Live phone number verification playground

Phone Validation API Demo

Test phone validity, carrier lookup, line type detection, geographic data, and risk signals before you integrate the API into forms, CRM workflows, or SMS delivery.

📱 Test with sample phone numbers:

JSON Response
{
  "loading": "..."
}

Complete Validation

Full phone analysis including format validation, carrier detection, line type, and geographic data

< 50ms response

Get instant validation results with detailed JSON response showing all verification checks

Advanced Features

Test fraud detection, number portability, timezone information, and risk scoring

What You Can Test

📱
Mobile Numbers
Cell phone validation
☎️
Landlines
Fixed line phones
🌐
VoIP
Internet phones
📡
Carrier Info
Network provider
Invalid
Bad format/number
🚫
High Risk
Fraud detection
📍
Location
City & timezone
🔄
Ported
Number portability

Sample Phone Numbers to Test

✅ Valid Numbers

  • +18013605555 (US Mobile)
  • +442079460958 (UK Landline)
  • +33612345678 (FR Mobile)

❌ Test Cases

  • +11234567890 (invalid format)
  • +15555551234 (test number)
  • 8013605555 (missing country code)

API Response Fields

number

The phone number being validated

valid

Phone number validity status

isDisposable

Disposable/temporary number detection

carrier

Network carrier information

type

Line type (mobile/landline/VoIP)

country

Country code and name

geo

Geographic location (city/state)

nationalNumber

Local/national format number

timezones

Timezone information array

Ready to Integrate Phone Validation?

Start validating phone numbers in production today

Professional service • Instant setup

Quick Integration Examples

💻 cURL

# Basic validation
curl -X GET "https://api.phone-check.app/v1-get-phone-details?phone=+18013605555"
-H "accept: application/json"
-H "x-api-key: your-api-key"

JavaScript

const response = await fetch(
'https://api.phone-check.app/v1-get-phone-details?phone=+18013605555',
{
headers: {
'accept': 'application/json',
'x-api-key': 'your-api-key'
&rbrace;
&rbrace;
);
const result = await response.json();

Why Developers Choose Phone-Check.app

50ms
Average Response Time
🌍
232
Countries Supported
🔒
99.6%
Accuracy Rate
📊
100M+
Phones Validated

Complete Feature Set

Real-time validation
Carrier detection
Line type check
Fraud detection
Format correction
Geographic data
Timezone info
Bulk validation
Portability check
VoIP detection
E.164 formatting
RESTful API