Numverify

Numverify is a REST API that validates phone numbers globally. It returns carrier information, geographic location, and line type (mobile, landline, VoIP) for any number you submit.

What it does

Send a phone number to Numverify's API, and it checks against telecom databases to confirm validity, identify the carrier (e.g., AT&T, Vodafone), and determine the country and region. It also flags numbers that are invalid or disconnected.

Who it is for

Numverify is built for developers, e-commerce platforms, and marketing teams. Developers use it to validate user phone numbers on signup forms. E-commerce platforms reduce fraud by checking billing phone numbers. Marketing teams clean phone lists before SMS campaigns. It is not designed for high-volume enterprise use without custom pricing.

Real use cases

• Verify phone numbers during user registration to prevent fake accounts
• Validate billing numbers for fraud detection in online checkout
• Clean contact lists for SMS marketing to reduce bounce rates
• Identify line type (mobile vs. landline) for targeted communications

• Number validation — Checks if a phone number is valid, reachable, and formatted correctly
• Carrier lookup — Returns the telecom carrier (e.g., AT&T, T-Mobile, Orange)
• Location data — Provides country, region, and city for landline numbers
• Line type detection — Identifies if the number is mobile, landline, VoIP, or toll-free
• Batch processing — Validate multiple numbers in a single API call
• HTTPS encryption — All requests are secured with 256-bit SSL encryption
• Global coverage — Supports phone number validation for 232 countries