diff --git a/generated/stripe_core/src/customer/requests.rs b/generated/stripe_core/src/customer/requests.rs
index b30bc5334..e71c4ca5e 100644
--- a/generated/stripe_core/src/customer/requests.rs
+++ b/generated/stripe_core/src/customer/requests.rs
@@ -630,14 +630,14 @@ impl<'a> RetrieveCustomer<'a> {
         &self,
         client: &stripe::Client,
         customer: &stripe_shared::CustomerId,
-    ) -> stripe::Response<RetrieveReturned> {
+    ) -> stripe::Response<RetrieveCustomerReturned> {
         client.get_query(&format!("/customers/{customer}"), self)
     }
 }
 #[derive(Clone, Debug, serde::Serialize, serde::Deserialize)]
-#[serde(tag = "object")]
-pub enum RetrieveReturned {
-    #[serde(rename = "customer")]
+#[serde(untagged)]
+pub enum RetrieveCustomerReturned {
+    Customer(stripe_shared::Customer),
     DeletedCustomer(stripe_shared::DeletedCustomer),
 }
 #[derive(Copy, Clone, Debug, Default, serde::Serialize)]
diff --git a/generated/stripe_payment/src/bank_account/requests.rs b/generated/stripe_payment/src/bank_account/requests.rs
index 0c33eb8e4..a30a3b820 100644
--- a/generated/stripe_payment/src/bank_account/requests.rs
+++ b/generated/stripe_payment/src/bank_account/requests.rs
@@ -155,7 +155,7 @@ impl<'a> UpdateCustomerBankAccount<'a> {
         client: &stripe::Client,
         customer: &stripe_shared::CustomerId,
         id: &str,
-    ) -> stripe::Response<UpdateCustomerReturned> {
+    ) -> stripe::Response<UpdateCustomerBankAccountReturned> {
         client.send_form(
             &format!("/customers/{customer}/sources/{id}"),
             self,
@@ -165,7 +165,7 @@ impl<'a> UpdateCustomerBankAccount<'a> {
 }
 #[derive(Clone, Debug, serde::Serialize, serde::Deserialize)]
 #[serde(tag = "object")]
-pub enum UpdateCustomerReturned {
+pub enum UpdateCustomerBankAccountReturned {
     #[serde(rename = "card")]
     Card(stripe_shared::Card),
     #[serde(rename = "bank_account")]
@@ -191,7 +191,7 @@ impl<'a> DeleteCustomerBankAccount<'a> {
         client: &stripe::Client,
         customer: &stripe_shared::CustomerId,
         id: &str,
-    ) -> stripe::Response<DeleteCustomerReturned> {
+    ) -> stripe::Response<DeleteCustomerBankAccountReturned> {
         client.send_form(
             &format!("/customers/{customer}/sources/{id}"),
             self,
@@ -201,7 +201,7 @@ impl<'a> DeleteCustomerBankAccount<'a> {
 }
 #[derive(Clone, Debug, serde::Serialize, serde::Deserialize)]
 #[serde(untagged)]
-pub enum DeleteCustomerReturned {
+pub enum DeleteCustomerBankAccountReturned {
     PaymentSource(stripe_shared::PaymentSource),
     DeletedPaymentSource(stripe_shared::DeletedPaymentSource),
 }
diff --git a/generated/stripe_payment/src/card/requests.rs b/generated/stripe_payment/src/card/requests.rs
index 8f2edb6a2..8e10f5e4d 100644
--- a/generated/stripe_payment/src/card/requests.rs
+++ b/generated/stripe_payment/src/card/requests.rs
@@ -155,7 +155,7 @@ impl<'a> UpdateCustomerCard<'a> {
         client: &stripe::Client,
         customer: &stripe_shared::CustomerId,
         id: &str,
-    ) -> stripe::Response<UpdateCustomerReturned> {
+    ) -> stripe::Response<UpdateCustomerCardReturned> {
         client.send_form(
             &format!("/customers/{customer}/sources/{id}"),
             self,
@@ -165,7 +165,7 @@ impl<'a> UpdateCustomerCard<'a> {
 }
 #[derive(Clone, Debug, serde::Serialize, serde::Deserialize)]
 #[serde(tag = "object")]
-pub enum UpdateCustomerReturned {
+pub enum UpdateCustomerCardReturned {
     #[serde(rename = "card")]
     Card(stripe_shared::Card),
     #[serde(rename = "bank_account")]
@@ -191,7 +191,7 @@ impl<'a> DeleteCustomerCard<'a> {
         client: &stripe::Client,
         customer: &stripe_shared::CustomerId,
         id: &str,
-    ) -> stripe::Response<DeleteCustomerReturned> {
+    ) -> stripe::Response<DeleteCustomerCardReturned> {
         client.send_form(
             &format!("/customers/{customer}/sources/{id}"),
             self,
@@ -201,7 +201,7 @@ impl<'a> DeleteCustomerCard<'a> {
 }
 #[derive(Clone, Debug, serde::Serialize, serde::Deserialize)]
 #[serde(untagged)]
-pub enum DeleteCustomerReturned {
+pub enum DeleteCustomerCardReturned {
     PaymentSource(stripe_shared::PaymentSource),
     DeletedPaymentSource(stripe_shared::DeletedPaymentSource),
 }
diff --git a/generated/stripe_payment/src/source/requests.rs b/generated/stripe_payment/src/source/requests.rs
index ce7c5efdd..72c228715 100644
--- a/generated/stripe_payment/src/source/requests.rs
+++ b/generated/stripe_payment/src/source/requests.rs
@@ -16,7 +16,7 @@ impl<'a> DetachSource<'a> {
         client: &stripe::Client,
         customer: &stripe_shared::CustomerId,
         id: &str,
-    ) -> stripe::Response<DetachReturned> {
+    ) -> stripe::Response<DetachSourceReturned> {
         client.send_form(
             &format!("/customers/{customer}/sources/{id}"),
             self,
@@ -26,7 +26,7 @@ impl<'a> DetachSource<'a> {
 }
 #[derive(Clone, Debug, serde::Serialize, serde::Deserialize)]
 #[serde(untagged)]
-pub enum DetachReturned {
+pub enum DetachSourceReturned {
     PaymentSource(stripe_shared::PaymentSource),
     DeletedPaymentSource(stripe_shared::DeletedPaymentSource),
 }
diff --git a/generated/stripe_terminal/src/terminal_configuration/requests.rs b/generated/stripe_terminal/src/terminal_configuration/requests.rs
index 4336de8e2..d2d5aa8a8 100644
--- a/generated/stripe_terminal/src/terminal_configuration/requests.rs
+++ b/generated/stripe_terminal/src/terminal_configuration/requests.rs
@@ -113,14 +113,14 @@ impl<'a> RetrieveTerminalConfiguration<'a> {
         &self,
         client: &stripe::Client,
         configuration: &stripe_terminal::TerminalConfigurationId,
-    ) -> stripe::Response<RetrieveReturned> {
+    ) -> stripe::Response<RetrieveTerminalConfigurationReturned> {
         client.get_query(&format!("/terminal/configurations/{configuration}"), self)
     }
 }
 #[derive(Clone, Debug, serde::Serialize, serde::Deserialize)]
-#[serde(tag = "object")]
-pub enum RetrieveReturned {
-    #[serde(rename = "terminal.configuration")]
+#[serde(untagged)]
+pub enum RetrieveTerminalConfigurationReturned {
+    TerminalConfiguration(stripe_terminal::TerminalConfiguration),
     DeletedTerminalConfiguration(stripe_terminal::DeletedTerminalConfiguration),
 }
 #[derive(Copy, Clone, Debug, Default, serde::Serialize)]
@@ -176,7 +176,7 @@ impl<'a> UpdateTerminalConfiguration<'a> {
         &self,
         client: &stripe::Client,
         configuration: &stripe_terminal::TerminalConfigurationId,
-    ) -> stripe::Response<UpdateReturned> {
+    ) -> stripe::Response<UpdateTerminalConfigurationReturned> {
         client.send_form(
             &format!("/terminal/configurations/{configuration}"),
             self,
@@ -185,9 +185,9 @@ impl<'a> UpdateTerminalConfiguration<'a> {
     }
 }
 #[derive(Clone, Debug, serde::Serialize, serde::Deserialize)]
-#[serde(tag = "object")]
-pub enum UpdateReturned {
-    #[serde(rename = "terminal.configuration")]
+#[serde(untagged)]
+pub enum UpdateTerminalConfigurationReturned {
+    TerminalConfiguration(stripe_terminal::TerminalConfiguration),
     DeletedTerminalConfiguration(stripe_terminal::DeletedTerminalConfiguration),
 }
 #[derive(Copy, Clone, Debug, Default, serde::Serialize)]
diff --git a/generated/stripe_terminal/src/terminal_location/requests.rs b/generated/stripe_terminal/src/terminal_location/requests.rs
index f8dedddd7..d5f1f739e 100644
--- a/generated/stripe_terminal/src/terminal_location/requests.rs
+++ b/generated/stripe_terminal/src/terminal_location/requests.rs
@@ -15,14 +15,14 @@ impl<'a> RetrieveTerminalLocation<'a> {
         &self,
         client: &stripe::Client,
         location: &stripe_terminal::TerminalLocationId,
-    ) -> stripe::Response<RetrieveReturned> {
+    ) -> stripe::Response<RetrieveTerminalLocationReturned> {
         client.get_query(&format!("/terminal/locations/{location}"), self)
     }
 }
 #[derive(Clone, Debug, serde::Serialize, serde::Deserialize)]
-#[serde(tag = "object")]
-pub enum RetrieveReturned {
-    #[serde(rename = "terminal.location")]
+#[serde(untagged)]
+pub enum RetrieveTerminalLocationReturned {
+    TerminalLocation(stripe_terminal::TerminalLocation),
     DeletedTerminalLocation(stripe_terminal::DeletedTerminalLocation),
 }
 #[derive(Copy, Clone, Debug, serde::Serialize)]
@@ -145,14 +145,14 @@ impl<'a> UpdateTerminalLocation<'a> {
         &self,
         client: &stripe::Client,
         location: &stripe_terminal::TerminalLocationId,
-    ) -> stripe::Response<UpdateReturned> {
+    ) -> stripe::Response<UpdateTerminalLocationReturned> {
         client.send_form(&format!("/terminal/locations/{location}"), self, http_types::Method::Post)
     }
 }
 #[derive(Clone, Debug, serde::Serialize, serde::Deserialize)]
-#[serde(tag = "object")]
-pub enum UpdateReturned {
-    #[serde(rename = "terminal.location")]
+#[serde(untagged)]
+pub enum UpdateTerminalLocationReturned {
+    TerminalLocation(stripe_terminal::TerminalLocation),
     DeletedTerminalLocation(stripe_terminal::DeletedTerminalLocation),
 }
 #[derive(Copy, Clone, Debug, Default, serde::Serialize)]
diff --git a/generated/stripe_terminal/src/terminal_reader/requests.rs b/generated/stripe_terminal/src/terminal_reader/requests.rs
index 0f841b964..5c9106f02 100644
--- a/generated/stripe_terminal/src/terminal_reader/requests.rs
+++ b/generated/stripe_terminal/src/terminal_reader/requests.rs
@@ -25,14 +25,14 @@ impl<'a> UpdateTerminalReader<'a> {
         &self,
         client: &stripe::Client,
         reader: &stripe_terminal::TerminalReaderId,
-    ) -> stripe::Response<UpdateReturned> {
+    ) -> stripe::Response<UpdateTerminalReaderReturned> {
         client.send_form(&format!("/terminal/readers/{reader}"), self, http_types::Method::Post)
     }
 }
 #[derive(Clone, Debug, serde::Serialize, serde::Deserialize)]
-#[serde(tag = "object")]
-pub enum UpdateReturned {
-    #[serde(rename = "terminal.reader")]
+#[serde(untagged)]
+pub enum UpdateTerminalReaderReturned {
+    TerminalReader(stripe_terminal::TerminalReader),
     DeletedTerminalReader(stripe_terminal::DeletedTerminalReader),
 }
 #[derive(Copy, Clone, Debug, Default, serde::Serialize)]
@@ -52,14 +52,14 @@ impl<'a> RetrieveTerminalReader<'a> {
         &self,
         client: &stripe::Client,
         reader: &stripe_terminal::TerminalReaderId,
-    ) -> stripe::Response<RetrieveReturned> {
+    ) -> stripe::Response<RetrieveTerminalReaderReturned> {
         client.get_query(&format!("/terminal/readers/{reader}"), self)
     }
 }
 #[derive(Clone, Debug, serde::Serialize, serde::Deserialize)]
-#[serde(tag = "object")]
-pub enum RetrieveReturned {
-    #[serde(rename = "terminal.reader")]
+#[serde(untagged)]
+pub enum RetrieveTerminalReaderReturned {
+    TerminalReader(stripe_terminal::TerminalReader),
     DeletedTerminalReader(stripe_terminal::DeletedTerminalReader),
 }
 #[derive(Copy, Clone, Debug, serde::Serialize)]
diff --git a/openapi/src/requests.rs b/openapi/src/requests.rs
index 7f56e7c31..c96f3c1f8 100644
--- a/openapi/src/requests.rs
+++ b/openapi/src/requests.rs
@@ -183,12 +183,12 @@ fn build_request(
     method_name: &str,
     path_id_map: &HashMap<String, ComponentPath>,
 ) -> anyhow::Result<RequestSpec> {
-    let return_ident = RustIdent::joined(method_name, "returned");
+    let params_ident = RustIdent::joined(&method_name, parent_ident);
+    let return_ident = RustIdent::joined(&params_ident, "returned");
     let return_type = Inference::new(&return_ident, ObjectKind::RequestReturned)
         .required(true)
         .infer_schema_or_ref_type(req.returned);
 
-    let params_ident = RustIdent::joined(method_name, parent_ident);
     let param_inference =
         Inference::new(&params_ident, ObjectKind::RequestParam).can_borrow(true).required(true);
 
diff --git a/openapi/src/rust_object.rs b/openapi/src/rust_object.rs
index e9a8c4127..a050ba0c5 100644
--- a/openapi/src/rust_object.rs
+++ b/openapi/src/rust_object.rs
@@ -235,7 +235,11 @@ pub fn as_enum_of_objects<'a>(
         let path = variant.rust_type.as_ref().and_then(|t| t.as_component_path())?;
         let obj = components.get(path);
         let name = obj.data.object_name.as_deref()?;
-        object_map.insert(name, ObjectRef { path: path.clone(), feature_gate: None });
+
+        // If we have duplicate object names, we cannot distinguish by the object tag, so give up here
+        if object_map.insert(name, ObjectRef { path: path.clone(), feature_gate: None }).is_some() {
+            return None;
+        }
     }
     Some(object_map)
 }
diff --git a/tests/tests/it/blocking/customer.rs b/tests/tests/it/blocking/customer.rs
index 48710c94f..ec6717947 100644
--- a/tests/tests/it/blocking/customer.rs
+++ b/tests/tests/it/blocking/customer.rs
@@ -1,4 +1,6 @@
-use stripe_core::customer::{CreateCustomer, DeleteCustomer};
+use stripe_core::customer::{
+    CreateCustomer, DeleteCustomer, RetrieveCustomer, RetrieveCustomerReturned,
+};
 
 use crate::mock;
 
@@ -26,3 +28,19 @@ fn customer_create_and_delete_with_account() {
         customer_create_and_delete(&client);
     });
 }
+
+#[test]
+fn retrieve_customer() {
+    mock::with_client(|client| {
+        let id = "cus_123".parse().unwrap();
+        let ret = RetrieveCustomer::new().send(client, &id).unwrap();
+        match ret {
+            RetrieveCustomerReturned::Customer(cust) => {
+                assert_eq!(cust.id, id);
+                assert_eq!(cust.invoice_prefix, Some("D331735".into()));
+                assert_eq!(cust.created, 1234567890);
+            }
+            RetrieveCustomerReturned::DeletedCustomer(_) => panic!("expected non-deleted response"),
+        }
+    })
+}