diff --git a/src/handlers/admin/admin_handler_admins.erl b/src/handlers/admin/admin_handler_admins.erl
index 6e5ee54..f70326b 100644
--- a/src/handlers/admin/admin_handler_admins.erl
+++ b/src/handlers/admin/admin_handler_admins.erl
@@ -102,9 +102,14 @@ datetime_to_iso8601({{Y,M,D},{H,Min,S}}) ->
 datetime_to_iso8601(_) -> null.
 
 send_json(Req, Status, Data) ->
+  Headers = #{
+    <<"content-type">> => <<"application/json">>,
+    <<"access-control-allow-origin">> => <<"*">>,
+    <<"access-control-expose-headers">> => <<"Content-Range">>
+  },
   Body = jsx:encode(Data),
-  Req2 = cowboy_req:reply(Status, #{<<"content-type">> => <<"application/json">>}, Body, Req),
-  {ok, Req2, []}.
+  cowboy_req:reply(Status, Headers, Body, Req),
+  {ok, Body, []}.
 
 send_error(Req, Code, Message) ->
   Body = jsx:encode(#{error => Message}),
diff --git a/src/handlers/admin/admin_handler_banned_words.erl b/src/handlers/admin/admin_handler_banned_words.erl
index 9ab8c34..0124067 100644
--- a/src/handlers/admin/admin_handler_banned_words.erl
+++ b/src/handlers/admin/admin_handler_banned_words.erl
@@ -117,8 +117,13 @@ datetime_to_iso8601({{Year, Month, Day}, {Hour, Minute, Second}}) ->
 datetime_to_iso8601(undefined) -> undefined.
 
 send_json(Req, Status, Data) ->
+  Headers = #{
+    <<"content-type">> => <<"application/json">>,
+    <<"access-control-allow-origin">> => <<"*">>,
+    <<"access-control-expose-headers">> => <<"Content-Range">>
+  },
   Body = jsx:encode(Data),
-  cowboy_req:reply(Status, #{<<"content-type">> => <<"application/json">>}, Body, Req),
+  cowboy_req:reply(Status, Headers, Body, Req),
   {ok, Body, []}.
 
 send_error(Req, Status, Message) ->
diff --git a/src/handlers/admin/admin_handler_reports.erl b/src/handlers/admin/admin_handler_reports.erl
index ab5a3cb..e79d6ec 100644
--- a/src/handlers/admin/admin_handler_reports.erl
+++ b/src/handlers/admin/admin_handler_reports.erl
@@ -94,8 +94,13 @@ datetime_to_iso8601({{Year, Month, Day}, {Hour, Minute, Second}}) ->
 datetime_to_iso8601(undefined) -> undefined.
 
 send_json(Req, Status, Data) ->
+  Headers = #{
+    <<"content-type">> => <<"application/json">>,
+    <<"access-control-allow-origin">> => <<"*">>,
+    <<"access-control-expose-headers">> => <<"Content-Range">>
+  },
   Body = jsx:encode(Data),
-  cowboy_req:reply(Status, #{<<"content-type">> => <<"application/json">>}, Body, Req),
+  cowboy_req:reply(Status, Headers, Body, Req),
   {ok, Body, []}.
 
 send_error(Req, Status, Message) ->
diff --git a/src/handlers/admin/admin_handler_reviews.erl b/src/handlers/admin/admin_handler_reviews.erl
index ce78726..e104f24 100644
--- a/src/handlers/admin/admin_handler_reviews.erl
+++ b/src/handlers/admin/admin_handler_reviews.erl
@@ -78,8 +78,13 @@ datetime_to_iso8601({{Year, Month, Day}, {Hour, Minute, Second}}) ->
 datetime_to_iso8601(undefined) -> undefined.
 
 send_json(Req, Status, Data) ->
+  Headers = #{
+    <<"content-type">> => <<"application/json">>,
+    <<"access-control-allow-origin">> => <<"*">>,
+    <<"access-control-expose-headers">> => <<"Content-Range">>
+  },
   Body = jsx:encode(Data),
-  cowboy_req:reply(Status, #{<<"content-type">> => <<"application/json">>}, Body, Req),
+  cowboy_req:reply(Status, Headers, Body, Req),
   {ok, Body, []}.
 
 send_error(Req, Status, Message) ->
diff --git a/src/handlers/admin/admin_handler_subscriptions.erl b/src/handlers/admin/admin_handler_subscriptions.erl
index ddc9298..dde61b9 100644
--- a/src/handlers/admin/admin_handler_subscriptions.erl
+++ b/src/handlers/admin/admin_handler_subscriptions.erl
@@ -141,8 +141,13 @@ datetime_to_iso8601({{Year, Month, Day}, {Hour, Minute, Second}}) ->
 datetime_to_iso8601(undefined) -> undefined.
 
 send_json(Req, Status, Data) ->
+  Headers = #{
+    <<"content-type">> => <<"application/json">>,
+    <<"access-control-allow-origin">> => <<"*">>,
+    <<"access-control-expose-headers">> => <<"Content-Range">>
+  },
   Body = jsx:encode(Data),
-  cowboy_req:reply(Status, #{<<"content-type">> => <<"application/json">>}, Body, Req),
+  cowboy_req:reply(Status, Headers, Body, Req),
   {ok, Body, []}.
 
 send_error(Req, Status, Message) ->
diff --git a/src/handlers/admin/admin_handler_ticket_stats.erl b/src/handlers/admin/admin_handler_ticket_stats.erl
index c12d384..2871045 100644
--- a/src/handlers/admin/admin_handler_ticket_stats.erl
+++ b/src/handlers/admin/admin_handler_ticket_stats.erl
@@ -31,8 +31,13 @@ auth_admin(Req) ->
   end.
 
 send_json(Req, Status, Data) ->
+  Headers = #{
+    <<"content-type">> => <<"application/json">>,
+    <<"access-control-allow-origin">> => <<"*">>,
+    <<"access-control-expose-headers">> => <<"Content-Range">>
+  },
   Body = jsx:encode(Data),
-  cowboy_req:reply(Status, #{<<"content-type">> => <<"application/json">>}, Body, Req),
+  cowboy_req:reply(Status, Headers, Body, Req),
   {ok, Body, []}.
 
 send_error(Req, Status, Message) ->
diff --git a/src/handlers/admin/admin_handler_tickets.erl b/src/handlers/admin/admin_handler_tickets.erl
index e073dd8..aea79fa 100644
--- a/src/handlers/admin/admin_handler_tickets.erl
+++ b/src/handlers/admin/admin_handler_tickets.erl
@@ -141,8 +141,13 @@ datetime_to_iso8601({{Year, Month, Day}, {Hour, Minute, Second}}) ->
 datetime_to_iso8601(undefined) -> undefined.
 
 send_json(Req, Status, Data) ->
+  Headers = #{
+    <<"content-type">> => <<"application/json">>,
+    <<"access-control-allow-origin">> => <<"*">>,
+    <<"access-control-expose-headers">> => <<"Content-Range">>
+  },
   Body = jsx:encode(Data),
-  cowboy_req:reply(Status, #{<<"content-type">> => <<"application/json">>}, Body, Req),
+  cowboy_req:reply(Status, Headers, Body, Req),
   {ok, Body, []}.
 
 send_error(Req, Status, Message) ->
diff --git a/src/handlers/admin/admin_handler_users.erl b/src/handlers/admin/admin_handler_users.erl
index 554888f..d23a7ab 100644
--- a/src/handlers/admin/admin_handler_users.erl
+++ b/src/handlers/admin/admin_handler_users.erl
@@ -46,8 +46,13 @@ datetime_to_iso8601({{Y,M,D},{H,Min,S}}) ->
 datetime_to_iso8601(_) -> null.
 
 send_json(Req, Status, Data) ->
+  Headers = #{
+    <<"content-type">> => <<"application/json">>,
+    <<"access-control-allow-origin">> => <<"*">>,
+    <<"access-control-expose-headers">> => <<"Content-Range">>
+  },
   Body = jsx:encode(Data),
-  cowboy_req:reply(Status, #{<<"content-type">> => <<"application/json">>}, Body, Req),
+  cowboy_req:reply(Status, Headers, Body, Req),
   {ok, Body, []}.
 
 send_error(Req, Status, Message) ->