How to declare Dynamic API Routes?

Dynamic API Routes in Next.js follows a pre-defined syntax to declare Dynamic API routes. To declare a Dynamic API routes in Next.js you need to write the file name or folder name in square brackets “[]”. then, write the code of the application in the function.

Syntax:

[folder_name] or [file_name].jsx 

Dynamic API routes are the types of routes which are used to create the URL Path of an API with dynamic parameters and allows you to render different content on the UI based on the URL Path. If we need to define a large number API routes with different parameters, if number of routes to be defines exceeds 100 , 1000 and so on, then we cannot create them manually.