routes.php

<?php

// Allow up to 60 requests in 1 minute for that route (= 1 req/s)
Route::get('api/v1/user', 'Api\UserController@index')->middleware('throttle:60,1');

// Allow up to 60 requests in 60 minutes for that route (= 1 req/m)
Route::post('api/v1/user', 'Api\UserController@store')->middleware('throttle:60,60');

// Rate Limiting for a whole group of routes
Route::group(['middleware' => 'throttle:60,1'], function () {
    // [...]
});