diff --git a/components/restapi/core/accounts.go b/components/restapi/core/accounts.go
index 6a4bff320..0efcdbb59 100644
--- a/components/restapi/core/accounts.go
+++ b/components/restapi/core/accounts.go
@@ -32,14 +32,14 @@ func congestionByAccountAddress(c echo.Context) (*apimodels.CongestionResponse,
 	}
 
 	hrp := deps.Protocol.CommittedAPI().ProtocolParameters().Bech32HRP()
-	address, err := httpserver.ParseBech32AddressParam(c, hrp, restapipkg.ParameterAddress)
+	address, err := httpserver.ParseBech32AddressParam(c, hrp, restapipkg.ParameterBech32Address)
 	if err != nil {
 		return nil, err
 	}
 
 	accountAddress, ok := address.(*iotago.AccountAddress)
 	if !ok {
-		return nil, ierrors.Wrapf(echo.ErrInternalServerError, "failed to assert account address %s", c.Param(restapipkg.ParameterAddress))
+		return nil, ierrors.Wrapf(httpserver.ErrInvalidParameter, "address %s is not an account address", c.Param(restapipkg.ParameterBech32Address))
 	}
 
 	accountID := accountAddress.AccountID()
@@ -116,14 +116,14 @@ func validators(c echo.Context) (*apimodels.ValidatorsResponse, error) {
 
 func validatorByAccountAddress(c echo.Context) (*apimodels.ValidatorResponse, error) {
 	hrp := deps.Protocol.CommittedAPI().ProtocolParameters().Bech32HRP()
-	address, err := httpserver.ParseBech32AddressQueryParam(c, hrp, restapipkg.ParameterAddress)
+	address, err := httpserver.ParseBech32AddressParam(c, hrp, restapipkg.ParameterBech32Address)
 	if err != nil {
-		return nil, ierrors.Wrapf(err, "failed to parse account address %s", c.Param(restapipkg.ParameterAddress))
+		return nil, err
 	}
 
 	accountAddress, ok := address.(*iotago.AccountAddress)
 	if !ok {
-		return nil, ierrors.Wrapf(echo.ErrInternalServerError, "failed to assert account address %s", c.Param(restapipkg.ParameterAddress))
+		return nil, ierrors.Wrapf(httpserver.ErrInvalidParameter, "address %s is not an account address", c.Param(restapipkg.ParameterBech32Address))
 	}
 
 	latestCommittedSlot := deps.Protocol.MainEngineInstance().SyncManager.LatestCommitment().Slot()
diff --git a/components/restapi/core/component.go b/components/restapi/core/component.go
index 92c69fe39..a36c8bd30 100644
--- a/components/restapi/core/component.go
+++ b/components/restapi/core/component.go
@@ -112,10 +112,10 @@ const (
 	RouteCommitmentByIndexUTXOChanges = "/commitments/by-index/:" + restapipkg.ParameterSlotIndex + "/utxo-changes"
 
 	// RouteCongestion is the route for getting the current congestion state and all account related useful details as block issuance credits.
-	// GET returns the congestion state related to the specified account. (optional query parameters: "commitmentID" to specify the used commitment)
+	// GET returns the congestion state related to the specified account address. (optional query parameters: "commitmentID" to specify the used commitment)
 	// MIMEApplicationJSON => json.
 	// MIMEApplicationVendorIOTASerializerV2 => bytes.
-	RouteCongestion = "/accounts/:" + restapipkg.ParameterAddress + "/congestion"
+	RouteCongestion = "/accounts/:" + restapipkg.ParameterBech32Address + "/congestion"
 
 	// RouteValidators is the route for getting informations about the current validators.
 	// GET returns the paginated response with the list of validators.
@@ -127,7 +127,7 @@ const (
 	// GET returns the validator details.
 	// MIMEApplicationJSON => json.
 	// MIMEApplicationVendorIOTASerializerV2 => bytes.
-	RouteValidatorsAccount = "/validators/:" + restapipkg.ParameterAddress
+	RouteValidatorsAccount = "/validators/:" + restapipkg.ParameterBech32Address
 
 	// RouteRewards is the route for getting the rewards for staking or delegation based on staking account or delegation output.
 	// Rewards are decayed up to returned epochEnd index.
diff --git a/pkg/restapi/restapi.go b/pkg/restapi/restapi.go
index cd094afa4..4c7f3de96 100644
--- a/pkg/restapi/restapi.go
+++ b/pkg/restapi/restapi.go
@@ -27,8 +27,8 @@ const (
 	// ParameterCommitmentID is used to identify a slot commitment by its ID.
 	ParameterCommitmentID = "commitmentID"
 
-	// ParameterAddress is used to identify an account by its address.
-	ParameterAddress = "address"
+	// ParameterBech32Address is used to to represent bech32 address.
+	ParameterBech32Address = "bech32Address"
 
 	// ParameterPeerID is used to identify a peer.
 	ParameterPeerID = "peerID"