Map4D's data is continuously updated periodically to meet two criteria: CORRECT and ENOUGH. With the changes that arise, the collaborator team will conduct a review, check and update immediately to complete the location database system. road. In particular, IOTLink prioritizes data development in big cities, high population density, and famous destinations across the country.

In order to provide a good service experience and solve the problem of optimizing costs for businesses, IOTLink offers a policy of charging for Map4D in two ways: PACKAGE and REQUEST of each API. We are committed to providing digital map services at competitive prices, saving more than 50% compared to Google Maps.

When a customer signs a contract to use Map4D's APIs service, monthly IOTLink Accounting Department will contact to verify and send an invoice via email to the customer.

In the process of using the service, if any problems arise, you can respond via hotline, email, chat box... IOTLink website. Immediately, the customer care department will receive the information and take timely action. In addition, customers will be invited to join IOTLink's technical support group on zalo for easy information exchange.