normalize contact data. It checks possible and valid status against international numbering plans, then can…

Read the review →
  1. numlookupapi.comPhone Number Validation Software 8.7Free plan
  2. APIFreaks Phone Validation APIPhone Number Validation Software 8.6Free plan

Strengths and trade-offs

  • numlookupapi.com — where it wins

    • Free plan with 100 requests per month
    • Carrier, line-type, country, location, and format data
    • Official JavaScript, Ruby, PHP, and Python SDKs

    Where it doesn't

    • Free plan is limited to 100 requests
    • Basic includes only one API key
    • Listed SDK support covers four programming languages
  • APIFreaks Phone Validation API — where it wins

    • Supports phone numbers from 200+ countries
    • Provides bulk validation and four normalized output formats
    • Returns carrier, line-type, location, and time-zone data

    Where it doesn't

    • The $20 Lite plan does not state an included API-credit quota
    • Successful phone-validation requests consume 2 API credits each
    • Enterprise pricing and support terms are custom

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update