![]() APIs package specialized functionality to make software accessible to developers of another application.If the owners of our online store want to change from one payment processor to another, it’s a simple matter of changing out the API-based interface to the new provider.ĪPIs Integrate Apps With Standardized Communication Key Takeaways Using APIs lets programmers simplify and isolate parts of their programs that invoke specialized functionality. Modern AP architectures like REST can also be extended to access new features without breaking existing integrations.ĪPIs allow programming teams to focus on what’s most important to them, while leaving other technical puzzles and challenges for other specialized teams and organizations to solve and manage.ĪPIs drive business innovation by providing customers with choice and keeping service markets competitive and affordable. ![]() As long as an API’s structure and behavior don’t change, the underlying software can change frequently, such as fixing bugs and adding new features. In this sense, APIs are a kind of contract - between service providers and consumers of those services - to provide specific functionality dependably, in a standardized and well-documented way. ![]() To do this, APIs abstract and standardize communication between applications, letting applications evolve independently and quickly without breaking their connections to one another. Instead, they can use an API to connect their store application to a reliable payment processing service, then focus on perfecting the shopping experience that will attract and retain customers. For example, developers of an online store don’t need to understand all the complex security, legal and privacy concerns around credit card payment processing. They act as bridges between software programs, providing gateways to powerful functionality that is created, secured and maintained by software developers. What Is an API?ĪPIs are effectively software toolkits that let applications communicate with one another to exchange data based on service requests. By dividing up the work required to build an application, hiding complexity, enabling smooth and predictable integration among fast-evolving technologies and commodifying digital services to make them plug-and-play, APIs have become critical accelerators of business technology innovation. They are a simple idea that has led to enormous economic benefits for businesses of all sizes and the global economy itself. East, Nordics and Other Regions (opens in new tab)Īpplication programming interfaces (APIs) are standardized methods for one software program to get information and services from another software program.
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