diff --git a/crates/api_models/src/payments.rs b/crates/api_models/src/payments.rs
index b19f4d7b7db1..420725d8bca9 100644
--- a/crates/api_models/src/payments.rs
+++ b/crates/api_models/src/payments.rs
@@ -108,9 +108,9 @@ pub struct PaymentsRequest {
     // Makes the field mandatory in PaymentsCreateRequest
     pub amount: Option<Amount>,
 
-    #[schema(value_type = Option<RoutingAlgorithm>, example = json!({
+    #[schema(value_type = Option<StraightThroughAlgorithm>, example = json!({
         "type": "single",
-        "data": "stripe"
+        "data": [{"connector": "stripe", "merchant_connector_id": "mca_123"}]
     }))]
     pub routing: Option<serde_json::Value>,
 
diff --git a/crates/api_models/src/routing.rs b/crates/api_models/src/routing.rs
index fd1fe5943db8..0ac9246a3753 100644
--- a/crates/api_models/src/routing.rs
+++ b/crates/api_models/src/routing.rs
@@ -190,6 +190,7 @@ pub enum RoutableChoiceSerde {
 #[cfg_attr(not(feature = "connector_choice_bcompat"), derive(PartialEq, Eq))]
 pub struct RoutableConnectorChoice {
     #[cfg(feature = "connector_choice_bcompat")]
+    #[serde(skip)]
     pub choice_kind: RoutableChoiceKind,
     pub connector: RoutableConnectors,
     #[cfg(feature = "connector_choice_mca_id")]
diff --git a/crates/euclid/src/frontend/ast.rs b/crates/euclid/src/frontend/ast.rs
index 99495efd351e..949177923eec 100644
--- a/crates/euclid/src/frontend/ast.rs
+++ b/crates/euclid/src/frontend/ast.rs
@@ -163,6 +163,7 @@ pub struct Program<O> {
 #[derive(Debug, Clone, Serialize, Deserialize, ToSchema)]
 pub struct RoutableConnectorChoice {
     #[cfg(feature = "connector_choice_bcompat")]
+    #[serde(skip)]
     pub choice_kind: RoutableChoiceKind,
     // pub connector: RoutableConnectors,
     #[cfg(feature = "connector_choice_mca_id")]
diff --git a/openapi/openapi_spec.json b/openapi/openapi_spec.json
index 93037a3a190b..5e3f91faf34c 100644
--- a/openapi/openapi_spec.json
+++ b/openapi/openapi_spec.json
@@ -8609,6 +8609,7 @@
         "type": "object",
         "required": [
           "id",
+          "profile_id",
           "name",
           "description",
           "algorithm",
@@ -8619,6 +8620,9 @@
           "id": {
             "type": "string"
           },
+          "profile_id": {
+            "type": "string"
+          },
           "name": {
             "type": "string"
           },
@@ -10307,7 +10311,7 @@
           "routing": {
             "allOf": [
               {
-                "$ref": "#/components/schemas/RoutingAlgorithm"
+                "$ref": "#/components/schemas/StraightThroughAlgorithm"
               }
             ],
             "nullable": true
@@ -10677,7 +10681,7 @@
           "routing": {
             "allOf": [
               {
-                "$ref": "#/components/schemas/RoutingAlgorithm"
+                "$ref": "#/components/schemas/StraightThroughAlgorithm"
               }
             ],
             "nullable": true
@@ -12763,17 +12767,13 @@
       "RoutableConnectorChoice": {
         "type": "object",
         "required": [
-          "choice_kind",
           "connector"
         ],
         "properties": {
-          "choice_kind": {
-            "$ref": "#/components/schemas/RoutableChoiceKind"
-          },
           "connector": {
             "$ref": "#/components/schemas/RoutableConnectors"
           },
-          "sub_label": {
+          "merchant_connector_id": {
             "type": "string",
             "nullable": true
           }
@@ -12985,6 +12985,7 @@
         "type": "object",
         "required": [
           "id",
+          "profile_id",
           "name",
           "kind",
           "description",
@@ -12995,6 +12996,9 @@
           "id": {
             "type": "string"
           },
+          "profile_id": {
+            "type": "string"
+          },
           "name": {
             "type": "string"
           },