Instantly Validate Phone Numbers with Our Validator Tool

Learn more about device fingerprinting contact information early on improves sales and customer service processes by avoiding wasted time and costs, while also ensuring that marketing campaigns are delivered to a reliable audience. Our free tool helps you identify and remove invalid phone numbers from your database by providing a validation result for each entry in the form of a pass/fail status. Unlike phone look-up, our tool also parses and formats the number for each country/region as well as provides additional data such as GEO location, carrier details (including line type), whether it is a landline or mobile number and more.

Choosing the right phone verification API for your business requires understanding your business needs and objectives, listing out specific must-have and nice-to-have features such as customization, global presence, and support. If you’re looking for a phone number validation solution that is highly customizable and supports multiple communication channels including voice, SMS and VoIP, Plivo is your best bet. Our phone verification tool offers a high 95% OTP conversion rate and allows you to adhere to local and federal telemarketing and text messaging regulations.

Device Fingerprinting for Enhanced Security: Stay Protected

Numlookup is a simple and straightforward API solution that validates the format of a given phone number while providing additional data such as carrier, line type, and more. This RESTful API is available in JSON and XML formats, offers state-of-the-art validation capabilities, and comes with a free tier that lets you perform 100 validations monthly — perfect for smaller businesses who want to test the waters with this service.