diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -1036,7 +1036,7 @@
             RPCHelpMan{
                 "signrawtransactionwithkey",
                 {
-                    {"hexstring", RPCArg::Type::STR, false},
+                    {"hexstring", RPCArg::Type::STR_HEX, false},
                     {"privkyes",
                      RPCArg::Type::ARR,
                      {
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -4044,7 +4044,7 @@
                     {"addresses",
                      RPCArg::Type::ARR,
                      {
-                         {"address", RPCArg::Type::STR_HEX, true},
+                         {"address", RPCArg::Type::STR, true},
                      },
                      true},
                     {"include_unsafe", RPCArg::Type::BOOL, true},
@@ -4512,7 +4512,7 @@
             RPCHelpMan{
                 "signrawtransactionwithwallet",
                 {
-                    {"hexstring", RPCArg::Type::STR, false},
+                    {"hexstring", RPCArg::Type::STR_HEX, false},
                     {"prevtxs",
                      RPCArg::Type::ARR,
                      {
@@ -5395,7 +5395,7 @@
                                  {
                                      {"txid", RPCArg::Type::STR_HEX, false},
                                      {"vout", RPCArg::Type::NUM, false},
-                                     {"sequence", RPCArg::Type::NUM, false},
+                                     {"sequence", RPCArg::Type::NUM, true},
                                  },
                                  false},
                             },
@@ -5421,7 +5421,7 @@
                            {"options",
                             RPCArg::Type::OBJ,
                             {
-                                {"changeAddress", RPCArg::Type::STR_HEX, true},
+                                {"changeAddress", RPCArg::Type::STR, true},
                                 {"changePosition", RPCArg::Type::NUM, true},
                                 {"includeWatching", RPCArg::Type::BOOL, true},
                                 {"lockUnspents", RPCArg::Type::BOOL, true},