add single page api endpoint

api.php

@@ -0,0 +1,28 @@
+<?php
+header('Content-Type: application/json');
+
+$host = 'your_db_host';
+$db = 'your_db_name';
+$user = 'your_db_user';
+$pass = 'your_db_password';
+$charset = 'utf8mb4';
+
+$dsn = "mysql:host=$host;dbname=$db;charset=$charset";
+$options = [
+    PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
+    PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+    PDO::ATTR_EMULATE_PREPARES   => false,
+];
+
+try {
+    $pdo = new PDO($dsn, $user, $pass, $options);
+} catch (\PDOException $e) {
+    http_response_code(500);
+    echo json_encode(['error' => 'Database connection failed']);
+    exit;
+}
+
+$query = $pdo->query('SELECT id, first_name, last_name FROM users');
+$users = $query->fetchAll();
+
+echo json_encode($users);