diff --git a/services/WhatsAppService.php b/services/WhatsAppService.php
index ee5d864..6f8c792 100644
--- a/services/WhatsAppService.php
+++ b/services/WhatsAppService.php
@@ -107,19 +107,48 @@ class WhatsAppService
             }
         }
 
-        // Normalizar parámetros de body: convertir strings a objetos {type: 'text', text: '...'}
+        // Normalizar parámetros de body: soportar tres formatos:
+        // 1) Indexed array of strings: ['Alice','+123'] => converted to text params in order
+        // 2) Indexed array of param objects: [['type'=>'text','text'=>'Alice'], ...] => used as-is
+        // 3) Associative array for NAMED params: ['name' => 'Alice'] => converted to {type:text, name: 'name', text: 'Alice'}
         if (!empty($bodyParameters)) {
             $normalizedBody = [];
-            foreach ($bodyParameters as $bp) {
-                if (is_array($bp) && isset($bp['type'])) {
-                    $normalizedBody[] = $bp; // ya en formato detallado
-                } elseif (is_string($bp)) {
-                    $normalizedBody[] = [
-                        'type' => 'text',
-                        'text' => $bp
-                    ];
+
+            // Detect associative (named) arrays: if array has string keys
+            $isNamed = false;
+            foreach ($bodyParameters as $k => $v) {
+                if (!is_int($k)) { $isNamed = true; break; }
+            }
+
+            if ($isNamed) {
+                // bodyParameters is like ['name' => 'Alice', ...]
+                foreach ($bodyParameters as $paramName => $paramValue) {
+                    if (is_array($paramValue) && isset($paramValue['type'])) {
+                        // already detailed param object: ensure name is set
+                        if (!isset($paramValue['name'])) $paramValue['name'] = $paramName;
+                        $normalizedBody[] = $paramValue;
+                    } else {
+                        $normalizedBody[] = [
+                            'type' => 'text',
+                            'name' => $paramName,
+                            'text' => (string)$paramValue
+                        ];
+                    }
+                }
+            } else {
+                // Indexed array: preserve objects or convert strings
+                foreach ($bodyParameters as $bp) {
+                    if (is_array($bp) && isset($bp['type'])) {
+                        $normalizedBody[] = $bp; // already detailed
+                    } elseif (is_string($bp) || is_numeric($bp)) {
+                        $normalizedBody[] = [
+                            'type' => 'text',
+                            'text' => (string)$bp
+                        ];
+                    }
                 }
             }
+
             if (!empty($normalizedBody)) {
                 $components[] = [
                     'type' => 'body',