diff --git a/packages/lynqchat-js/src/index.ts b/packages/lynqchat-js/src/index.ts
index fc024d7..764231b 100644
--- a/packages/lynqchat-js/src/index.ts
+++ b/packages/lynqchat-js/src/index.ts
@@ -57,6 +57,9 @@ export default class LynqChat<
       {
         method: "POST",
         cache: "no-store",
+        headers: {
+          "Content-Type": "application/json",
+        },
         body,
       }
     );