diff --git a/lib/aws_codegen.ex b/lib/aws_codegen.ex
index 858dccf..8fc0483 100644
--- a/lib/aws_codegen.ex
+++ b/lib/aws_codegen.ex
@@ -27,6 +27,7 @@ defmodule AWS.CodeGen do
               encode: nil,
               endpoint_prefix: nil,
               is_global: false,
+              hostname: nil,
               json_version: nil,
               language: nil,
               module_name: nil,
diff --git a/lib/aws_codegen/post_service.ex b/lib/aws_codegen/post_service.ex
index 576ea3e..bcdf314 100644
--- a/lib/aws_codegen/post_service.ex
+++ b/lib/aws_codegen/post_service.ex
@@ -74,6 +74,11 @@ defmodule AWS.CodeGen.PostService do
         endpoint_info["endpoints"]["aws-global"]["credentialScope"]["region"]
       end
 
+    hostname =
+      if is_global do
+        endpoint_info["endpoints"]["aws-global"]["hostname"]
+      end
+
     json_version = AWS.CodeGen.Util.get_json_version(service)
     protocol = spec.protocol |> to_string()
     content_type = @configuration[protocol][:content_type]
@@ -96,6 +101,7 @@ defmodule AWS.CodeGen.PostService do
       encode: Map.fetch!(@configuration[protocol][language], :encode),
       endpoint_prefix: endpoint_prefix,
       is_global: is_global,
+      hostname: hostname,
       json_version: json_version,
       language: language,
       module_name: spec.module_name,
diff --git a/lib/aws_codegen/rest_service.ex b/lib/aws_codegen/rest_service.ex
index cfe723e..02d2e50 100644
--- a/lib/aws_codegen/rest_service.ex
+++ b/lib/aws_codegen/rest_service.ex
@@ -132,6 +132,11 @@ defmodule AWS.CodeGen.RestService do
         endpoint_info["endpoints"]["aws-global"]["credentialScope"]["region"]
       end
 
+    hostname =
+      if is_global do
+        endpoint_info["endpoints"]["aws-global"]["hostname"]
+      end
+
     signing_name = traits["aws.auth#sigv4"]["name"] || endpoint_prefix
 
     %Service{
@@ -144,6 +149,7 @@ defmodule AWS.CodeGen.RestService do
       encode: Map.fetch!(@configuration[protocol][language], :encode),
       endpoint_prefix: endpoint_prefix,
       is_global: is_global,
+      hostname: hostname,
       json_version: AWS.CodeGen.Util.get_json_version(service),
       language: language,
       module_name: spec.module_name,
diff --git a/priv/post.ex.eex b/priv/post.ex.eex
index 7d284a7..f839641 100644
--- a/priv/post.ex.eex
+++ b/priv/post.ex.eex
@@ -58,6 +58,7 @@ defmodule <%= context.module_name %> do
       credential_scope: <%= inspect(context.credential_scope) %>,
       endpoint_prefix: <%= inspect(context.endpoint_prefix) %>,
       global?: <%= inspect(context.is_global) %>,
+      hostname: <%= inspect(context.hostname) %>,
       protocol: <%= inspect(context.protocol) %>,
       service_id: <%= inspect(context.service_id) %>,
       signature_version: <%= inspect(context.signature_version) %>,
diff --git a/priv/rest.ex.eex b/priv/rest.ex.eex
index ed83d03..0bf88e3 100644
--- a/priv/rest.ex.eex
+++ b/priv/rest.ex.eex
@@ -58,6 +58,7 @@ defmodule <%= context.module_name %> do
       credential_scope: <%= inspect(context.credential_scope) %>,
       endpoint_prefix: <%= inspect(context.endpoint_prefix) %>,
       global?: <%= inspect(context.is_global) %>,
+      hostname: <%= inspect(context.hostname) %>,
       protocol: <%= inspect(context.protocol) %>,
       service_id: <%= inspect(context.service_id) %>,
       signature_version: <%= inspect(context.signature_version) %>,
diff --git a/test/aws_codegen_test.exs b/test/aws_codegen_test.exs
index 5504e39..bd120e0 100644
--- a/test/aws_codegen_test.exs
+++ b/test/aws_codegen_test.exs
@@ -213,6 +213,7 @@ defmodule AWS.CodeGenTest do
                      credential_scope: nil,
                      endpoint_prefix: \"cloudtrail-data\",
                      global?: false,
+                     hostname: nil,
                      protocol: \"rest-json\",
                      service_id: \"CloudTrail Data\",
                      signature_version: \"v4\",
@@ -448,6 +449,7 @@ defmodule AWS.CodeGenTest do
                      credential_scope: nil,
                      endpoint_prefix: \"cloudtrail-data\",
                      global?: false,
+                     hostname: nil,
                      protocol: \"rest-json\",
                      service_id: \"CloudTrail Data\",
                      signature_version: \"v4\",
@@ -690,6 +692,7 @@ defmodule AWS.CodeGenTest do
                      credential_scope: nil,
                      endpoint_prefix: \"cloudtrail-data\",
                      global?: false,
+                     hostname: nil,
                      protocol: \"rest-json\",
                      service_id: \"CloudTrail Data\",
                      signature_version: \"v4\",