diff --git a/proto/sentry_protos/snuba/v1/endpoint_subscription_details.proto b/proto/sentry_protos/snuba/v1/endpoint_subscription_details.proto
new file mode 100644
index 0000000..b102e43
--- /dev/null
+++ b/proto/sentry_protos/snuba/v1/endpoint_subscription_details.proto
@@ -0,0 +1,21 @@
+syntax = "proto3";
+
+package sentry_protos.snuba.v1;
+
+import "sentry_protos/snuba/v1/endpoint_time_series.proto";
+
+message SubscriptionDetailsRequest {
+  // The subscription_id in format "partition/uuid"
+  string subscription_id = 1;
+  // The entity key (e.g., "events", "eap_items")
+  string entity_key = 2;
+}
+
+message SubscriptionDetailsResponse {
+  string subscription_id = 1;
+  string entity_key = 2;
+  TimeSeriesRequest time_series_request = 3;
+  uint32 time_window_secs = 4;
+  uint32 resolution_secs = 5;
+  int64 project_id = 6;
+}
diff --git a/rust/src/sentry_protos.snuba.v1.rs b/rust/src/sentry_protos.snuba.v1.rs
index 5905815..e501864 100644
--- a/rust/src/sentry_protos.snuba.v1.rs
+++ b/rust/src/sentry_protos.snuba.v1.rs
@@ -1405,6 +1405,30 @@ pub mod get_traces_response {
         pub attributes: ::prost::alloc::vec::Vec<super::TraceAttribute>,
     }
 }
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct SubscriptionDetailsRequest {
+    /// The subscription_id in format "partition/uuid"
+    #[prost(string, tag = "1")]
+    pub subscription_id: ::prost::alloc::string::String,
+    /// The entity key (e.g., "events", "eap_items")
+    #[prost(string, tag = "2")]
+    pub entity_key: ::prost::alloc::string::String,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct SubscriptionDetailsResponse {
+    #[prost(string, tag = "1")]
+    pub subscription_id: ::prost::alloc::string::String,
+    #[prost(string, tag = "2")]
+    pub entity_key: ::prost::alloc::string::String,
+    #[prost(message, optional, tag = "3")]
+    pub time_series_request: ::core::option::Option<TimeSeriesRequest>,
+    #[prost(uint32, tag = "4")]
+    pub time_window_secs: u32,
+    #[prost(uint32, tag = "5")]
+    pub resolution_secs: u32,
+    #[prost(int64, tag = "6")]
+    pub project_id: i64,
+}
 /// TraceItemAttributeNamesRequest is a request to the TraceItemAttributeNames endpoint,
 /// it returns the names of all queryable "TraceItemAttributes" that exist in the given projects,
 /// date range, and other filters.