diff --git a/google/apps/alertcenter/v1beta1/BUILD.bazel b/google/apps/alertcenter/v1beta1/BUILD.bazel
index e41506b797..c53196cf02 100644
--- a/google/apps/alertcenter/v1beta1/BUILD.bazel
+++ b/google/apps/alertcenter/v1beta1/BUILD.bazel
@@ -9,41 +9,14 @@
 #    * extra_protoc_file_parameters
 # The complete list of preserved parameters can be found in the source code.
 
+# This is an API workspace, having public visibility by default makes perfect sense.
+package(default_visibility = ["//visibility:public"])
+
 ##############################################################################
 # Common
 ##############################################################################
 load("@rules_proto//proto:defs.bzl", "proto_library")
-load(
-    "@com_google_googleapis_imports//:imports.bzl",
-    "csharp_gapic_assembly_pkg",
-    "csharp_gapic_library",
-    "csharp_grpc_library",
-    "csharp_proto_library",
-    "go_gapic_assembly_pkg",
-    "go_gapic_library",
-    "go_proto_library",
-    "java_gapic_assembly_gradle_pkg",
-    "java_gapic_library",
-    "java_gapic_test",
-    "java_grpc_library",
-    "java_proto_library",
-    "nodejs_gapic_assembly_pkg",
-    "nodejs_gapic_library",
-    "php_gapic_assembly_pkg",
-    "php_gapic_library",
-    "php_proto_library",
-    "proto_library_with_info",
-    "py_gapic_assembly_pkg",
-    "py_gapic_library",
-    "py_test",
-    "ruby_cloud_gapic_library",
-    "ruby_gapic_assembly_pkg",
-    "ruby_grpc_library",
-    "ruby_proto_library",
-)
-
-# This is an API workspace, having public visibility by default makes perfect sense.
-package(default_visibility = ["//visibility:public"])
+load("@com_google_googleapis_imports//:imports.bzl", "proto_library_with_info")
 
 proto_library(
     name = "alertcenter_proto",
@@ -69,6 +42,18 @@ proto_library_with_info(
     ],
 )
 
+##############################################################################
+# Java
+##############################################################################
+load(
+    "@com_google_googleapis_imports//:imports.bzl",
+    "java_gapic_assembly_gradle_pkg",
+    "java_gapic_library",
+    "java_gapic_test",
+    "java_grpc_library",
+    "java_proto_library",
+)
+
 java_proto_library(
     name = "alertcenter_java_proto",
     deps = [":alertcenter_proto"],
@@ -83,15 +68,17 @@ java_grpc_library(
 java_gapic_library(
     name = "alertcenter_java_gapic",
     srcs = [":alertcenter_proto_with_info"],
+    gapic_yaml = None,
     grpc_service_config = "alertcenter_grpc_service_config.json",
     rest_numeric_enums = True,
-    service_yaml = "alertcenter.yaml",
+    service_yaml = "alertcenter_v1beta1.yaml",
     test_deps = [
         ":alertcenter_java_grpc",
     ],
     transport = "grpc+rest",
     deps = [
         ":alertcenter_java_proto",
+        "//google/api:api_java_proto",
     ],
 )
 
@@ -117,6 +104,16 @@ java_gapic_assembly_gradle_pkg(
     ],
 )
 
+##############################################################################
+# Go
+##############################################################################
+load(
+    "@com_google_googleapis_imports//:imports.bzl",
+    "go_gapic_assembly_pkg",
+    "go_gapic_library",
+    "go_proto_library",
+)
+
 go_proto_library(
     name = "alertcenter_go_proto",
     compilers = ["@io_bazel_rules_go//proto:go_grpc"],
@@ -134,8 +131,9 @@ go_gapic_library(
     grpc_service_config = "alertcenter_grpc_service_config.json",
     importpath = "google.golang.org/google/apps/alertcenter/v1beta1;alertcenter",
     metadata = True,
+    release_level = "beta",
     rest_numeric_enums = True,
-    service_yaml = "alertcenter.yaml",
+    service_yaml = "alertcenter_v1beta1.yaml",
     transport = "grpc+rest",
     deps = [
         ":alertcenter_go_proto",
@@ -154,13 +152,25 @@ go_gapic_assembly_pkg(
     ],
 )
 
+##############################################################################
+# Python
+##############################################################################
+load(
+    "@com_google_googleapis_imports//:imports.bzl",
+    "py_gapic_assembly_pkg",
+    "py_gapic_library",
+    "py_test",
+)
+
 py_gapic_library(
     name = "alertcenter_py_gapic",
     srcs = [":alertcenter_proto"],
     grpc_service_config = "alertcenter_grpc_service_config.json",
     rest_numeric_enums = True,
-    service_yaml = "alertcenter.yaml",
+    service_yaml = "alertcenter_v1beta1.yaml",
     transport = "grpc+rest",
+    deps = [
+    ],
 )
 
 py_test(
@@ -181,6 +191,16 @@ py_gapic_assembly_pkg(
     ],
 )
 
+##############################################################################
+# PHP
+##############################################################################
+load(
+    "@com_google_googleapis_imports//:imports.bzl",
+    "php_gapic_assembly_pkg",
+    "php_gapic_library",
+    "php_proto_library",
+)
+
 php_proto_library(
     name = "alertcenter_php_proto",
     deps = [":alertcenter_proto"],
@@ -190,10 +210,13 @@ php_gapic_library(
     name = "alertcenter_php_gapic",
     srcs = [":alertcenter_proto_with_info"],
     grpc_service_config = "alertcenter_grpc_service_config.json",
+    migration_mode = "PRE_MIGRATION_SURFACE_ONLY",
     rest_numeric_enums = True,
-    service_yaml = "alertcenter.yaml",
+    service_yaml = "alertcenter_v1beta1.yaml",
     transport = "grpc+rest",
-    deps = [":alertcenter_php_proto"],
+    deps = [
+        ":alertcenter_php_proto",
+    ],
 )
 
 # Open Source Packages
@@ -205,6 +228,15 @@ php_gapic_assembly_pkg(
     ],
 )
 
+##############################################################################
+# Node.js
+##############################################################################
+load(
+    "@com_google_googleapis_imports//:imports.bzl",
+    "nodejs_gapic_assembly_pkg",
+    "nodejs_gapic_library",
+)
+
 nodejs_gapic_library(
     name = "alertcenter_nodejs_gapic",
     package_name = "@google-cloud/alertcenter",
@@ -213,7 +245,7 @@ nodejs_gapic_library(
     grpc_service_config = "alertcenter_grpc_service_config.json",
     package = "google.apps.alertcenter.v1beta1",
     rest_numeric_enums = True,
-    service_yaml = "alertcenter.yaml",
+    service_yaml = "alertcenter_v1beta1.yaml",
     transport = "grpc+rest",
     deps = [],
 )
@@ -226,6 +258,17 @@ nodejs_gapic_assembly_pkg(
     ],
 )
 
+##############################################################################
+# Ruby
+##############################################################################
+load(
+    "@com_google_googleapis_imports//:imports.bzl",
+    "ruby_cloud_gapic_library",
+    "ruby_gapic_assembly_pkg",
+    "ruby_grpc_library",
+    "ruby_proto_library",
+)
+
 ruby_proto_library(
     name = "alertcenter_ruby_proto",
     deps = [":alertcenter_proto"],
@@ -240,12 +283,10 @@ ruby_grpc_library(
 ruby_cloud_gapic_library(
     name = "alertcenter_ruby_gapic",
     srcs = [":alertcenter_proto_with_info"],
-    extra_protoc_parameters = [
-        "ruby-cloud-gem-name=google-cloud-apps-alertcenter-v1beta1",
-    ],
+    extra_protoc_parameters = ["ruby-cloud-gem-name=google-cloud-apps-alertcenter-v1beta1"],
     grpc_service_config = "alertcenter_grpc_service_config.json",
     rest_numeric_enums = True,
-    service_yaml = "alertcenter.yaml",
+    service_yaml = "alertcenter_v1beta1.yaml",
     transport = "grpc+rest",
     deps = [
         ":alertcenter_ruby_grpc",
@@ -263,6 +304,17 @@ ruby_gapic_assembly_pkg(
     ],
 )
 
+##############################################################################
+# C#
+##############################################################################
+load(
+    "@com_google_googleapis_imports//:imports.bzl",
+    "csharp_gapic_assembly_pkg",
+    "csharp_gapic_library",
+    "csharp_grpc_library",
+    "csharp_proto_library",
+)
+
 csharp_proto_library(
     name = "alertcenter_csharp_proto",
     deps = [":alertcenter_proto"],
@@ -280,7 +332,7 @@ csharp_gapic_library(
     common_resources_config = "@gax_dotnet//:Google.Api.Gax/ResourceNames/CommonResourcesConfig.json",
     grpc_service_config = "alertcenter_grpc_service_config.json",
     rest_numeric_enums = True,
-    service_yaml = "alertcenter.yaml",
+    service_yaml = "alertcenter_v1beta1.yaml",
     transport = "grpc+rest",
     deps = [
         ":alertcenter_csharp_grpc",
@@ -301,4 +353,20 @@ csharp_gapic_assembly_pkg(
 ##############################################################################
 # C++
 ##############################################################################
-# Put your C++ rules here
+load(
+    "@com_google_googleapis_imports//:imports.bzl",
+    "cc_grpc_library",
+    "cc_proto_library",
+)
+
+cc_proto_library(
+    name = "alertcenter_cc_proto",
+    deps = [":alertcenter_proto"],
+)
+
+cc_grpc_library(
+    name = "alertcenter_cc_grpc",
+    srcs = [":alertcenter_proto"],
+    grpc_only = True,
+    deps = [":alertcenter_cc_proto"],
+)
diff --git a/google/apps/alertcenter/v1beta1/alertcenter.yaml b/google/apps/alertcenter/v1beta1/alertcenter.yaml
deleted file mode 100644
index 160d939e50..0000000000
--- a/google/apps/alertcenter/v1beta1/alertcenter.yaml
+++ /dev/null
@@ -1,24 +0,0 @@
-type: google.api.Service
-config_version: 3
-name: alertcenter.googleapis.com
-title: Google Workspace Alert Center API
-
-apis:
-- name: google.apps.alertcenter.v1beta1.AlertCenterService
-
-documentation:
-  summary: |-
-    Manages alerts on issues affecting your domain. Note: The current version
-    of this API (v1beta1) is available to all Google Workspace customers.
-
-backend:
-  rules:
-  - selector: 'google.apps.alertcenter.v1beta1.AlertCenterService.*'
-    deadline: 60.0
-
-authentication:
-  rules:
-  - selector: 'google.apps.alertcenter.v1beta1.AlertCenterService.*'
-    oauth:
-      canonical_scopes: |-
-        https://www.googleapis.com/auth/apps.alerts