diff --git a/codegen/smithy-aws-go-codegen/src/main/resources/software/amazon/smithy/aws/go/codegen/endpoints.json b/codegen/smithy-aws-go-codegen/src/main/resources/software/amazon/smithy/aws/go/codegen/endpoints.json
index 7e028eab88d..05a0eda4e26 100644
--- a/codegen/smithy-aws-go-codegen/src/main/resources/software/amazon/smithy/aws/go/codegen/endpoints.json
+++ b/codegen/smithy-aws-go-codegen/src/main/resources/software/amazon/smithy/aws/go/codegen/endpoints.json
@@ -10402,28 +10402,138 @@
       },
       "glue" : {
         "endpoints" : {
-          "af-south-1" : { },
-          "ap-east-1" : { },
-          "ap-northeast-1" : { },
-          "ap-northeast-2" : { },
-          "ap-northeast-3" : { },
-          "ap-south-1" : { },
-          "ap-south-2" : { },
-          "ap-southeast-1" : { },
-          "ap-southeast-2" : { },
-          "ap-southeast-3" : { },
-          "ap-southeast-4" : { },
-          "ap-southeast-5" : { },
-          "ca-central-1" : { },
-          "ca-west-1" : { },
-          "eu-central-1" : { },
-          "eu-central-2" : { },
-          "eu-north-1" : { },
-          "eu-south-1" : { },
-          "eu-south-2" : { },
-          "eu-west-1" : { },
-          "eu-west-2" : { },
-          "eu-west-3" : { },
+          "af-south-1" : {
+            "variants" : [ {
+              "hostname" : "glue.af-south-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-east-1" : {
+            "variants" : [ {
+              "hostname" : "glue.ap-east-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-northeast-1" : {
+            "variants" : [ {
+              "hostname" : "glue.ap-northeast-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-northeast-2" : {
+            "variants" : [ {
+              "hostname" : "glue.ap-northeast-2.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-northeast-3" : {
+            "variants" : [ {
+              "hostname" : "glue.ap-northeast-3.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-south-1" : {
+            "variants" : [ {
+              "hostname" : "glue.ap-south-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-south-2" : {
+            "variants" : [ {
+              "hostname" : "glue.ap-south-2.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-southeast-1" : {
+            "variants" : [ {
+              "hostname" : "glue.ap-southeast-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-southeast-2" : {
+            "variants" : [ {
+              "hostname" : "glue.ap-southeast-2.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-southeast-3" : {
+            "variants" : [ {
+              "hostname" : "glue.ap-southeast-3.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-southeast-4" : {
+            "variants" : [ {
+              "hostname" : "glue.ap-southeast-4.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-southeast-5" : {
+            "variants" : [ {
+              "hostname" : "glue.ap-southeast-5.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ca-central-1" : {
+            "variants" : [ {
+              "hostname" : "glue.ca-central-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ca-west-1" : {
+            "variants" : [ {
+              "hostname" : "glue.ca-west-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-central-1" : {
+            "variants" : [ {
+              "hostname" : "glue.eu-central-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-central-2" : {
+            "variants" : [ {
+              "hostname" : "glue.eu-central-2.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-north-1" : {
+            "variants" : [ {
+              "hostname" : "glue.eu-north-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-south-1" : {
+            "variants" : [ {
+              "hostname" : "glue.eu-south-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-south-2" : {
+            "variants" : [ {
+              "hostname" : "glue.eu-south-2.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-west-1" : {
+            "variants" : [ {
+              "hostname" : "glue.eu-west-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-west-2" : {
+            "variants" : [ {
+              "hostname" : "glue.eu-west-2.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-west-3" : {
+            "variants" : [ {
+              "hostname" : "glue.eu-west-3.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
           "fips-us-east-1" : {
             "credentialScope" : {
               "region" : "us-east-1"
@@ -10452,32 +10562,76 @@
             "deprecated" : true,
             "hostname" : "glue-fips.us-west-2.amazonaws.com"
           },
-          "il-central-1" : { },
-          "me-central-1" : { },
-          "me-south-1" : { },
-          "sa-east-1" : { },
+          "il-central-1" : {
+            "variants" : [ {
+              "hostname" : "glue.il-central-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "me-central-1" : {
+            "variants" : [ {
+              "hostname" : "glue.me-central-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "me-south-1" : {
+            "variants" : [ {
+              "hostname" : "glue.me-south-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "sa-east-1" : {
+            "variants" : [ {
+              "hostname" : "glue.sa-east-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
           "us-east-1" : {
             "variants" : [ {
               "hostname" : "glue-fips.us-east-1.amazonaws.com",
               "tags" : [ "fips" ]
+            }, {
+              "hostname" : "glue-fips.us-east-1.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            }, {
+              "hostname" : "glue.us-east-1.api.aws",
+              "tags" : [ "dualstack" ]
             } ]
           },
           "us-east-2" : {
             "variants" : [ {
               "hostname" : "glue-fips.us-east-2.amazonaws.com",
               "tags" : [ "fips" ]
+            }, {
+              "hostname" : "glue-fips.us-east-2.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            }, {
+              "hostname" : "glue.us-east-2.api.aws",
+              "tags" : [ "dualstack" ]
             } ]
           },
           "us-west-1" : {
             "variants" : [ {
               "hostname" : "glue-fips.us-west-1.amazonaws.com",
               "tags" : [ "fips" ]
+            }, {
+              "hostname" : "glue-fips.us-west-1.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            }, {
+              "hostname" : "glue.us-west-1.api.aws",
+              "tags" : [ "dualstack" ]
             } ]
           },
           "us-west-2" : {
             "variants" : [ {
               "hostname" : "glue-fips.us-west-2.amazonaws.com",
               "tags" : [ "fips" ]
+            }, {
+              "hostname" : "glue-fips.us-west-2.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            }, {
+              "hostname" : "glue.us-west-2.api.aws",
+              "tags" : [ "dualstack" ]
             } ]
           }
         }
@@ -13991,21 +14145,96 @@
       },
       "macie2" : {
         "endpoints" : {
-          "af-south-1" : { },
-          "ap-east-1" : { },
-          "ap-northeast-1" : { },
-          "ap-northeast-2" : { },
-          "ap-northeast-3" : { },
-          "ap-south-1" : { },
-          "ap-southeast-1" : { },
-          "ap-southeast-2" : { },
-          "ca-central-1" : { },
-          "eu-central-1" : { },
-          "eu-north-1" : { },
-          "eu-south-1" : { },
-          "eu-west-1" : { },
-          "eu-west-2" : { },
-          "eu-west-3" : { },
+          "af-south-1" : {
+            "variants" : [ {
+              "hostname" : "macie2.af-south-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-east-1" : {
+            "variants" : [ {
+              "hostname" : "macie2.ap-east-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-northeast-1" : {
+            "variants" : [ {
+              "hostname" : "macie2.ap-northeast-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-northeast-2" : {
+            "variants" : [ {
+              "hostname" : "macie2.ap-northeast-2.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-northeast-3" : {
+            "variants" : [ {
+              "hostname" : "macie2.ap-northeast-3.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-south-1" : {
+            "variants" : [ {
+              "hostname" : "macie2.ap-south-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-southeast-1" : {
+            "variants" : [ {
+              "hostname" : "macie2.ap-southeast-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-southeast-2" : {
+            "variants" : [ {
+              "hostname" : "macie2.ap-southeast-2.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ca-central-1" : {
+            "variants" : [ {
+              "hostname" : "macie2.ca-central-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-central-1" : {
+            "variants" : [ {
+              "hostname" : "macie2.eu-central-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-north-1" : {
+            "variants" : [ {
+              "hostname" : "macie2.eu-north-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-south-1" : {
+            "variants" : [ {
+              "hostname" : "macie2.eu-south-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-west-1" : {
+            "variants" : [ {
+              "hostname" : "macie2.eu-west-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-west-2" : {
+            "variants" : [ {
+              "hostname" : "macie2.eu-west-2.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-west-3" : {
+            "variants" : [ {
+              "hostname" : "macie2.eu-west-3.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
           "fips-us-east-1" : {
             "credentialScope" : {
               "region" : "us-east-1"
@@ -14034,31 +14263,70 @@
             "deprecated" : true,
             "hostname" : "macie2-fips.us-west-2.amazonaws.com"
           },
-          "il-central-1" : { },
-          "me-south-1" : { },
-          "sa-east-1" : { },
+          "il-central-1" : {
+            "variants" : [ {
+              "hostname" : "macie2.il-central-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "me-south-1" : {
+            "variants" : [ {
+              "hostname" : "macie2.me-south-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "sa-east-1" : {
+            "variants" : [ {
+              "hostname" : "macie2.sa-east-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
           "us-east-1" : {
             "variants" : [ {
               "hostname" : "macie2-fips.us-east-1.amazonaws.com",
               "tags" : [ "fips" ]
+            }, {
+              "hostname" : "macie2-fips.us-east-1.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            }, {
+              "hostname" : "macie2.us-east-1.api.aws",
+              "tags" : [ "dualstack" ]
             } ]
           },
           "us-east-2" : {
             "variants" : [ {
               "hostname" : "macie2-fips.us-east-2.amazonaws.com",
               "tags" : [ "fips" ]
+            }, {
+              "hostname" : "macie2-fips.us-east-2.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            }, {
+              "hostname" : "macie2.us-east-2.api.aws",
+              "tags" : [ "dualstack" ]
             } ]
           },
           "us-west-1" : {
             "variants" : [ {
               "hostname" : "macie2-fips.us-west-1.amazonaws.com",
               "tags" : [ "fips" ]
+            }, {
+              "hostname" : "macie2-fips.us-west-1.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            }, {
+              "hostname" : "macie2.us-west-1.api.aws",
+              "tags" : [ "dualstack" ]
             } ]
           },
           "us-west-2" : {
             "variants" : [ {
               "hostname" : "macie2-fips.us-west-2.amazonaws.com",
               "tags" : [ "fips" ]
+            }, {
+              "hostname" : "macie2-fips.us-west-2.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            }, {
+              "hostname" : "macie2.us-west-2.api.aws",
+              "tags" : [ "dualstack" ]
             } ]
           }
         }
@@ -14149,25 +14417,96 @@
       },
       "mediaconvert" : {
         "endpoints" : {
-          "af-south-1" : { },
-          "ap-northeast-1" : { },
-          "ap-northeast-2" : { },
-          "ap-northeast-3" : { },
-          "ap-south-1" : { },
-          "ap-southeast-1" : { },
-          "ap-southeast-2" : { },
-          "ap-southeast-4" : { },
+          "af-south-1" : {
+            "variants" : [ {
+              "hostname" : "mediaconvert.af-south-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-northeast-1" : {
+            "variants" : [ {
+              "hostname" : "mediaconvert.ap-northeast-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-northeast-2" : {
+            "variants" : [ {
+              "hostname" : "mediaconvert.ap-northeast-2.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-northeast-3" : {
+            "variants" : [ {
+              "hostname" : "mediaconvert.ap-northeast-3.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-south-1" : {
+            "variants" : [ {
+              "hostname" : "mediaconvert.ap-south-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-southeast-1" : {
+            "variants" : [ {
+              "hostname" : "mediaconvert.ap-southeast-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-southeast-2" : {
+            "variants" : [ {
+              "hostname" : "mediaconvert.ap-southeast-2.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-southeast-4" : {
+            "variants" : [ {
+              "hostname" : "mediaconvert.ap-southeast-4.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "mediaconvert-fips.ca-central-1.amazonaws.com",
               "tags" : [ "fips" ]
+            }, {
+              "hostname" : "mediaconvert-fips.ca-central-1.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            }, {
+              "hostname" : "mediaconvert.ca-central-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-central-1" : {
+            "variants" : [ {
+              "hostname" : "mediaconvert.eu-central-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-north-1" : {
+            "variants" : [ {
+              "hostname" : "mediaconvert.eu-north-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-west-1" : {
+            "variants" : [ {
+              "hostname" : "mediaconvert.eu-west-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-west-2" : {
+            "variants" : [ {
+              "hostname" : "mediaconvert.eu-west-2.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-west-3" : {
+            "variants" : [ {
+              "hostname" : "mediaconvert.eu-west-3.api.aws",
+              "tags" : [ "dualstack" ]
             } ]
           },
-          "eu-central-1" : { },
-          "eu-north-1" : { },
-          "eu-west-1" : { },
-          "eu-west-2" : { },
-          "eu-west-3" : { },
           "fips-ca-central-1" : {
             "credentialScope" : {
               "region" : "ca-central-1"
@@ -14203,30 +14542,64 @@
             "deprecated" : true,
             "hostname" : "mediaconvert-fips.us-west-2.amazonaws.com"
           },
-          "me-central-1" : { },
-          "sa-east-1" : { },
+          "me-central-1" : {
+            "variants" : [ {
+              "hostname" : "mediaconvert.me-central-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "sa-east-1" : {
+            "variants" : [ {
+              "hostname" : "mediaconvert.sa-east-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
           "us-east-1" : {
             "variants" : [ {
               "hostname" : "mediaconvert-fips.us-east-1.amazonaws.com",
               "tags" : [ "fips" ]
+            }, {
+              "hostname" : "mediaconvert-fips.us-east-1.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            }, {
+              "hostname" : "mediaconvert.us-east-1.api.aws",
+              "tags" : [ "dualstack" ]
             } ]
           },
           "us-east-2" : {
             "variants" : [ {
               "hostname" : "mediaconvert-fips.us-east-2.amazonaws.com",
               "tags" : [ "fips" ]
+            }, {
+              "hostname" : "mediaconvert-fips.us-east-2.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            }, {
+              "hostname" : "mediaconvert.us-east-2.api.aws",
+              "tags" : [ "dualstack" ]
             } ]
           },
           "us-west-1" : {
             "variants" : [ {
               "hostname" : "mediaconvert-fips.us-west-1.amazonaws.com",
               "tags" : [ "fips" ]
+            }, {
+              "hostname" : "mediaconvert-fips.us-west-1.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            }, {
+              "hostname" : "mediaconvert.us-west-1.api.aws",
+              "tags" : [ "dualstack" ]
             } ]
           },
           "us-west-2" : {
             "variants" : [ {
               "hostname" : "mediaconvert-fips.us-west-2.amazonaws.com",
               "tags" : [ "fips" ]
+            }, {
+              "hostname" : "mediaconvert-fips.us-west-2.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            }, {
+              "hostname" : "mediaconvert.us-west-2.api.aws",
+              "tags" : [ "dualstack" ]
             } ]
           }
         }
@@ -25211,8 +25584,18 @@
       },
       "glue" : {
         "endpoints" : {
-          "cn-north-1" : { },
-          "cn-northwest-1" : { }
+          "cn-north-1" : {
+            "variants" : [ {
+              "hostname" : "glue.cn-north-1.api.amazonwebservices.com.cn",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "cn-northwest-1" : {
+            "variants" : [ {
+              "hostname" : "glue.cn-northwest-1.api.amazonwebservices.com.cn",
+              "tags" : [ "dualstack" ]
+            } ]
+          }
         }
       },
       "greengrass" : {
@@ -25446,10 +25829,10 @@
       "mediaconvert" : {
         "endpoints" : {
           "cn-northwest-1" : {
-            "credentialScope" : {
-              "region" : "cn-northwest-1"
-            },
-            "hostname" : "mediaconvert.cn-northwest-1.amazonaws.com.cn"
+            "variants" : [ {
+              "hostname" : "mediaconvert.cn-northwest-1.api.amazonwebservices.com.cn",
+              "tags" : [ "dualstack" ]
+            } ]
           }
         }
       },
@@ -29265,6 +29648,12 @@
             "variants" : [ {
               "hostname" : "mediaconvert.us-gov-west-1.amazonaws.com",
               "tags" : [ "fips" ]
+            }, {
+              "hostname" : "mediaconvert.us-gov-west-1.api.aws",
+              "tags" : [ "dualstack" ]
+            }, {
+              "hostname" : "mediaconvert.us-gov-west-1.api.aws",
+              "tags" : [ "dualstack", "fips" ]
             } ]
           }
         }