diff --git a/services/identity/src/constants.rs b/services/identity/src/constants.rs
--- a/services/identity/src/constants.rs
+++ b/services/identity/src/constants.rs
@@ -235,6 +235,8 @@
 
 pub mod request_metadata {
   pub const CODE_VERSION: &str = "code_version";
+  pub const STATE_VERSION: &str = "state_version";
+  pub const MAJOR_DESKTOP_VERSION: &str = "major_desktop_version";
   pub const DEVICE_TYPE: &str = "device_type";
   pub const USER_ID: &str = "user_id";
   pub const DEVICE_ID: &str = "device_id";
@@ -249,12 +251,14 @@
   pub const DEFAULT_MAX_AGE: Duration = Duration::from_secs(24 * 60 * 60);
   pub const DEFAULT_EXPOSED_HEADERS: [&str; 3] =
     ["grpc-status", "grpc-message", "grpc-status-details-bin"];
-  pub const DEFAULT_ALLOW_HEADERS: [&str; 9] = [
+  pub const DEFAULT_ALLOW_HEADERS: [&str; 11] = [
     "x-grpc-web",
     "content-type",
     "x-user-agent",
     "grpc-timeout",
     super::request_metadata::CODE_VERSION,
+    super::request_metadata::STATE_VERSION,
+    super::request_metadata::MAJOR_DESKTOP_VERSION,
     super::request_metadata::DEVICE_TYPE,
     super::request_metadata::USER_ID,
     super::request_metadata::DEVICE_ID,
diff --git a/services/identity/src/grpc_services/shared.rs b/services/identity/src/grpc_services/shared.rs
--- a/services/identity/src/grpc_services/shared.rs
+++ b/services/identity/src/grpc_services/shared.rs
@@ -4,6 +4,14 @@
 
 use crate::constants::{request_metadata, MIN_SUPPORTED_NATIVE_VERSION};
 
+#[derive(Clone, Debug)]
+pub struct PlatformMetadata {
+  pub device_type: String,
+  pub code_version: u64,
+  pub state_version: Option<u64>,
+  pub major_desktop_version: Option<u64>,
+}
+
 pub fn version_interceptor(req: Request<()>) -> Result<Request<()>, Status> {
   trace!("Intercepting request to check version: {:?}", req);
 
@@ -18,7 +26,9 @@
   }
 }
 
-fn get_version_info(req: &Request<()>) -> Option<(u64, String)> {
+fn get_version_info<T: std::fmt::Debug>(
+  req: &Request<T>,
+) -> Option<(u64, String)> {
   trace!("Retrieving version info for request: {:?}", req);
 
   let code_version: u64 = get_value(req, request_metadata::CODE_VERSION)?
@@ -29,6 +39,26 @@
   Some((code_version, device_type))
 }
 
+pub fn get_platform_metadata<T: std::fmt::Debug>(
+  req: &Request<T>,
+) -> Result<PlatformMetadata, Status> {
+  let (code_version, device_type) = get_version_info(req).ok_or_else(|| {
+    Status::invalid_argument("missing platform or code version metadata")
+  })?;
+  let state_version = get_value(req, request_metadata::STATE_VERSION)
+    .and_then(|it| it.parse().ok());
+  let major_desktop_version =
+    get_value(req, request_metadata::MAJOR_DESKTOP_VERSION)
+      .and_then(|it| it.parse().ok());
+
+  Ok(PlatformMetadata {
+    code_version,
+    device_type,
+    state_version,
+    major_desktop_version,
+  })
+}
+
 pub fn get_value<T>(req: &Request<T>, key: &str) -> Option<String> {
   let raw_value = req.metadata().get(key)?;
   raw_value.to_str().ok().map(|s| s.to_string())