diff --git a/public/api/data.php b/public/api/data.php
new file mode 100644
index 0000000..aa2cb7a
--- /dev/null
+++ b/public/api/data.php
@@ -0,0 +1,53 @@
+<?php
+
+declare(strict_types=1);
+
+use Weerscherm\Cache;
+use Weerscherm\Config;
+use Weerscherm\DashboardService;
+use Weerscherm\FixtureSource;
+use Weerscherm\LiveSource;
+
+$root = dirname(__DIR__, 2);
+
+header('Content-Type: application/json; charset=utf-8');
+header('Cache-Control: no-store');
+header('X-Robots-Tag: noindex');
+
+require $root . '/vendor/autoload.php';
+
+$configFile = $root . '/config.php';
+if (!is_file($configFile)) {
+    http_response_code(500);
+    echo json_encode(['errors' => ['config_missing'], 'message' => 'config.php ontbreekt: kopieer config.example.php naar config.php']);
+    exit;
+}
+
+try {
+    $config = Config::load($configFile);
+    $storage = rtrim((string) $config->get('storage_path'), '/');
+    $timezone = (string) $config->get('timezone');
+    $lat = $config->get('forecast_lat');
+    $lon = $config->get('forecast_lon');
+
+    $source = $config->get('data_source') === 'live'
+        ? LiveSource::fromConfig($config)
+        : new FixtureSource(null, $timezone);
+
+    $service = new DashboardService(
+        $source,
+        new Cache($storage . '/cache'),
+        $config->get('cache_ttl'),
+        $timezone,
+        is_numeric($lat) ? (float) $lat : null,
+        is_numeric($lon) ? (float) $lon : null,
+        is_array($config->get('indoor_modules')) ? $config->get('indoor_modules') : [],
+        is_string($config->get('netatmo_device_id')) && $config->get('netatmo_device_id') !== '' ? $config->get('netatmo_device_id') : null,
+    );
+
+    echo json_encode($service->build(), JSON_THROW_ON_ERROR | JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+} catch (Throwable $e) {
+    error_log('weerscherm: ' . $e->getMessage());
+    http_response_code(500);
+    echo json_encode(['errors' => ['server_error']]);
+}
diff --git a/public/robots.txt b/public/robots.txt
new file mode 100644
index 0000000..1f53798
--- /dev/null
+++ b/public/robots.txt
@@ -0,0 +1,2 @@
+User-agent: *
+Disallow: /
diff --git a/src/LiveSource.php b/src/LiveSource.php
new file mode 100644
index 0000000..a086e7c
--- /dev/null
+++ b/src/LiveSource.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Weerscherm;
+
+/** Echte bronnen: Netatmo (stationsdata, regenmetingen) en Open-Meteo (verwachting). Wordt in fase 3/4 ingevuld. */
+final class LiveSource implements WeatherSource
+{
+    public static function fromConfig(Config $config): self
+    {
+        throw new \RuntimeException('LiveSource is nog niet beschikbaar; gebruik data_source = fixture');
+    }
+
+    public function stationsData(): array
+    {
+        throw new UpstreamException('niet geïmplementeerd');
+    }
+
+    public function measure(string $deviceId, string $moduleId, int $begin, int $end): array
+    {
+        throw new UpstreamException('niet geïmplementeerd');
+    }
+
+    public function forecast(float $lat, float $lon, string $timezone): array
+    {
+        throw new UpstreamException('niet geïmplementeerd');
+    }
+}