Number Lookup API
Enhance your communications and keep your database as clean as a whistle. Number Lookup checks against first-party numbering sources and provides real-time feedback.
Number Lookup services available, depending on your market
Number Portability Lookup
Optimized routing for the lowest cost every time – just check number network status for the latest information.
Real-Time Lookup
Real-Time Lookup searches a mobile network to see if a number is in active service and for which network.
Enhanced Number Lookup
Detect fraud and help prevent fake accounts with easy access to valuable network information from one account.
Top 3 reasons customers choose Optimum
We’re not satisfied until you’re successful
Our consultative approach to engagement means we work with you every step of the way.
We build reliability into our platform
Behind the scenes, Optimum makes sure your communications get where they need to go every time.
Our complex applications are simple by design
We’re focused on keeping things simple for our users while allowing you to build complex applications.
