diff --git a/app/Controllers/VidalApiController.php b/app/Controllers/VidalApiController.php
index ce9b27c3..aa83c129 100644
--- a/app/Controllers/VidalApiController.php
+++ b/app/Controllers/VidalApiController.php
@@ -85,26 +85,32 @@ class VidalApiController extends BaseController
 
         tpa_claim_push_log($claimId, "VIDAL - Claim Push | Received signed URL & fileId. fileId: $fileId");
 
-        // Step 2: Upload file to signed URL using PUT (Azure Blob)
-        $fileSize = filesize($filePath);
-        $fileContent = fopen($filePath, 'r');
+        
+
+        // Step 2: Upload file to signed URL (real multipart — cURL adds boundary)
+        $mime = function_exists('mime_content_type')
+        ? (mime_content_type($filePath) ?: 'application/pdf')
+        : 'application/pdf';
+
+        $cfile = new \CURLFile($filePath, $mime, $filename);
 
         $ch2 = curl_init($signedUrl);
-        curl_setopt($ch2, CURLOPT_PUT, true);
-        curl_setopt($ch2, CURLOPT_INFILE, $fileContent);
-        curl_setopt($ch2, CURLOPT_INFILESIZE, $fileSize);
         curl_setopt($ch2, CURLOPT_RETURNTRANSFER, true);
-        curl_setopt($ch2, CURLOPT_HTTPHEADER, [
-            "x-ms-blob-type: BlockBlob",
-            "Content-Length: $fileSize" ,
-            "Content-Type: multipart/form-data"
+        curl_setopt($ch2, CURLOPT_CUSTOMREQUEST, 'PUT');
+        curl_setopt($ch2, CURLOPT_POSTFIELDS, [
+        'file' => $cfile,   // form field name — confirm with Vidal if this fails
         ]);
+        // Do NOT set Content-Type manually (cURL sets multipart + boundary)
+        if (!empty($subscriptionKey)) {
+        curl_setopt($ch2, CURLOPT_HTTPHEADER, [
+            'Ocp-Apim-Subscription-Key: ' . $subscriptionKey,
+        ]);
+        }
 
         $uploadResponse = curl_exec($ch2);
         $httpCode = curl_getinfo($ch2, CURLINFO_HTTP_CODE);
         $curlErr = curl_error($ch2);
 
-        fclose($fileContent);
         curl_close($ch2);
 
          if ($curlErr) {