What is an API Application Program Interface?

You may have noticed a long string of characters and numbers in your browser URL when you visit different websites. This string is an API key the website uses to make internal API calls. A well-designed API makes it easy for developers to access the functionality they need while also protecting the security of the underlying system. For example, if you are using a weather app on your phone, the app will likely use an API to retrieve the latest weather data from a server. At the same thing, the Google Maps API allows developers to add Google Maps to their own websites or applications.

  • The software that wants to access the features and capabilities of the API is said to call it, and the software that creates the API is said to publish it.
  • SOA, the oldest of the 2 approaches, began as an improvement to monolithic apps.
  • This improved experience brings more shoppers to the bookstore—the distributor’s customer—and extends an existing revenue channel.
  • However, suppose you use another travel service website that collects the data from various databases and presents it to the user.

A public API is open and available for use by any outside developer or business. An enterprise that cultivates a business strategy that involves sharing its applications and data with other businesses will develop and offer a public API. Developers can work with an assortment of API types, protocols and architectures that suit the unique needs of different applications and businesses. API Gateway provides a comprehensive platform for managing, delivering, and securing APIs. It provides integration, acceleration, governance, and security for Web API and SOA-based systems. Here at Axway, we know APIs are the building blocks of modern business, so we’ve designed the Amplify API Management Platform to automate their discovery and management.

Resources for AWS

Unlike SOAP, gRPC is much newer and was released publicly in 2015 by Google. With gRPC, the client application can directly call methods from a server application located on a different computer api explanation as if it was a local object. This makes it easier to create distributed services and applications. Apple provides API references for macOS and iOS in its developer documentation.

Are you preparing to implement an API program at your organization? There are 3 questions to ask when you are preparing to design an API program. Another advantage of an API is that you don’t have to know the specifics of caching—how your resource is retrieved or where it comes from. Find out everything you need to know about building an enterprise API strategy with this comprehensive guide.

What is an API (Application Programming Interface)?

In the early days of Web 2.0, the concept of integrating data and applications from different sources was called a mashup. The web, software designed to exchange data via the internet and cloud computing have all combined to increase the interest in APIs and services. Microservices architectures are similar to SOA patterns in their use of specialized, loosely coupled services. But they go even further in breaking down traditional architectures.

Use this API glossary to build a strong API vocabulary and learn more about how APIs are designed, developed, deployed, and managed. Here, we’ll give a high-level overview of how APIs work before reviewing the different types of APIs and how they are used. We’ll also discuss some common use cases for APIs—and offer a few real-world API examples that can help you get started. To learn how to establish an API strategy that can enhance the customer experience or transform your business, read this whitepaper on API strategy essentials. Today, APIs have become so valuable that they comprise a large part of many business’ revenue.

Websocket APIs

Traditionally, API referred to an interface connected to an application created with any of the low-level programming languages, such as Javascript. Modern APIs, however, adhere to REST principles and the JSON format. They are typically built for HTTP, resulting in developer-friendly interfaces that are easily accessible and widely understood by applications written in Java, Ruby, Python, and many other languages.

api definition

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