Phone Validation

Overview

Abstract’s Phone Validation API parses and validates international phone numbers — country, line type, carrier, and location. Auth is an API key (an invalid key returns 401, verified).

Quick Start

Validate (replace YOUR_KEY):

curl "https://phonevalidation.abstractapi.com/v1/?api_key=YOUR_KEY&phone=14155552671"

{
  "valid": true,
  "number": "14155552671",
  "local_format": "4155552671",
  "international_format": "+14155552671",
  "country_prefix": "+1",
  "country_code": "US",
  "country_name": "United States of America",
  "location": "San Francisco",
  "carrier": "Verizon",
  "line_type": "mobile"
}

Authentication

• Register at abstractapi.com → free API key (emailed).
• Send it as the api_key query parameter (invalid key → 401, verified).

Rate Limits & Notes

• Free tier: 100 validations/month (check current docs); paid plans scale.
• Key fields: valid, country_code, location, carrier, line_type.
• Handles international numbers in various input formats.

FAQ

Is Abstract’s Phone Validation free? Free tier: 100 validations/month; more is paid.

How do I get a key? Register at abstractapi.com — the key is emailed.

What does it return? Validity, country, location, carrier, and line type.