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Hello, guys, welcome to the cause of Lavallade EPA Dalip editorial, this is part of an insider's
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feature.
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We will discuss introduction about EPA if I go back to slide.
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So inside the slide, we will discuss a very precise definition about an EPA.
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So the first question before starting this course is all about that is what is an EPA?
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So EPA is the acronym for application programming interface.
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The dummy is coming from application.
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The Petel is coming from programming and it is coming from interface.
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So EPA is the acronym for Application Programming Interface, which is a software which is a software
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intermediary that allows two applications to talk to each other.
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For example, here we have some examples to understand about an EPA into a deep level.
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So the first example is something like covid-19 EPA's.
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So for now, in this pandemic situation, we have several apps for displaying covid-19 data.
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So how do we get those data by the help of APIs?
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So if I go inside this Google and search about covid-19 APIs, as you can see that we have several links
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here.
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So randomly I have clicked on this link and are getting a postman collection link inside this.
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As you can see that we have several API here.
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We have like summary by using get request type simply if I copy this Whewell Goodhew pressing enter.
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And as we can see that by the help of this EPA, by using retrogressed type, we are getting our data
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into a raw format.
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The API returns data into adjacent OPSEC anxiety's to use an object.
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We have free properties as well as another subsect inside this parent, OPSEC.
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So currently the data is in show format.
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But when we display inside any mobile application, Olisa, inside of our application simply we need
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to parse and display into our desired format.
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Like if we want to display into Tablo format simply we can done that.
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If we want to display into some graphical representation, simply we can read data and put inside charts.
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And so like with the help of pie chart, graph chart or any other chart types.
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Now, the next example, we have something, Facebook, Epis, Aspinwall, Facebook provides a messenger
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app, so Inside Messenger app to get instant messages behind the scenes.
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Facebook uses apps concept and for the notification list for the post like and comments, we get all
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the notification by means of APIs.
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Now, next, we have apps for Weather Report.
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As we can see nowadays in Mobile, we have several applications installed which actually provides weather
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report data, cell phone video.
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That application collect data simply behind the scene.
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Also, it calls the apps to get all weather report data by getting data into raw format, simply bars
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and display into Tablo format or by means of some graphical representation.
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So he'll be to stand by the help of this line as well.
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He'll be held back and several which provide backend data.
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This data is in raw format.
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Now, he'll we have application types, let's say mobile application or web application.
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So to display data to end users like mobile application or application, they need data.
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And as we do that, data stored inside this backend server.
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So API is the connector which connects back and so forth, takes the raw data convert into adjacent
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format and gave it to this mobile application or web application.
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So simply these application past the raw format of data and display into desired format.
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So that's why and to this definition, as we can see, that EPA pretty soft, very intermediated that
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allows two applications to talk to each other.
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Here we have application one and here we have application to the talking to each other means here we
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have the data and here we have the end user interface.
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So data is sent in to this end user and user is requesting data from back and so forth.
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And the whole process is going by the help of this API.
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So API is data carrier.
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So in the next video, what we're going to learn inside the schools, we will discuss in T in the next
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video so far this session.
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Guys, thanks for watching and have a great day.
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