diff --git a/api-samples/upload-api/get-info.php b/api-samples/upload-api/get-info.php
index 4bbfa793..f3261954 100644
--- a/api-samples/upload-api/get-info.php
+++ b/api-samples/upload-api/get-info.php
@@ -4,4 +4,9 @@
 $uploader = new Uploadcare\Uploader\Uploader($configuration);
 $fileInfo = $uploader->fromPath(__DIR__ . '/squirrel.jpg');
 
-echo \sprintf('URL: %s, ID: %s, Mime type: %s', $fileInfo->getUrl(), $fileInfo->getUuid(), $fileInfo->getMimeType());
+header('Content-Type: application/json; charset=utf-8');
+echo json_encode([
+    'url' => $fileInfo->getUrl(),
+    'id' => $fileInfo->getUuid(),
+    'mimeType' => $fileInfo->getMimeType(),
+], JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
diff --git a/api-samples/upload-api/post-base.php b/api-samples/upload-api/post-base.php
index 6e3e464e..d436268a 100644
--- a/api-samples/upload-api/post-base.php
+++ b/api-samples/upload-api/post-base.php
@@ -7,7 +7,13 @@
     'pet' => 'cat',
 ]);
 
-echo \sprintf("URL: %s, ID: %s, Mime type: %s\n", $fileInfo->getUrl(), $fileInfo->getUuid(), $fileInfo->getMimeType());
+$data = [
+    'url' => $fileInfo->getUrl(),
+    'id' => $fileInfo->getUuid(),
+    'mimeType' => $fileInfo->getMimeType(),
+];
 foreach ($fileInfo->getMetadata() as $key => $value) {
-    echo \sprintf("%s: %s\n", $key, $value);
+    $data[$key] = $value;
 }
+header('Content-Type: application/json; charset=utf-8');
+echo json_encode($data, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);