
Phone Number Verification API
Easily validate users with our phone number verification API from Nexmo™

Two-factor authentication that boosts security, pain-free.
Verify phone numbers quickly with two-factor authentication. The API detects and automatically blocks numbers that are used for spam and fraud—so you’ll get peace of mind. (And your true customers get on with their day.)

Global reach with a local touch.
We partner with networks across the globe to address compliance. Plus, our local language and accent options can help increase your verification success.

Control costs.
With our phone number verification API, you only pay for successful verifications. No ifs, ands, or buts.
In good company.

Your developers will get our ready-to-use, high-quality verification API, plus super-speedy support and a rockstar community network.