diff --git a/src/wallet/rpc/util.cpp b/src/wallet/rpc/util.cpp
index eaca74b6e65..79703985354 100644
--- a/src/wallet/rpc/util.cpp
+++ b/src/wallet/rpc/util.cpp
@@ -29,6 +29,27 @@ bool GetAvoidReuseFlag(const CWallet& wallet, const UniValue& param) {
     return avoid_reuse;
 }
 
+std::string EnsureUniqueWalletName(const JSONRPCRequest& request, const std::string* wallet_name)
+{
+    std::string endpoint_wallet;
+    if (GetWalletNameFromJSONRPCRequest(request, endpoint_wallet)) {
+        // wallet endpoint was used
+        if (wallet_name && *wallet_name != endpoint_wallet) {
+            throw JSONRPCError(RPC_INVALID_PARAMETER,
+                "The RPC endpoint wallet and the wallet name parameter specify different wallets");
+        }
+        return endpoint_wallet;
+    }
+
+    // Not a wallet endpoint; parameter must be provided
+    if (!wallet_name) {
+        throw JSONRPCError(RPC_INVALID_PARAMETER,
+            "Either the RPC endpoint wallet or the wallet name parameter must be provided");
+    }
+
+    return *wallet_name;
+}
+
 bool GetWalletNameFromJSONRPCRequest(const JSONRPCRequest& request, std::string& wallet_name)
 {
     if (request.URI.starts_with(WALLET_ENDPOINT_BASE)) {
diff --git a/src/wallet/rpc/util.h b/src/wallet/rpc/util.h
index a73fb177b3e..0c586be4a49 100644
--- a/src/wallet/rpc/util.h
+++ b/src/wallet/rpc/util.h
@@ -38,6 +38,11 @@ static const RPCResult RESULT_LAST_PROCESSED_BLOCK { RPCResult::Type::OBJ, "last
  */
 std::shared_ptr<CWallet> GetWalletForJSONRPCRequest(const JSONRPCRequest& request);
 bool GetWalletNameFromJSONRPCRequest(const JSONRPCRequest& request, std::string& wallet_name);
+/**
+ * Ensures that a wallet name is specified across the endpoint and wallet_name.
+ * Throws `RPC_INVALID_PARAMETER` if none or different wallet names are specified.
+ */
+std::string EnsureUniqueWalletName(const JSONRPCRequest& request, const std::string* wallet_name);
 
 void EnsureWalletIsUnlocked(const CWallet&);
 WalletContext& EnsureWalletContext(const std::any& context);