An intelligent platform for controlling international mail can appear in Belarus and Russia. This issue was considered by the board of the Customs Committee of the Union State. The flow of Internet commerce has increased several times in recent years, therefore, a new system is needed to control payments for postal deliveries and preventing the import of prohibited items. Digital solutions will also affect the provisions of the Customs Code of the EAEU. The introduction of the paperless trading mechanism on one-stop principle will help to optimize technologies and improve the quality of work of customs services.