Phone Number Validation & Lookup

GET

Comprehensive phone number validation, formatting, and lookup API supporting international phone numbers with country detection, format normalization, and line type identification.

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GET

About this API

Professional phone number validation API powered by Google's libphonenumber library. Features include phone number validation, format normalization (E.164, international, national), country code detection, line type identification (mobile, landline, VoIP), and carrier information lookup. Supports all international phone number formats with multiple output formats (JSON, text, CSV). Perfect for user verification, fraud prevention, and CRM data cleaning.

Endpoint

https://apistack.online/api/utilities/phone-number-validation/v1

Method

GET

Category

utilities