diff --git a/java-billing/CHANGELOG.md b/java-billing/CHANGELOG.md
index 7e2f11240e56..a5b08980f1c9 100644
--- a/java-billing/CHANGELOG.md
+++ b/java-billing/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [2.3.0](https://github.com/googleapis/java-billing/compare/v2.2.1...v2.3.0) (2022-07-01)
+
+
+### Features
+
+* Enable REST transport for most of Java and Go clients ([#670](https://github.com/googleapis/java-billing/issues/670)) ([d33d68d](https://github.com/googleapis/java-billing/commit/d33d68d367dabc4d8e58aa78d30f238dcd26ddf6))
+
 ## [2.2.1](https://github.com/googleapis/java-billing/compare/v2.2.0...v2.2.1) (2022-06-23)
 
 
diff --git a/java-billing/google-cloud-billing-bom/pom.xml b/java-billing/google-cloud-billing-bom/pom.xml
index 5656d8645bb4..d44987cd7b92 100644
--- a/java-billing/google-cloud-billing-bom/pom.xml
+++ b/java-billing/google-cloud-billing-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-billing-bom</artifactId>
-  <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-billing:current} -->
+  <version>2.3.0</version><!-- {x-version-update:google-cloud-billing:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -52,17 +52,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-billing</artifactId>
-        <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-billing:current} -->
+        <version>2.3.0</version><!-- {x-version-update:google-cloud-billing:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-billing-v1</artifactId>
-        <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-billing-v1:current} -->
+        <version>2.3.0</version><!-- {x-version-update:grpc-google-cloud-billing-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-billing-v1</artifactId>
-        <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-billing-v1:current} -->
+        <version>2.3.0</version><!-- {x-version-update:proto-google-cloud-billing-v1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/java-billing/google-cloud-billing/pom.xml b/java-billing/google-cloud-billing/pom.xml
index af1369e457fb..83eab0407cbb 100644
--- a/java-billing/google-cloud-billing/pom.xml
+++ b/java-billing/google-cloud-billing/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-billing</artifactId>
-  <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-billing:current} -->
+  <version>2.3.0</version><!-- {x-version-update:google-cloud-billing:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Billing</name>
   <url>https://github.com/googleapis/java-billing</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-billing-parent</artifactId>
-    <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-billing:current} -->
+    <version>2.3.0</version><!-- {x-version-update:google-cloud-billing:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-billing</site.installationModule>
diff --git a/java-billing/grpc-google-cloud-billing-v1/pom.xml b/java-billing/grpc-google-cloud-billing-v1/pom.xml
index 66619c4cc9da..d65c5f6301e7 100644
--- a/java-billing/grpc-google-cloud-billing-v1/pom.xml
+++ b/java-billing/grpc-google-cloud-billing-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-billing-v1</artifactId>
-  <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-billing-v1:current} -->
+  <version>2.3.0</version><!-- {x-version-update:grpc-google-cloud-billing-v1:current} -->
   <name>grpc-google-cloud-billing-v1</name>
   <description>GRPC library for grpc-google-cloud-billing-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-billing-parent</artifactId>
-    <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-billing:current} -->
+    <version>2.3.0</version><!-- {x-version-update:google-cloud-billing:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-billing/pom.xml b/java-billing/pom.xml
index cb53766401c9..75d2fe18106e 100644
--- a/java-billing/pom.xml
+++ b/java-billing/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-billing-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-billing:current} -->
+  <version>2.3.0</version><!-- {x-version-update:google-cloud-billing:current} -->
   <name>Google Cloud Billing Parent</name>
   <url>https://github.com/googleapis/java-billing</url>
   <description>
@@ -61,17 +61,17 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-billing-v1</artifactId>
-        <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-billing-v1:current} -->
+        <version>2.3.0</version><!-- {x-version-update:proto-google-cloud-billing-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-billing-v1</artifactId>
-        <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-billing-v1:current} -->
+        <version>2.3.0</version><!-- {x-version-update:grpc-google-cloud-billing-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-billing</artifactId>
-        <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-billing:current} -->
+        <version>2.3.0</version><!-- {x-version-update:google-cloud-billing:current} -->
       </dependency>
 
       <dependency>
diff --git a/java-billing/proto-google-cloud-billing-v1/pom.xml b/java-billing/proto-google-cloud-billing-v1/pom.xml
index c8b62a2236ef..25d98b0934e9 100644
--- a/java-billing/proto-google-cloud-billing-v1/pom.xml
+++ b/java-billing/proto-google-cloud-billing-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-billing-v1</artifactId>
-  <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-billing-v1:current} -->
+  <version>2.3.0</version><!-- {x-version-update:proto-google-cloud-billing-v1:current} -->
   <name>proto-google-cloud-billing-v1beta1</name>
   <description>PROTO library for proto-google-cloud-billing-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-billing-parent</artifactId>
-    <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-billing:current} -->
+    <version>2.3.0</version><!-- {x-version-update:google-cloud-billing:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-billing/versions.txt b/java-billing/versions.txt
index 5ab353002a73..b32aff33f417 100644
--- a/java-billing/versions.txt
+++ b/java-billing/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-billing:2.2.1:2.2.2-SNAPSHOT
-grpc-google-cloud-billing-v1:2.2.1:2.2.2-SNAPSHOT
-proto-google-cloud-billing-v1:2.2.1:2.2.2-SNAPSHOT
+google-cloud-billing:2.3.0:2.3.0
+grpc-google-cloud-billing-v1:2.3.0:2.3.0
+proto-google-cloud-billing-v1:2.3.0:2.3.0