How to connect systems so nobody retypes data by hand. The articles explain what an API, REST and a webhook are, then show concrete connections: a shop with ERP, warehouse and CRM, a shop with a supplier feed (CSV, XML or API), with marketplaces such as Galaxus and Ricardo, with carriers, an online shop with a physical shop, and a booking system with a calendar. The common question is which system is the source of truth for price, stock and customer data. For businesses where several programs have to talk to each other. Start with what an API is and integrating ERP with an online shop.










