diff --git a/OMGService.php b/OMGService.php
index 453cfdd..503f613 100644
--- a/OMGService.php
+++ b/OMGService.php
@@ -34,13 +34,20 @@ class OMGService {
             error_log('OMG API: Requesting project ' . $projectNumber);
 
             $ch = curl_init($url);
+
+            // Try different header formats - log what we're sending
+            $headers = [
+                'Content-Type: application/json',
+                'X-API-Key: ' . $this->apiKey,
+                'Authorization: ' . $this->apiKey
+            ];
+
+            error_log('OMG API: Sending headers: ' . json_encode($headers));
+
             curl_setopt_array($ch, [
                 CURLOPT_RETURNTRANSFER => true,
                 CURLOPT_TIMEOUT => $this->timeout,
-                CURLOPT_HTTPHEADER => [
-                    'Content-Type: application/json',
-                    'Authorization: ' . $this->apiKey  // Send API key directly (not "Bearer")
-                ]
+                CURLOPT_HTTPHEADER => $headers
             ]);
 
             $response = curl_exec($ch);