diff --git a/src/lib/requests/client/GraphQLClient.ts b/src/lib/requests/client/GraphQLClient.ts
index f0f75b5d..54ae5ac6 100644
--- a/src/lib/requests/client/GraphQLClient.ts
+++ b/src/lib/requests/client/GraphQLClient.ts
@@ -235,7 +235,7 @@ export class GraphQLClient extends BaseClient<
                 headers: {
                     credentials: 'include',
                     ...headers,
-                    Authorization: isAuthRequired && accessToken ? `Bearer ${accessToken}` : '',
+                    ...(isAuthRequired && accessToken ? { Authorization: `Bearer ${accessToken}` } : {}),
                 },
             };
         });
diff --git a/src/lib/requests/client/RestClient.ts b/src/lib/requests/client/RestClient.ts
index 12ba04bd..ebc1e7c3 100644
--- a/src/lib/requests/client/RestClient.ts
+++ b/src/lib/requests/client/RestClient.ts
@@ -51,6 +51,7 @@ export class RestClient
         } = {},
     ): Promise<Response> => {
         const updatedUrl = url.startsWith('http') ? url : `${this.getBaseUrl()}${url}`;
+        const isAuthRequired = AuthManager.isAuthRequired();
         const accessToken = AuthManager.getAccessToken();
 
         let result: Response;
@@ -62,7 +63,7 @@ export class RestClient
                     ...config,
                     method: httpMethod,
                     headers: {
-                        ...(accessToken ? { Authorization: `Bearer ${accessToken}` } : {}),
+                        ...(isAuthRequired && accessToken ? { Authorization: `Bearer ${accessToken}` } : {}),
                         ...this.config.headers,
                         ...config?.headers,
                     },
@@ -72,7 +73,7 @@ export class RestClient
             case HttpMethod.PATCH:
             case HttpMethod.DELETE:
                 result = await this.client(updatedUrl, {
-                    ...(accessToken ? { Authorization: `Bearer ${accessToken}` } : {}),
+                    ...(isAuthRequired && accessToken ? { Authorization: `Bearer ${accessToken}` } : {}),
                     ...this.config,
                     ...config,
                     method: httpMethod,