diff --git a/api_names_out.yaml b/api_names_out.yaml
index 606a8d599..83593c5c4 100644
--- a/api_names_out.yaml
+++ b/api_names_out.yaml
@@ -10305,6 +10305,7 @@
 "/apigateway:v1beta/ApigatewayBackendConfig": apigateway_backend_config
 "/apigateway:v1beta/ApigatewayBackendConfig/googleServiceAccount": google_service_account
 "/apigateway:v1beta/ApigatewayBinding": apigateway_binding
+"/apigateway:v1beta/ApigatewayBinding/bindingId": binding_id
 "/apigateway:v1beta/ApigatewayBinding/condition": condition
 "/apigateway:v1beta/ApigatewayBinding/members": members
 "/apigateway:v1beta/ApigatewayBinding/members/member": member
diff --git a/generated/google/apis/apigateway_v1beta.rb b/generated/google/apis/apigateway_v1beta.rb
index e97d855f0..57bd091e5 100644
--- a/generated/google/apis/apigateway_v1beta.rb
+++ b/generated/google/apis/apigateway_v1beta.rb
@@ -25,7 +25,7 @@ module Google
     # @see  https://cloud.google.com/api-gateway/docs
     module ApigatewayV1beta
       VERSION = 'V1beta'
-      REVISION = '20200901'
+      REVISION = '20201029'
 
       # View and manage your data across Google Cloud Platform services
       AUTH_CLOUD_PLATFORM = 'https://www.googleapis.com/auth/cloud-platform'
diff --git a/generated/google/apis/apigateway_v1beta/classes.rb b/generated/google/apis/apigateway_v1beta/classes.rb
index b46cd01bb..0e094d10d 100644
--- a/generated/google/apis/apigateway_v1beta/classes.rb
+++ b/generated/google/apis/apigateway_v1beta/classes.rb
@@ -82,11 +82,8 @@ module Google
         end
       end
       
-      # An API Configuration is an association of an API Controller Config and a
-      # Gateway Config. For APIs with a Managed Service API Controller, this resource
-      # is associated with one or more Service Configs and a Service Rollout.
-      # Initially, this resource will extract the Gateway Config from the API
-      # Controller Config.
+      # An API Configuration is a combination of settings for both the Managed Service
+      # and Gateways serving this API Config.
       class ApigatewayApiConfig
         include Google::Apis::Core::Hashable
       
@@ -355,6 +352,11 @@ module Google
       class ApigatewayBinding
         include Google::Apis::Core::Hashable
       
+        # 
+        # Corresponds to the JSON property `bindingId`
+        # @return [String]
+        attr_accessor :binding_id
+      
         # Represents a textual expression in the Common Expression Language (CEL) syntax.
         # CEL is a C-like expression language. The syntax and semantics of CEL are
         # documented at https://github.com/google/cel-spec. Example (Comparison): title:
@@ -416,6 +418,7 @@ module Google
       
         # Update properties of this object
         def update!(**args)
+          @binding_id = args[:binding_id] if args.key?(:binding_id)
           @condition = args[:condition] if args.key?(:condition)
           @members = args[:members] if args.key?(:members)
           @role = args[:role] if args.key?(:role)
diff --git a/generated/google/apis/apigateway_v1beta/representations.rb b/generated/google/apis/apigateway_v1beta/representations.rb
index 0b553d3d3..d32898e5d 100644
--- a/generated/google/apis/apigateway_v1beta/representations.rb
+++ b/generated/google/apis/apigateway_v1beta/representations.rb
@@ -277,6 +277,7 @@ module Google
       class ApigatewayBinding
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
+          property :binding_id, as: 'bindingId'
           property :condition, as: 'condition', class: Google::Apis::ApigatewayV1beta::ApigatewayExpr, decorator: Google::Apis::ApigatewayV1beta::ApigatewayExpr::Representation
       
           collection :members, as: 'members'
diff --git a/generated/google/apis/apigateway_v1beta/synth.metadata b/generated/google/apis/apigateway_v1beta/synth.metadata
index 429012f74..d167dbf9a 100644
--- a/generated/google/apis/apigateway_v1beta/synth.metadata
+++ b/generated/google/apis/apigateway_v1beta/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/google-api-ruby-client.git",
-        "sha": "c98c719bbab68d0890524d53f8b629d7858af9c2"
+        "sha": "21445baae8adc1d75f0cde5c3cd6cebcc971f757"
       }
     }
   ]