{"id":9793,"date":"2022-01-21T13:00:39","date_gmt":"2022-01-21T10:00:39","guid":{"rendered":"https:\/\/flatlogic.com\/blog\/?p=9793"},"modified":"2024-03-26T19:20:41","modified_gmt":"2024-03-26T16:20:41","slug":"what-is-api-and-how-api-works","status":"publish","type":"post","link":"https:\/\/flatlogic.com\/blog\/what-is-api-and-how-api-works\/","title":{"rendered":"What Is API and How Does API Work? Quick introduction"},"content":{"rendered":"

What is an API<\/strong><\/h2>

An Application Programming Interface (API)<\/a> is a gateway that allows one App to communicate with other Apps – and defines how that communication occurs. They foster connections between technologies to improve the user experience. API is a collection of software functions and procedures.<\/p>


APIs play a crucial role in business software development<\/a>, facilitating secure and controlled access to resources, thereby enabling seamless integration and interaction between different services through well-defined interfaces.<\/p>

How API works<\/strong><\/h2>

APIs enable us to explain how web applications<\/a> communicate with each other. They process data transfer between systems and locate between the application and the web server. APIs enable access to software (or web data) in a controlled and secure way for the program. Then the code sends requests to the receiving software and returns the data.<\/p>

\"APIs<\/figure>

APIs can be divided into four main categories based on the functionality they serve.<\/p>

\"APIs<\/figure><\/div>

APIs protocols can be divided into the next categories:<\/p>

REST<\/strong><\/td>SOAP<\/strong><\/td>RPC<\/strong><\/td>SERP <\/strong><\/td><\/tr>
Representational state
transfer protocol provides
a communication channel
to a distributed set of computers over HTTP.
REST APIs are primarily used to access and work with data.<\/td>		Simple Object Access
The protocol is a protocol used to transmit data over networks.
Information is encoded using XML.<\/td>		Remote Procedural
Callprotocol is the RPC that uses ]SON and XML.
RPC-based APIs are primarily used for procedures or commands.<\/td>		SERP API<\/a> is a web service that allows users to programmatically retrieve the search engine results page (SERP). It provides users with access to search results in JSON, RSS, or ATOM format. Integrating a tool like the SERP API<\/strong> can significantly enhance the capabilities of your application by providing real-time data about search engine results<\/td><\/tr><\/tbody><\/table><\/figure> \"Professional <\/a>

Examples of APIs we use every day <\/strong><\/h2>

1.    Weather snippets <\/h3>

One of the common examples of API usage is weather data like Google Search.<\/p>

\"Weather<\/figure>

2.    Log in using social media accounts<\/h3>

The second good example of APIs usage is the log-in with Gmail\/Facebook\/GitHub you may have seen on different websites. Instead of logging in to users’ accounts on social networks (which would be a serious security issue), applications with this functionality use the APIs of these platforms to authenticate the user with each log-in.<\/p>

\"\"<\/figure><\/div>

3.    Twitter Bots<\/h3>

Twitter bots are accounts that automatically make tweets and send direct messages. Behind them are complex Twitter APIs. The Twitter API tells the bots when something specific happens on the platform. For example, you can ask the Twitter API to tell your bot when it gets a new repost. Here are some of the popular Twitter Bots:<\/p>