API Routes & Resources in PHP

// API routes (routes/api.php)
Route::apiResource('posts', PostController::class);

// API resource (transformation)
php artisan make:resource PostResource

class PostResource extends JsonResource
{
    public function toArray($request)
    {
        return [
            'id' => $this->id,
            'title' => $this->title,
            'body' => $this->body,
            'author' => new UserResource($this->user),
        ];
    }
}