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 d0a69877c0f..0a4abace07a 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
@@ -18598,26 +18598,126 @@
       },
       "resiliencehub" : {
         "endpoints" : {
-          "af-south-1" : { },
-          "ap-east-1" : { },
-          "ap-northeast-1" : { },
-          "ap-northeast-2" : { },
-          "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" : { },
-          "me-south-1" : { },
-          "sa-east-1" : { },
-          "us-east-1" : { },
-          "us-east-2" : { },
-          "us-west-1" : { },
-          "us-west-2" : { }
+          "af-south-1" : {
+            "variants" : [ {
+              "hostname" : "resiliencehub.af-south-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-east-1" : {
+            "variants" : [ {
+              "hostname" : "resiliencehub.ap-east-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-northeast-1" : {
+            "variants" : [ {
+              "hostname" : "resiliencehub.ap-northeast-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-northeast-2" : {
+            "variants" : [ {
+              "hostname" : "resiliencehub.ap-northeast-2.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-south-1" : {
+            "variants" : [ {
+              "hostname" : "resiliencehub.ap-south-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-southeast-1" : {
+            "variants" : [ {
+              "hostname" : "resiliencehub.ap-southeast-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ap-southeast-2" : {
+            "variants" : [ {
+              "hostname" : "resiliencehub.ap-southeast-2.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "ca-central-1" : {
+            "variants" : [ {
+              "hostname" : "resiliencehub.ca-central-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-central-1" : {
+            "variants" : [ {
+              "hostname" : "resiliencehub.eu-central-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-north-1" : {
+            "variants" : [ {
+              "hostname" : "resiliencehub.eu-north-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-south-1" : {
+            "variants" : [ {
+              "hostname" : "resiliencehub.eu-south-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-west-1" : {
+            "variants" : [ {
+              "hostname" : "resiliencehub.eu-west-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-west-2" : {
+            "variants" : [ {
+              "hostname" : "resiliencehub.eu-west-2.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-west-3" : {
+            "variants" : [ {
+              "hostname" : "resiliencehub.eu-west-3.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "me-south-1" : {
+            "variants" : [ {
+              "hostname" : "resiliencehub.me-south-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "sa-east-1" : {
+            "variants" : [ {
+              "hostname" : "resiliencehub.sa-east-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "us-east-1" : {
+            "variants" : [ {
+              "hostname" : "resiliencehub.us-east-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "us-east-2" : {
+            "variants" : [ {
+              "hostname" : "resiliencehub.us-east-2.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "us-west-1" : {
+            "variants" : [ {
+              "hostname" : "resiliencehub.us-west-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "us-west-2" : {
+            "variants" : [ {
+              "hostname" : "resiliencehub.us-west-2.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          }
         }
       },
       "resource-explorer-2" : {
@@ -31220,12 +31320,24 @@
             "variants" : [ {
               "hostname" : "resiliencehub-fips.us-gov-east-1.amazonaws.com",
               "tags" : [ "fips" ]
+            }, {
+              "hostname" : "resiliencehub-fips.us-gov-east-1.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            }, {
+              "hostname" : "resiliencehub.us-gov-east-1.api.aws",
+              "tags" : [ "dualstack" ]
             } ]
           },
           "us-gov-west-1" : {
             "variants" : [ {
               "hostname" : "resiliencehub-fips.us-gov-west-1.amazonaws.com",
               "tags" : [ "fips" ]
+            }, {
+              "hostname" : "resiliencehub-fips.us-gov-west-1.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            }, {
+              "hostname" : "resiliencehub.us-gov-west-1.api.aws",
+              "tags" : [ "dualstack" ]
             } ]
           }
         }