diff --git a/internal/api/impl.go b/internal/api/impl.go
index a8cc21c..c379160 100644
--- a/internal/api/impl.go
+++ b/internal/api/impl.go
@@ -21,7 +21,7 @@ func (server *ServerImpl) GetBanks(ctx echo.Context) error {
 
 	banks, err := server.Dal.Banks()
 	if err != nil {
-		return ctx.NoContent(http.StatusInternalServerError)
+		return err
 	}
 
 	if len(banks) == 0 {
@@ -36,8 +36,7 @@ func (server *ServerImpl) GetBankById(ctx echo.Context, bankId string) error {
 
 	bank, err := server.Dal.Bank(bankId)
 	if err != nil {
-		log.Printf("%v", err)
-		return ctx.NoContent(http.StatusInternalServerError)
+		return err
 	}
 
 	if bank == nil {
@@ -78,8 +77,7 @@ func (server *ServerImpl) GetTransactionById(ctx echo.Context, transactionId int
 
 	transaction, err := server.Dal.Transaction(transactionId)
 	if err != nil {
-		log.Printf("%v", err)
-		return ctx.NoContent(http.StatusInternalServerError)
+		return err
 	}
 
 	if transaction == nil {
@@ -98,8 +96,7 @@ func (server *ServerImpl) CreateTransaction(ctx echo.Context) error {
 
 	transaction, err := server.Dal.InsertTransaction(transaction2entity(*t))
 	if err != nil {
-		log.Printf("%v", err)
-		return ctx.NoContent(http.StatusInternalServerError)
+		return err
 	}
 
 	return ctx.JSON(http.StatusCreated, entity2transaction(transaction))
@@ -107,8 +104,7 @@ func (server *ServerImpl) CreateTransaction(ctx echo.Context) error {
 
 func (server *ServerImpl) UpdateTransaction(ctx echo.Context, transactionId int64) error {
 	if exists, err := server.Dal.TransactionExists(entity.TransactionId(transactionId)); err != nil {
-		log.Printf("%v", err)
-		return ctx.NoContent(http.StatusInternalServerError)
+		return err
 	} else if !exists {
 		return ctx.NoContent(http.StatusNotFound)
 	}
@@ -121,8 +117,7 @@ func (server *ServerImpl) UpdateTransaction(ctx echo.Context, transactionId int6
 
 	success, err := server.Dal.UpdateTransaction(entity.TransactionId(transactionId), update.Category)
 	if err != nil {
-		log.Printf("%v", err)
-		return ctx.NoContent(http.StatusInternalServerError)
+		return err
 	}
 
 	if !success {
@@ -134,7 +129,7 @@ func (server *ServerImpl) UpdateTransaction(ctx echo.Context, transactionId int6
 func (server *ServerImpl) GetCategories(ctx echo.Context) error {
 	categories, err := server.Dal.Categories()
 	if err != nil {
-		return ctx.NoContent(http.StatusInternalServerError)
+		return err
 	}
 
 	if len(categories) == 0 {