Square API
Square API is a set of RESTful web services provided by Square, Inc. that allows developers to integrate payment processing, point-of-sale (POS) systems, e-commerce, and business management functionalities into their applications. It enables businesses to accept payments, manage inventory, track sales, and handle customer data programmatically through secure API endpoints.
Developers should learn Square API when building applications for small to medium-sized businesses that need integrated payment solutions, such as retail apps, food delivery services, or appointment booking platforms. It's particularly useful for creating custom POS systems, automating financial operations, or syncing sales data with other business tools, offering a comprehensive ecosystem for commerce-focused development.