What is an API and how does it work - Teckpas.com

What is an API and how does it work.

Friends, although many people say it in many ways, I will say that it is a very simple ecosystem through which you can call many applications at the same time.

Table of Contents

For details, read this post carefully, 100% sure you will clear this matter.😁 

What is an API? And how it works.👍

The complete form of API is - Application Programming Interface.

🌍 As a normal user, it is never possible to understand its function by its value.

Let's try to understand the whole thing simply. API is basically a tool that helps one software connect with another software and run on the same rules.

So, now suppose you are a 3D modeler and your neighbor is a civil engineer.

Now suppose you are a 3D modeler and one of your neighbors is a civil engineer. The engineer wants you to design a 3D model for his next project. But the problem is that you speak Bengali and your engineer neighbor speaks Chinese,

so, how can you talk to each other? Of course, you will need a translator who knows both languages ​​and can help you understand each other. You can compare an API to a translator in this example, a tool that understands different applications and connects them.

APIs can be added to any program and linked to other programs. Suppose you write something in Notepad on your Windows computer and want to print it. Now, if your Notepad program is connected to the printer's API, Notepad can print commands directly to the printer.

Again suppose you create a website from which any institution and any exam results can be viewed. But your site needs to connect to all the results sites and their databases via API. 

When a user searches for results on your site, the API will check the results site's database and display the results from that database in front of them. So, APIs have many advantages, through which many applications or websites can be integrated to provide better and easier services.

APIs can be added to any program and can be connected to other programs. Suppose you write something in the notepad of your Windows computer and want to print it. Now, if your notepad program is connected to the printer's API, the notepad can command the printer directly and print.

Again suppose you create a website from which it is possible to view the results of any institution and any exam. But your site needs to connect to all results sites and their databases via API. When a user searches your site for a result, the API will check the database of that result site and display the results from that database in front of them.

APIs have many advantages, through which many applications or websites can be integrated to provide better and easier services. Suppose you have a weather app that provides weather information for your local location. But think, if this app can be linked with all the local apps across the country, then you can get the weather message across the country from one app. Hope you do not doubt what an API is and how it works, now let's discuss its uses at different levels.

🌍 Business API.

The number of online-based companies and companies providing services through websites is now innumerable. Big companies like Google, Facebook, and Twitter arrange to display their services on third-party sites to maintain their competitiveness.

If you have visited many websites, you must notice that the article is there on that site but Facebook comments are directly added there, that is, Facebook comments can be made on the website articles, and the comments are also published on Facebook. It can be seen again that the latest Twitter posts can be seen from the website, but all these are made possible by the API.

 See the new community site to log in or register with Facebook, Twitter, and Google accounts, how does it work? WireBD is directly connected to the user databases of Facebook, Google, and Twitter, when a user logs in through Facebook, Facebook provides WireBD with that user's details, and WireBD logs in. It all works with your one account. The main purpose of API is to improve the quality of service by making all websites and software work together.

🌍 API in the browser.

APIs are used not only by individual applications or websites, but also by your preferred internet browser. Your internet browser helps connect your computer or system to websites and various web applications.

Suppose you want to do a voice or video chat on Facebook or use the web version of Skype, in this case these web applications need to access the mic, speaker, webcam, etc. from your system. And these accesses your internet browser reaches that website through the API.

Many websites want to know your location or see your system details, browser helps them. Even with APIs and browsers, a website can access or store files on your computer without storing cookies.

🌍 API in Govt.

Apart from software or websites or browsers, the government itself uses APIs to control various services from one place. The database of different forces of the country can be linked to the same formula where all information can be obtained by searching the information from one place. Again, the CCTV cameras of all the cities are also connected to be controlled from one place.

🌍 The biggest advantage of APIs.

is that adding new features to an application does not require reprogramming. Rather, features from one application can be added to another application. Suppose in an application only text chat can be done but it is possible to get all features including voice chat, video chat by connecting it with the API of another application. You can create your own Facebook app or messenger using Facebook's API if you want.

In one word.

🌍 So,what do we mean by API, 

So what do we mean by API, it is basically a tool where one application can connect with another application through programming and using commands, and can share its features. Computer software, applications, websites, web applications, servers, databases, etc. can be connected through APIs. This connection enhances the service and helps to provide all features and control from one place.

🌍 What is the API? How does it work? What is a REST API?

Thanks for your question

🌍 What is an API thing?

API - Application Programming Interface put simply, is the method by which the data or feature from another software or platform can be used by bringing its own software, platform, the system in which the data or feature is brought by its own software or web application is called API.

🌍 How does it work?

Suppose you want to create a weather app. The application will have a real-time database. Weather reports of all countries of the world can be seen. Now the question is - is it possible for you to collect the weather reports of all the countries of the world? Not only is it possible to collect data, but you also have to update all the data every moment, which is impossible to do as a human. In that case, you need to take the help of the API.

Let's say you want to build a weather app. The application will have a real-time database. The weather reports of all the countries of the world can be seen. Now the question is - is it possible for you to collect the weather reports of all the countries of the world?

It is not possible to collect the data only, you have to update all the data every moment, which is impossible to do as a human being. In that case, you need to take the help of the API. For weather apps (Yahoo, Bing, Dark Sky) real-time data you can easily use in your own web application. The API from here (Yahoo, Bing, Dark Sky) or anywhere else will give you up-to-the-moment weather reports. As a result, you can create a real-time weather app. In this way, APIs work extensively in software builds.

🌍 What is the Rest API?

Rest API - Representational State Transfer Application Programming Interface.

REST defines what the API will look like. When developers create their APIs they follow certain rules.

Let's say you create a website like Quora. Where will user authentication be? You have to register and create an account or if you have a Google account you can use Quora with a Google account. In this case, Quora will use the Rest API from Google, as a result of which all the information that you had to provide during registration will be given to Quora by your Google account. Here the method in which the user's information is exchanged from the Google account to Quora is the method - Rest API method.

I hope you have got an idea of ​​what an API, a REST API is and why it is important.

You will be clearer when you work with user authentication, a real-time application.

Thank you.

Please visit again.