Phone Number Intelligence

Validate Any Phone
Number Worldwide

Instantly check whether any phone number is mobile, landline, or VoIP. Get carrier info, country, region, and line type via our simple REST API.

195+
Countries
99.9%
Uptime
<100ms
Response Time
Phone Validation API
Mobile · Landline · VoIP Detection
{
  "valid": true,
  "number": "+14155552671",
  "country": "United States",
  "line_type": "mobile",
  "carrier": "AT&T Mobility",
  "location": "San Francisco"
}

Free Phone Number Checker

Enter any phone number with country code to get instant validation results

195+ Countries
Mobile/Landline/VoIP
Carrier Detection
Free to Try
Features

Everything You Need to Know About a Number

Our phone validation API delivers comprehensive data — from basic validity to carrier, line type, and geographic information.

Real-time Validation

Instantly verify any phone number is valid, callable, and properly formatted according to E.164 international standards.

Line Type Detection

Accurately classify numbers as mobile, landline, VoIP, toll-free, premium rate, or pager across all 195+ countries.

Carrier Identification

Identify the mobile network operator (MNO) or telecom carrier responsible for the phone number you're validating.

Geographic Data

Get the country, region/city of origin, and international dialing format for any phone number worldwide.

Easy Integration

Simple JSON REST API that integrates with any language or platform in minutes. WordPress plugin also available.

Continuously Updated

Our phone database is updated weekly and monthly with new carrier data, area codes, and number range assignments.

API Integration

Integrate in Minutes

Simple JSON API with clean endpoints. Full docs at our developer portal.

WordPress Plugin Available

Our ProWebLook Phone Validator WordPress plugin harnesses the power of our API to validate phone numbers directly in your WordPress forms. Easily integrated within any CRM or CMS with basic programming experience.

Phone number checker

Powerful & Scalable

From a thousand requests a month to several million a day — our scalable cloud infrastructure has got you covered at any stage of growth. 99.9% uptime SLA, globally distributed.

Get Started Free
Scalable

Flexible Pricing Model

We offer subscription pricing models starting with a free account. You can pay through PayPal or Credit Card, or start with 10 free credits — no credit card required. Cancel anytime.

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Pricing
Pricing

Pricing

We provide flexible and competitive price model.

STARTER PHONE API
USD 9.99
Recurring every 1 month
  • 2000 request
  • API for Phone Validation
  • Unlimited Support
  • HTTPS Encryption
Pay (Paypal)
ENTERPRISE PHONE API
USD 149.99
Recurring every 1 month
  • 30000 request
  • API for Phone Validation
  • Unlimited Support
  • HTTPS Encryption
Pay (Paypal)

This API provides phone number info. For WhatsApp pricing, see our pricing page.

Testimonials

Trusted by Thousands of Developers

"Phone Number Checker is a simple yet powerful API that takes a phone number and returns whether or not it is valid, as well as carrier and type. These checks save us hours every week."

PS
Peter Szulczewski
CEO, Wish

"Tapping into ProWebLook has had a big impact on our business and customers. The delivery rate, accuracy and ease of integration can't be compared to other channels."

WS
Wahyu Saputra
Head of Product

"WorldRemit needed reliable phone validation for our money transfer flows. ProWebLook delivers instant, accurate results across all 195+ countries we operate in."

AN
Alice Newton-Rex
CPO, WorldRemit

"The API opens a quick and easy way to validate our customers' contact numbers. It's aligned with our customer-centric strategy and provides excellent accuracy."

JD
José M. Dalmau
VP Business Development
FAQ

Frequently Asked Questions

The Phone Number Checker API validates whether a phone number is valid, along with additional details such as country, region, carrier, line type (mobile/landline/VoIP), and properly formatted international number. It can run checks asynchronously or in real-time.
The API supports phone numbers from 195+ countries and territories worldwide — from Afghanistan to Zimbabwe. Every country with international phone number standards (E.164) is fully supported.
To ensure extensive coverage in every country and line type, we use multiple databases that are regularly ingested and cross-referenced. Numerous updates are made daily, with substantive updates to the phone data collection made weekly and monthly.
ProWebLook Phone API is built on a highly scalable cloud infrastructure capable of handling anything from a thousand phone lookups per month all the way up to several million API requests per hour — with no performance degradation.
Yes! You can cancel your subscription at any time with no penalties or cancellation fees. Your access will remain active until the end of the current billing period.
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