Popular API

Phone Validation API

Validate phone numbers with E.164 standard compliance, carrier detection, and comprehensive location data. Perfect for user registration, SMS services, and contact validation.

API Endpoint
https://phonevalidation.cleariflow.com/v1/?api_key=YOUR_API_KEY&phone=1234567890&country=US
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API Benefits

E.164 Standard

Validate phone numbers according to international E.164 standard with comprehensive format checking.

Global Coverage

Support for phone numbers from over 240 countries and territories worldwide.

Location Detection

Get detailed location information including country, region, and timezone data.

Carrier Information

Identify mobile carriers and service providers for enhanced user experience.

Number Type Detection

Distinguish between mobile, fixed-line, VoIP, and other number types.

Real-time Validation

Instant phone number validation with sub-200ms response times.

Key Features

E.164 format validation
240+ countries supported
Carrier and operator detection
Number type classification
Location and timezone data
International format conversion
Local format conversion
Mobile vs fixed-line detection
VoIP number identification
Possible number checking
Valid number verification
JSON response format
Quick Start Guide

1. Get your API key

Sign up for free and get instant access to your API key.

2. Make your first request

curl -X GET "https://phonevalidation.cleariflow.com/v1/?api_key=YOUR_API_KEY&phone=1234567890&country=US"

3. Handle the response

{
  "phone": "1234567890",
  "valid": true,
  "format": {
    "international": "+1234567890",
    "local": "(234) 567-890"
  },
  "country": {
    "code": "US",
    "name": "United States",
    "prefix": "+1"
  },
  "location": "New York",
  "type": "Mobile",
  "carrier": "Verizon"
}