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 7bbade21575..61fbea67452 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
@@ -1878,6 +1878,52 @@
         "isRegionalized" : false,
         "partitionEndpoint" : "aws-global"
       },
+      "cassandra" : {
+        "endpoints" : {
+          "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-west-1" : { },
+          "eu-west-2" : { },
+          "eu-west-3" : { },
+          "fips-us-east-1" : {
+            "credentialScope" : {
+              "region" : "us-east-1"
+            },
+            "deprecated" : true,
+            "hostname" : "cassandra-fips.us-east-1.amazonaws.com"
+          },
+          "fips-us-west-2" : {
+            "credentialScope" : {
+              "region" : "us-west-2"
+            },
+            "deprecated" : true,
+            "hostname" : "cassandra-fips.us-west-2.amazonaws.com"
+          },
+          "me-south-1" : { },
+          "sa-east-1" : { },
+          "us-east-1" : {
+            "variants" : [ {
+              "hostname" : "cassandra-fips.us-east-1.amazonaws.com",
+              "tags" : [ "fips" ]
+            } ]
+          },
+          "us-east-2" : { },
+          "us-west-1" : { },
+          "us-west-2" : {
+            "variants" : [ {
+              "hostname" : "cassandra-fips.us-west-2.amazonaws.com",
+              "tags" : [ "fips" ]
+            } ]
+          }
+        }
+      },
       "catalog.marketplace" : {
         "endpoints" : {
           "us-east-1" : { }
@@ -14727,6 +14773,12 @@
         "isRegionalized" : false,
         "partitionEndpoint" : "aws-cn-global"
       },
+      "cassandra" : {
+        "endpoints" : {
+          "cn-north-1" : { },
+          "cn-northwest-1" : { }
+        }
+      },
       "ce" : {
         "endpoints" : {
           "aws-cn-global" : {
@@ -16182,6 +16234,22 @@
           }
         }
       },
+      "cassandra" : {
+        "endpoints" : {
+          "us-gov-east-1" : {
+            "credentialScope" : {
+              "region" : "us-gov-east-1"
+            },
+            "hostname" : "cassandra.us-gov-east-1.amazonaws.com"
+          },
+          "us-gov-west-1" : {
+            "credentialScope" : {
+              "region" : "us-gov-west-1"
+            },
+            "hostname" : "cassandra.us-gov-west-1.amazonaws.com"
+          }
+        }
+      },
       "cloudcontrolapi" : {
         "endpoints" : {
           "fips-us-gov-east-1" : {