diff --git a/crates/sui-json-rpc-api/src/lib.rs b/crates/sui-json-rpc-api/src/lib.rs
index 4e7072c73f07e..3f14c38516083 100644
--- a/crates/sui-json-rpc-api/src/lib.rs
+++ b/crates/sui-json-rpc-api/src/lib.rs
@@ -337,6 +337,7 @@ pub fn read_size_from_env(var_name: &str) -> Option<usize> {
         .ok()
 }
 
+pub const CLIENT_REQUEST_METHOD_HEADER: &str = "client-request-method";
 pub const CLIENT_SDK_TYPE_HEADER: &str = "client-sdk-type";
 /// The version number of the SDK itself. This can be different from the API version.
 pub const CLIENT_SDK_VERSION_HEADER: &str = "client-sdk-version";
diff --git a/crates/sui-json-rpc/src/lib.rs b/crates/sui-json-rpc/src/lib.rs
index 3075471af9d1b..d9704bbcef767 100644
--- a/crates/sui-json-rpc/src/lib.rs
+++ b/crates/sui-json-rpc/src/lib.rs
@@ -25,7 +25,8 @@ pub use balance_changes::*;
 pub use object_changes::*;
 pub use sui_config::node::ServerType;
 use sui_json_rpc_api::{
-    CLIENT_SDK_TYPE_HEADER, CLIENT_SDK_VERSION_HEADER, CLIENT_TARGET_API_VERSION_HEADER,
+    CLIENT_REQUEST_METHOD_HEADER, CLIENT_SDK_TYPE_HEADER, CLIENT_SDK_VERSION_HEADER,
+    CLIENT_TARGET_API_VERSION_HEADER,
 };
 use sui_open_rpc::{Module, Project};
 
@@ -121,6 +122,7 @@ impl JsonRpcServerBuilder {
                 HeaderName::from_static(CLIENT_SDK_VERSION_HEADER),
                 HeaderName::from_static(CLIENT_TARGET_API_VERSION_HEADER),
                 HeaderName::from_static(APP_NAME_HEADER),
+                HeaderName::from_static(CLIENT_REQUEST_METHOD_HEADER),
             ]);
         Ok(cors)
     }