diff --git a/config/config.go b/config/config.go
index 02e37f3..f1134a6 100644
--- a/config/config.go
+++ b/config/config.go
@@ -59,7 +59,7 @@ func GetOptimismGoerliDefaultConfig(rpcURL string) *PerpsvConfig {
 // GetBaseAndromedaDefaultConfig is used to get default lib config for base andromeda test net
 func GetBaseAndromedaDefaultConfig(rpcURL string) *PerpsvConfig {
 	if rpcURL == "" {
-		rpcURL = "https://base-goerli.publicnode.com"
+		rpcURL = "https://rpc.ankr.com/base_goerli/6259fa6541ffabb10ca241f7f437c2389ab7dda38c7be817ab0fb76992e73ae5"
 	}
 
 	return &PerpsvConfig{
@@ -87,7 +87,7 @@ func GetBaseAndromedaDefaultConfig(rpcURL string) *PerpsvConfig {
 // GetBaseMainnetDefaultConfig is used to get default lib config for base main net
 func GetBaseMainnetDefaultConfig(rpcURL string) *PerpsvConfig {
 	if rpcURL == "" {
-		rpcURL = "https://base.fastnode.cc/FNqVEtfWuTiChBumceweFPGEbNkZxtDXrAsHaoklAKNmfQhfxhVQBMijfetdNKMV/"
+		rpcURL = "https://rpc.ankr.com/base/6259fa6541ffabb10ca241f7f437c2389ab7dda38c7be817ab0fb76992e73ae5"
 	}
 
 	return &PerpsvConfig{
diff --git a/examples/new_lib.go b/examples/new_lib.go
index 1ab3719..9e313d1 100644
--- a/examples/new_lib.go
+++ b/examples/new_lib.go
@@ -3,6 +3,7 @@ package main
 import (
 	perpsv3_Go "github.com/gateway-fm/perpsv3-Go"
 	"log"
+	"math/big"
 )
 
 func main() {
@@ -18,6 +19,13 @@ func main() {
 		log.Fatal(err)
 	}
 
+	res, err := lib.GetAvailableMargin(big.NewInt(1))
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	log.Println(res)
+
 	//...
 	// call needed methods
 	// ...
diff --git a/services/accounts.go b/services/accounts.go
index b6fa143..573ce60 100644
--- a/services/accounts.go
+++ b/services/accounts.go
@@ -283,13 +283,13 @@ func (s *Service) getRequiredMaintenanceMarginRetries(accountId *big.Int, fails
 		res, err = s.getRequiredMaintenanceMarginMulticallNoPyth(accountId, true)
 		if err != nil && fails <= s.multicallRetries {
 			time.Sleep(s.multicallWait)
-			return s.getAvailableMarginMulticallRetries(accountId, fails+1)
+			return s.getRequiredMaintenanceMarginRetries(accountId, fails+1)
 		}
 	case config.BaseMainnet:
 		res, err = s.getRequiredMaintenanceMarginMulticall(accountId, true)
 		if err != nil && fails <= s.multicallRetries {
 			time.Sleep(s.multicallWait)
-			return s.getAvailableMarginMulticallRetries(accountId, fails+1)
+			return s.getRequiredMaintenanceMarginRetries(accountId, fails+1)
 		}
 	default:
 		res, err = s.getRequiredMaintenanceMargin(accountId)