Here are the facts:
Over 500,000 mobile phone numbers are suspended or deactivated each day in the US.
SMS carriers charge for commercial text messages, whether it was delivered or not.
5~18% of SMS message delivery attempts fail
SubscriberVerify saves you money by removing deactivated, suspended, inactive, invalid, and/or unreachable numbers from your phone number list. Most clients immediately save between 5% - 15% of their sending costs each month.
Our API and CSV tools make SubscriberVerify easy to use, and the user-friendly dashboard displays important statistics about numbers in your database: carrier names, ported numbers, unreachable numbers, and more.
Sign up now and test drive our SubscriberVerify for $10 up to 50,000 verifications. (our CSV upload tool only takes a few minutes to get results and you can view reports from our SubscriberVerify dashboard.)
Our internal blacklist of known industry complainers has been aggregated over the past five years and is constantly updated.
Sending messages to numbers that are reactivated (deactivated numbers that are reassigned to a new user) to someone else puts you at risk with TCPA violations.
Choose our live API, our batch file CSV upload interface, or both.
Send messages based on users’ time zone. It’s an easy way to improve open rates.
When you are sending text messages to a specific carrier, our real-time carrier lookup service can identify carriers.
Ported numbers - SubscriberVerify identifies a phone number ported to another carrier with a new carrier id/name