API FULL FORM – API stands for Application Programming Interface, a software intermediary that allows two programs to communicate with each other. You use the API whenever you use a program like Facebook, send an instant message, or check the weather on your phone.
Example of an API
When you use the app on your phone, it connects to the internet and sends data to the server. Then the server retrieves this data, interprets it, does the necessary work, and sends it back to the phone. The app then interprets this data and presents the desired information in a readable format. This is the API. Everything happens through the API.
To illustrate this better, let’s take a familiar example.
Imagine sitting at a table in a restaurant serving a variety of dishes on the menu. The kitchen is part of the “system” of preparing orders. What is missing is an important link in taking orders to the kitchen and returning food to the table. This is where the server or API comes in handy. A messenger or API is a server that receives your request or order and tells the kitchen (system) what to do. Then the server returns a response. In this case, it is food.
Here is an example of a real API: You will be familiar with the process of finding flights on the Internet. Just like the restaurant, you can choose from a variety of options, including different cities, departure and return dates. Let’s say you are booking a flight on an airline website. Select the city and departure date, city and return date, villa class, and other variables. To book a flight, interact with the airline’s website to access the database and see if there are seats available for that day and how much they cost.
The Modern of API
Over the years, APIs have been used frequently to describe universal interfaces for connecting to applications. However, recently modern APIs have acquired some features that make them very valuable and useful.
Modern APIs meet standards that are developer-friendly, accessible and easy to understand (typically HTTP and REST).
They are more of a product than a code. It is designed for use by a specific audience (e.g. mobile developers) and is documented and versioned so that users can have specific expectations for their service and lifecycle.
Since it is much more standardized, it has much stricter security and control rules and monitors and controls it for performance and scalability.
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Like all other manufacturing software, modern APIs have their own software development lifecycle (SDLC) that includes design, test, build, control and version design. In addition, the latest APIs are well documented for version distribution and management.