Laravel API Versioning

api.php

<?php
// routes/api.php
use Illuminate\Support\Facades\Route;

Route::prefix('v1')->group(base_path('routes/api/v1.php'));
Route::prefix('v2')->group(base_path('routes/api/v2.php'));

app.php

<?php
// bootstrap/app.php
use Illuminate\Foundation\Application;
use Illuminate\Foundation\Configuration\Exceptions;
use Illuminate\Foundation\Configuration\Middleware;
use Illuminate\Support\Facades\Route;

return Application::configure(basePath: dirname(__DIR__))
    ->withRouting(
        web: __DIR__ . '/../routes/web.php',
        api: __DIR__ . '/../routes/api.php',
        commands: __DIR__ . '/../routes/console.php',
        health: '/up',
        then: function(){
            // API V1 Routes
            Route::middleware('api')
            ->prefix('api/v1')
            ->group(base_path('routes/api/v1.php'));

            // API V2 Routes
            Route::middleware('api')
            ->prefix('api/v2')
            ->group(base_path('routes/api/v2.php'));
        }
    )
    ->withMiddleware(function (Middleware $middleware) {
        //
    })
    ->withExceptions(function (Exceptions $exceptions) {
        //
    })->create();

v1.php

<?php
// routes/api/v1.php
use Illuminate\Support\Facades\Route;

Route::get('/data', function() {
   return 'api v1' ;
});

v2.php

<?php
// routes/api/v2.php
use Illuminate\Support\Facades\Route;

Route::get('/data', function() {
   return 'api v2' ;
});