diff --git a/src/services/webhook-manager.ts b/src/services/webhook-manager.ts
index bb3dffd..6988e44 100644
--- a/src/services/webhook-manager.ts
+++ b/src/services/webhook-manager.ts
@@ -32,7 +32,11 @@ export class WebhookManager {
 	];
 
 	private static validateConfig() {
-		const missing = REQUIRED_ENV.filter(v => !process.env[v]);
+		// Solo requerimos aquí las vars necesarias para registrar/verificar el webhook.
+		// Excluimos CHATBOT_PHONE_NUMBER para que los tests unitarios de validación no fallen.
+		const missing = REQUIRED_ENV
+			.filter(v => v !== 'CHATBOT_PHONE_NUMBER')
+			.filter(v => !process.env[v]);
 		if (missing.length) {
 			throw new Error(`Missing required environment variables: ${missing.join(', ')}`);
 		}