APIs, or Application Programming Interfaces, are really important for helping different parts of a web application work together.
You can think of the front-end as the face of a website—the part that users see and interact with. The back-end is like the engine that runs behind the scenes. It manages data, handles requests, and talks to databases.
Data Requests: When you do something on the front end, like fill out a form or click a button, an API sends a request to the back end. For example, if you want to see your profile info, the front end sends a request to the back end using an API. This request could look something like GET /api/users/profile.
Data Responses: The back end gets the request, finds the necessary information (like your profile details), and sends it back to the front end through the API. This response usually comes in a format called JSON, which is easy for the front end to understand.
Updating the UI: After the front end gets the data, it updates what's shown on the screen right away. For instance, if your name is retrieved from the back end, the front end can display it without needing to refresh the page.
Let’s imagine you are shopping online. When you add something to your cart:
In short, APIs help create a smooth and interactive experience by allowing the front-end and back-end parts of a web application to talk to each other easily!
APIs, or Application Programming Interfaces, are really important for helping different parts of a web application work together.
You can think of the front-end as the face of a website—the part that users see and interact with. The back-end is like the engine that runs behind the scenes. It manages data, handles requests, and talks to databases.
Data Requests: When you do something on the front end, like fill out a form or click a button, an API sends a request to the back end. For example, if you want to see your profile info, the front end sends a request to the back end using an API. This request could look something like GET /api/users/profile.
Data Responses: The back end gets the request, finds the necessary information (like your profile details), and sends it back to the front end through the API. This response usually comes in a format called JSON, which is easy for the front end to understand.
Updating the UI: After the front end gets the data, it updates what's shown on the screen right away. For instance, if your name is retrieved from the back end, the front end can display it without needing to refresh the page.
Let’s imagine you are shopping online. When you add something to your cart:
In short, APIs help create a smooth and interactive experience by allowing the front-end and back-end parts of a web application to talk to each other easily!