The development of postal services in the late 19th and early 20th centuries had a great impact on the whole world. During this period, large private companies appeared, which are still the undisputed leaders in the global market. Naturally, in order to maintain their leadership positions, such firms have to compete with national postal services and invest heavily in infrastructure development, be in search of optimal solutions for complex tasks, improve logistics, balance with tariff policy and offer high quality service to end consumers. To date, the most famous international courier services are: ● DHL, ● UPS, ● FedEx, ● TNT. It was thanks to them that the international express delivery industry began to emerge and it was they who made an undoubted contribution to the private cargo delivery industry. But no matter how famous and reliable the courier service is, it is quite difficult to do without a cargo tracking service today. It allows you to at least be sure that the time will