Upload ApiValidator.php

easypay-v21/includes/ApiValidator.php

@@ -35,14 +35,16 @@ class ApiValidator
             ];
         }
 
-        // Check Content-Type header
-        $contentType = $_SERVER['CONTENT_TYPE'] ?? '';
-        if (stripos($contentType, 'application/json') === false) {
-            return [
-                'valid' => false,
-                'error' => 'Invalid Content-Type. Expected application/json',
-                'http_code' => 400
-            ];
+        // Check Content-Type header (only for methods with body)
+        if (in_array($method, ['POST', 'PUT', 'PATCH'])) {
+            $contentType = $_SERVER['CONTENT_TYPE'] ?? '';
+            if (stripos($contentType, 'application/json') === false) {
+                return [
+                    'valid' => false,
+                    'error' => 'Invalid Content-Type. Expected application/json',
+                    'http_code' => 400
+                ];
+            }
         }
 
         // Validate API key if configured