DaData corrects and completes contact data (address, full name, telephone numbers, company details) and creates a client database for further mailing out and cold-calling, making courier delivery and creating reports.

The service corrects misprints in the address spelling, finds indexes, declines full names to fill them in invoices, identifies the region and the operator by the phone number, shows the apartment’s area and price, finds All-Russian Classifier of Addresses and Federal Information Address System codes, differentiates passport’s individual number from serial number and verifies data. DaData uses API and jQuery plugin.