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 91cd5dca53f..29b28781f8d 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
@@ -59,6 +59,9 @@
       "ap-southeast-5" : {
         "description" : "Asia Pacific (Malaysia)"
       },
+      "ap-southeast-7" : {
+        "description" : "Asia Pacific (Thailand)"
+      },
       "ca-central-1" : {
         "description" : "Canada (Central)"
       },
@@ -129,6 +132,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "access-analyzer-fips.ca-central-1.amazonaws.com",
@@ -247,6 +251,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "acm-fips.ca-central-1.amazonaws.com",
@@ -791,6 +796,16 @@
               "tags" : [ "dualstack" ]
             } ]
           },
+          "ap-southeast-7" : {
+            "credentialScope" : {
+              "region" : "ap-southeast-7"
+            },
+            "hostname" : "api.ecr.ap-southeast-7.amazonaws.com",
+            "variants" : [ {
+              "hostname" : "ecr.ap-southeast-7.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
           "ca-central-1" : {
             "credentialScope" : {
               "region" : "ca-central-1"
@@ -1608,6 +1623,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "apigateway-fips.ca-central-1.amazonaws.com",
@@ -1728,6 +1744,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -1762,6 +1779,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -1867,6 +1885,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -2382,6 +2401,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -2745,6 +2765,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "autoscaling-fips.ca-central-1.amazonaws.com",
@@ -2945,6 +2966,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -3943,6 +3965,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -4222,6 +4245,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -4533,6 +4557,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -5525,6 +5550,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -6254,6 +6280,12 @@
               "tags" : [ "dualstack" ]
             } ]
           },
+          "ap-southeast-7" : {
+            "variants" : [ {
+              "hostname" : "datasync.ap-southeast-7.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "datasync-fips.ca-central-1.amazonaws.com",
@@ -6479,6 +6511,9 @@
           "ap-southeast-5" : {
             "hostname" : "datazone.ap-southeast-5.api.aws"
           },
+          "ap-southeast-7" : {
+            "hostname" : "datazone.ap-southeast-7.api.aws"
+          },
           "ca-central-1" : {
             "hostname" : "datazone.ca-central-1.api.aws",
             "variants" : [ {
@@ -6666,6 +6701,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "directconnect-fips.ca-central-1.amazonaws.com",
@@ -6843,6 +6879,12 @@
               "tags" : [ "dualstack" ]
             } ]
           },
+          "ap-southeast-7" : {
+            "variants" : [ {
+              "hostname" : "dlm.ap-southeast-7.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "dlm-fips.ca-central-1.api.aws",
@@ -6985,6 +7027,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "dms" : {
@@ -7361,6 +7404,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "dynamodb-fips.ca-central-1.amazonaws.com",
@@ -7474,6 +7518,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "ebs-fips.ca-central-1.amazonaws.com",
@@ -7618,6 +7663,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "ec2-fips.ca-central-1.amazonaws.com",
@@ -7779,6 +7825,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -7878,6 +7925,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -7992,6 +8040,9 @@
           "ap-southeast-5" : {
             "hostname" : "eks-auth.ap-southeast-5.api.aws"
           },
+          "ap-southeast-7" : {
+            "hostname" : "eks-auth.ap-southeast-7.api.aws"
+          },
           "ca-central-1" : {
             "hostname" : "eks-auth.ca-central-1.api.aws"
           },
@@ -8062,6 +8113,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -8742,6 +8794,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -8828,6 +8881,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "elasticmapreduce-fips.ca-central-1.amazonaws.com",
@@ -9287,6 +9341,12 @@
               "tags" : [ "dualstack" ]
             } ]
           },
+          "ap-southeast-7" : {
+            "variants" : [ {
+              "hostname" : "aos.ap-southeast-7.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "aos.ca-central-1.api.aws",
@@ -9458,6 +9518,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -11497,6 +11558,9 @@
           "ap-southeast-5" : {
             "hostname" : "internetmonitor.ap-southeast-5.api.aws"
           },
+          "ap-southeast-7" : {
+            "hostname" : "internetmonitor.ap-southeast-7.api.aws"
+          },
           "ca-central-1" : {
             "hostname" : "internetmonitor.ca-central-1.api.aws",
             "variants" : [ {
@@ -12566,6 +12630,9 @@
           "ap-southeast-5" : {
             "hostname" : "kendra-ranking.ap-southeast-5.api.aws"
           },
+          "ap-southeast-7" : {
+            "hostname" : "kendra-ranking.ap-southeast-7.api.aws"
+          },
           "ca-central-1" : {
             "hostname" : "kendra-ranking.ca-central-1.api.aws",
             "variants" : [ {
@@ -12646,6 +12713,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -13005,6 +13073,19 @@
             "deprecated" : true,
             "hostname" : "kms-fips.ap-southeast-5.amazonaws.com"
           },
+          "ap-southeast-7" : {
+            "variants" : [ {
+              "hostname" : "kms-fips.ap-southeast-7.amazonaws.com",
+              "tags" : [ "fips" ]
+            } ]
+          },
+          "ap-southeast-7-fips" : {
+            "credentialScope" : {
+              "region" : "ap-southeast-7"
+            },
+            "deprecated" : true,
+            "hostname" : "kms-fips.ap-southeast-7.amazonaws.com"
+          },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "kms-fips.ca-central-1.amazonaws.com",
@@ -13551,6 +13632,12 @@
               "tags" : [ "dualstack" ]
             } ]
           },
+          "ap-southeast-7" : {
+            "variants" : [ {
+              "hostname" : "lambda.ap-southeast-7.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "lambda.ca-central-1.api.aws",
@@ -14037,6 +14124,12 @@
               "tags" : [ "dualstack" ]
             } ]
           },
+          "ap-southeast-7" : {
+            "variants" : [ {
+              "hostname" : "logs.ap-southeast-7.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "logs-fips.ca-central-1.amazonaws.com",
@@ -15344,6 +15437,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -15778,6 +15872,9 @@
           "ap-southeast-5" : {
             "hostname" : "notifications.ap-southeast-5.api.aws"
           },
+          "ap-southeast-7" : {
+            "hostname" : "notifications.ap-southeast-7.api.aws"
+          },
           "ca-central-1" : {
             "hostname" : "notifications.ca-central-1.api.aws"
           },
@@ -15860,6 +15957,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -16422,6 +16520,13 @@
               "tags" : [ "dualstack" ]
             } ]
           },
+          "ap-southeast-7" : {
+            "protocols" : [ "https" ],
+            "variants" : [ {
+              "hostname" : "pi.ap-southeast-7.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
           "ca-central-1" : {
             "protocols" : [ "https" ],
             "variants" : [ {
@@ -17215,6 +17320,9 @@
           "ap-southeast-5" : {
             "hostname" : "qbusiness.ap-southeast-5.api.aws"
           },
+          "ap-southeast-7" : {
+            "hostname" : "qbusiness.ap-southeast-7.api.aws"
+          },
           "ca-central-1" : {
             "hostname" : "qbusiness.ca-central-1.api.aws"
           },
@@ -17372,6 +17480,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "ram-fips.ca-central-1.amazonaws.com",
@@ -17538,6 +17647,7 @@
               "tags" : [ "dualstack" ]
             } ]
           },
+          "ap-southeast-7" : { },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "rbin-fips.ca-central-1.amazonaws.com",
@@ -17740,6 +17850,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "rds-fips.ca-central-1.amazonaws.com",
@@ -18015,6 +18126,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "redshift-fips.ca-central-1.amazonaws.com",
@@ -18518,6 +18630,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -18733,6 +18846,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "route53resolver-fips.ca-central-1.amazonaws.com",
@@ -19095,6 +19209,12 @@
               "tags" : [ "dualstack" ]
             } ]
           },
+          "ap-southeast-7" : {
+            "variants" : [ {
+              "hostname" : "s3.dualstack.ap-southeast-7.amazonaws.com",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
           "aws-global" : {
             "credentialScope" : {
               "region" : "us-east-1"
@@ -20040,6 +20160,11 @@
               "tags" : [ "dualstack" ]
             } ]
           },
+          "ap-southeast-7" : {
+            "variants" : [ {
+              "tags" : [ "dualstack" ]
+            } ]
+          },
           "ca-central-1" : {
             "variants" : [ {
               "tags" : [ "dualstack" ]
@@ -20830,6 +20955,12 @@
               "tags" : [ "dualstack" ]
             } ]
           },
+          "ap-southeast-7" : {
+            "variants" : [ {
+              "hostname" : "servicediscovery.ap-southeast-7.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "servicediscovery-fips.ca-central-1.amazonaws.com",
@@ -21035,6 +21166,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -21706,6 +21838,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : {
             "variants" : [ {
@@ -21804,6 +21937,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -21887,6 +22021,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "ssm-fips.ca-central-1.amazonaws.com",
@@ -22491,6 +22626,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -22685,6 +22821,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -22726,6 +22863,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "aws-global" : {
             "credentialScope" : {
               "region" : "us-east-1"
@@ -22833,6 +22971,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "swf-fips.ca-central-1.amazonaws.com",
@@ -22939,6 +23078,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "synthetics-fips.ca-central-1.amazonaws.com",
@@ -23045,6 +23185,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -25082,6 +25223,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },