diff --git a/CHANGELOG.md b/CHANGELOG.md
index 414ea2b2cd..713e746a5f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+Release v1.44.143 (2022-11-21)
+===
+
+### Service Client Updates
+* `service/route53`: Updates service API
+  * Amazon Route 53 now supports the Asia Pacific (Hyderabad) Region (ap-south-2) for latency records, geoproximity records, and private DNS for Amazon VPCs in that region.
+
 Release v1.44.142 (2022-11-18)
 ===
 
diff --git a/aws/version.go b/aws/version.go
index 5233e22748..d7ce05e8da 100644
--- a/aws/version.go
+++ b/aws/version.go
@@ -5,4 +5,4 @@ package aws
 const SDKName = "aws-sdk-go"
 
 // SDKVersion is the version of this SDK
-const SDKVersion = "1.44.142"
+const SDKVersion = "1.44.143"
diff --git a/models/apis/route53/2013-04-01/api-2.json b/models/apis/route53/2013-04-01/api-2.json
index 29b12e2f9f..0e4b871293 100644
--- a/models/apis/route53/2013-04-01/api-2.json
+++ b/models/apis/route53/2013-04-01/api-2.json
@@ -1532,6 +1532,7 @@
         "me-south-1",
         "me-central-1",
         "ap-south-1",
+        "ap-south-2",
         "ap-southeast-1",
         "ap-southeast-2",
         "ap-southeast-3",
@@ -4143,6 +4144,7 @@
         "me-south-1",
         "me-central-1",
         "ap-south-1",
+        "ap-south-2",
         "af-south-1",
         "eu-south-1",
         "eu-south-2"
@@ -4753,6 +4755,7 @@
         "ap-southeast-2",
         "ap-southeast-3",
         "ap-south-1",
+        "ap-south-2",
         "ap-northeast-1",
         "ap-northeast-2",
         "ap-northeast-3",
diff --git a/models/apis/route53/2013-04-01/endpoint-rule-set-1.json b/models/apis/route53/2013-04-01/endpoint-rule-set-1.json
index f404792dc4..64bd630057 100644
--- a/models/apis/route53/2013-04-01/endpoint-rule-set-1.json
+++ b/models/apis/route53/2013-04-01/endpoint-rule-set-1.json
@@ -3,7 +3,7 @@
     "parameters": {
         "Region": {
             "builtIn": "AWS::Region",
-            "required": false,
+            "required": true,
             "documentation": "The AWS region used to dispatch the request.",
             "type": "String"
         },
diff --git a/models/apis/route53/2013-04-01/endpoint-tests-1.json b/models/apis/route53/2013-04-01/endpoint-tests-1.json
index b5c63bf822..2a15c0264c 100644
--- a/models/apis/route53/2013-04-01/endpoint-tests-1.json
+++ b/models/apis/route53/2013-04-01/endpoint-tests-1.json
@@ -18,8 +18,8 @@
             },
             "params": {
                 "UseDualStack": false,
-                "UseFIPS": false,
-                "Region": "aws-cn-global"
+                "Region": "aws-cn-global",
+                "UseFIPS": false
             }
         },
         {
@@ -40,8 +40,8 @@
             },
             "params": {
                 "UseDualStack": false,
-                "UseFIPS": false,
-                "Region": "aws-global"
+                "Region": "aws-global",
+                "UseFIPS": false
             }
         },
         {
@@ -62,8 +62,8 @@
             },
             "params": {
                 "UseDualStack": false,
-                "UseFIPS": false,
-                "Region": "aws-iso-global"
+                "Region": "aws-iso-global",
+                "UseFIPS": false
             }
         },
         {
@@ -84,8 +84,8 @@
             },
             "params": {
                 "UseDualStack": false,
-                "UseFIPS": false,
-                "Region": "aws-iso-b-global"
+                "Region": "aws-iso-b-global",
+                "UseFIPS": false
             }
         },
         {
@@ -106,8 +106,8 @@
             },
             "params": {
                 "UseDualStack": false,
-                "UseFIPS": false,
-                "Region": "aws-us-gov-global"
+                "Region": "aws-us-gov-global",
+                "UseFIPS": false
             }
         },
         {
@@ -119,8 +119,8 @@
             },
             "params": {
                 "UseDualStack": false,
-                "UseFIPS": false,
                 "Region": "us-east-1",
+                "UseFIPS": false,
                 "Endpoint": "https://example.com"
             }
         },
@@ -131,8 +131,8 @@
             },
             "params": {
                 "UseDualStack": false,
-                "UseFIPS": true,
                 "Region": "us-east-1",
+                "UseFIPS": true,
                 "Endpoint": "https://example.com"
             }
         },
@@ -143,8 +143,8 @@
             },
             "params": {
                 "UseDualStack": true,
-                "UseFIPS": false,
                 "Region": "us-east-1",
+                "UseFIPS": false,
                 "Endpoint": "https://example.com"
             }
         }
diff --git a/service/route53/api.go b/service/route53/api.go
index 322afb893b..29890d7ad7 100644
--- a/service/route53/api.go
+++ b/service/route53/api.go
@@ -20368,6 +20368,9 @@ const (
 	// CloudWatchRegionApSouth1 is a CloudWatchRegion enum value
 	CloudWatchRegionApSouth1 = "ap-south-1"
 
+	// CloudWatchRegionApSouth2 is a CloudWatchRegion enum value
+	CloudWatchRegionApSouth2 = "ap-south-2"
+
 	// CloudWatchRegionApSoutheast1 is a CloudWatchRegion enum value
 	CloudWatchRegionApSoutheast1 = "ap-southeast-1"
 
@@ -20440,6 +20443,7 @@ func CloudWatchRegion_Values() []string {
 		CloudWatchRegionMeSouth1,
 		CloudWatchRegionMeCentral1,
 		CloudWatchRegionApSouth1,
+		CloudWatchRegionApSouth2,
 		CloudWatchRegionApSoutheast1,
 		CloudWatchRegionApSoutheast2,
 		CloudWatchRegionApSoutheast3,
@@ -20774,6 +20778,9 @@ const (
 	// ResourceRecordSetRegionApSouth1 is a ResourceRecordSetRegion enum value
 	ResourceRecordSetRegionApSouth1 = "ap-south-1"
 
+	// ResourceRecordSetRegionApSouth2 is a ResourceRecordSetRegion enum value
+	ResourceRecordSetRegionApSouth2 = "ap-south-2"
+
 	// ResourceRecordSetRegionAfSouth1 is a ResourceRecordSetRegion enum value
 	ResourceRecordSetRegionAfSouth1 = "af-south-1"
 
@@ -20811,6 +20818,7 @@ func ResourceRecordSetRegion_Values() []string {
 		ResourceRecordSetRegionMeSouth1,
 		ResourceRecordSetRegionMeCentral1,
 		ResourceRecordSetRegionApSouth1,
+		ResourceRecordSetRegionApSouth2,
 		ResourceRecordSetRegionAfSouth1,
 		ResourceRecordSetRegionEuSouth1,
 		ResourceRecordSetRegionEuSouth2,
@@ -20937,6 +20945,9 @@ const (
 	// VPCRegionApSouth1 is a VPCRegion enum value
 	VPCRegionApSouth1 = "ap-south-1"
 
+	// VPCRegionApSouth2 is a VPCRegion enum value
+	VPCRegionApSouth2 = "ap-south-2"
+
 	// VPCRegionApNortheast1 is a VPCRegion enum value
 	VPCRegionApNortheast1 = "ap-northeast-1"
 
@@ -20992,6 +21003,7 @@ func VPCRegion_Values() []string {
 		VPCRegionApSoutheast2,
 		VPCRegionApSoutheast3,
 		VPCRegionApSouth1,
+		VPCRegionApSouth2,
 		VPCRegionApNortheast1,
 		VPCRegionApNortheast2,
 		VPCRegionApNortheast3,