diff --git a/crates/common_utils/src/ext_traits.rs b/crates/common_utils/src/ext_traits.rs
index aefb532471..ac626ff703 100644
--- a/crates/common_utils/src/ext_traits.rs
+++ b/crates/common_utils/src/ext_traits.rs
@@ -200,17 +200,17 @@ impl ByteSliceExt for [u8] {
 ///
 /// Extending functionalities of `serde_json::Value` for performing parsing
 ///
-pub trait ValueExt<T> {
+pub trait ValueExt {
     ///
     /// Convert `serde_json::Value` into type `<T>` by using `serde::Deserialize`
     ///
-    fn parse_value(self, type_name: &str) -> CustomResult<T, errors::ParsingError>
+    fn parse_value<T>(self, type_name: &str) -> CustomResult<T, errors::ParsingError>
     where
         T: serde::de::DeserializeOwned;
 }
 
-impl<T> ValueExt<T> for serde_json::Value {
-    fn parse_value(self, type_name: &str) -> CustomResult<T, errors::ParsingError>
+impl ValueExt for serde_json::Value {
+    fn parse_value<T>(self, type_name: &str) -> CustomResult<T, errors::ParsingError>
     where
         T: serde::de::DeserializeOwned,
     {
@@ -225,11 +225,11 @@ impl<T> ValueExt<T> for serde_json::Value {
     }
 }
 
-impl<T, MaskingStrategy> ValueExt<T> for Secret<serde_json::Value, MaskingStrategy>
+impl<MaskingStrategy> ValueExt for Secret<serde_json::Value, MaskingStrategy>
 where
     MaskingStrategy: Strategy<serde_json::Value>,
 {
-    fn parse_value(self, type_name: &str) -> CustomResult<T, errors::ParsingError>
+    fn parse_value<T>(self, type_name: &str) -> CustomResult<T, errors::ParsingError>
     where
         T: serde::de::DeserializeOwned,
     {
diff --git a/crates/router/src/core/payments.rs b/crates/router/src/core/payments.rs
index d0ba58d953..f2ab070b62 100644
--- a/crates/router/src/core/payments.rs
+++ b/crates/router/src/core/payments.rs
@@ -1203,11 +1203,15 @@ pub fn decide_connector(
         return Ok(api::ConnectorCallType::Single(connector_data));
     }
 
-    let routing_algorithm: api::RoutingAlgorithm = merchant_account
+    let routing_algorithm = merchant_account
         .routing_algorithm
         .clone()
-        .parse_value("RoutingAlgorithm")
-        .change_context(errors::ApiErrorResponse::InternalServerError)
+        .get_required_value("RoutingAlgorithm")
+        .change_context(errors::ApiErrorResponse::PreconditionFailed {
+            message: "no routing algorithm has been configured".to_string(),
+        })?
+        .parse_value::<api::RoutingAlgorithm>("RoutingAlgorithm")
+        .change_context(errors::ApiErrorResponse::InternalServerError) // Deserialization failed
         .attach_printable("Unable to deserialize merchant routing algorithm")?;
 
     let connector_name = match routing_algorithm {
diff --git a/crates/router/src/utils/ext_traits.rs b/crates/router/src/utils/ext_traits.rs
index a27da6d49e..082a499bcb 100644
--- a/crates/router/src/utils/ext_traits.rs
+++ b/crates/router/src/utils/ext_traits.rs
@@ -20,7 +20,7 @@ pub trait OptionExt<T> {
 
     fn parse_value<U>(self, type_name: &'static str) -> CustomResult<U, errors::ParsingError>
     where
-        T: ValueExt<U>,
+        T: ValueExt,
         U: serde::de::DeserializeOwned;
 
     fn update_value(&mut self, value: Option<T>);
@@ -67,7 +67,7 @@ where
 
     fn parse_value<U>(self, type_name: &'static str) -> CustomResult<U, errors::ParsingError>
     where
-        T: ValueExt<U>,
+        T: ValueExt,
         U: serde::de::DeserializeOwned,
     {
         let value = self