diff --git a/filter/envoy/envoy-wasm-filters/src/lib.rs b/filter/envoy/envoy-wasm-filters/src/lib.rs
index 3b052c3..4d6f682 100644
--- a/filter/envoy/envoy-wasm-filters/src/lib.rs
+++ b/filter/envoy/envoy-wasm-filters/src/lib.rs
@@ -55,6 +55,7 @@ struct Reqquest {
 struct Ressponse {
     headers: HashMap<String, String>,
     body: String,
+    backend_latency_in_nanos: u64,
 }
 
 const MAX_BODY_SIZE: usize = 1_000_000; // 1 MB
@@ -213,6 +214,16 @@ impl HttpContext for Plugin {
         if !body.is_empty() && body.len() <= MAX_BODY_SIZE {
             self.api_event.response.body = body;
         }
+
+        if let Some(value) = self.get_property(vec!["response", "backend_latency"]) {
+            // Ensure the byte vector has at least 8 bytes for u64
+            if value.len() >= 8 {
+                // Convert the first 8 bytes to an u64 (nanoseconds)
+                self.api_event.response.backend_latency_in_nanos =
+                    u64::from_ne_bytes(value[..8].try_into().unwrap_or_default());
+            }
+        }
+
         Action::Continue
     }
 }
diff --git a/protobuf/golang/sentryflow.pb.go b/protobuf/golang/sentryflow.pb.go
index 97ca48b..314eed5 100644
--- a/protobuf/golang/sentryflow.pb.go
+++ b/protobuf/golang/sentryflow.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.35.1
-// 	protoc        v5.28.0
+// 	protoc-gen-go v1.36.5
+// 	protoc        v5.29.3
 // source: sentryflow.proto
 
 package golang
@@ -11,6 +11,7 @@ import (
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
 	sync "sync"
+	unsafe "unsafe"
 )
 
 const (
@@ -21,12 +22,11 @@ const (
 )
 
 type ClientInfo struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	HostName      string                 `protobuf:"bytes,1,opt,name=hostName,proto3" json:"hostName,omitempty"`
+	IPAddress     string                 `protobuf:"bytes,2,opt,name=IPAddress,proto3" json:"IPAddress,omitempty"`
 	unknownFields protoimpl.UnknownFields
-
-	HostName  string `protobuf:"bytes,1,opt,name=hostName,proto3" json:"hostName,omitempty"`
-	IPAddress string `protobuf:"bytes,2,opt,name=IPAddress,proto3" json:"IPAddress,omitempty"`
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *ClientInfo) Reset() {
@@ -75,28 +75,27 @@ func (x *ClientInfo) GetIPAddress() string {
 
 // Deprecated: Marked as deprecated in sentryflow.proto.
 type APILog struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Id            uint64                 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
+	TimeStamp     string                 `protobuf:"bytes,2,opt,name=timeStamp,proto3" json:"timeStamp,omitempty"`
+	SrcNamespace  string                 `protobuf:"bytes,11,opt,name=srcNamespace,proto3" json:"srcNamespace,omitempty"`
+	SrcName       string                 `protobuf:"bytes,12,opt,name=srcName,proto3" json:"srcName,omitempty"`
+	SrcLabel      map[string]string      `protobuf:"bytes,13,rep,name=srcLabel,proto3" json:"srcLabel,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"`
+	SrcType       string                 `protobuf:"bytes,21,opt,name=srcType,proto3" json:"srcType,omitempty"`
+	SrcIP         string                 `protobuf:"bytes,22,opt,name=srcIP,proto3" json:"srcIP,omitempty"`
+	SrcPort       string                 `protobuf:"bytes,23,opt,name=srcPort,proto3" json:"srcPort,omitempty"`
+	DstNamespace  string                 `protobuf:"bytes,31,opt,name=dstNamespace,proto3" json:"dstNamespace,omitempty"`
+	DstName       string                 `protobuf:"bytes,32,opt,name=dstName,proto3" json:"dstName,omitempty"`
+	DstLabel      map[string]string      `protobuf:"bytes,33,rep,name=dstLabel,proto3" json:"dstLabel,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"`
+	DstType       string                 `protobuf:"bytes,41,opt,name=dstType,proto3" json:"dstType,omitempty"`
+	DstIP         string                 `protobuf:"bytes,42,opt,name=dstIP,proto3" json:"dstIP,omitempty"`
+	DstPort       string                 `protobuf:"bytes,43,opt,name=dstPort,proto3" json:"dstPort,omitempty"`
+	Protocol      string                 `protobuf:"bytes,51,opt,name=protocol,proto3" json:"protocol,omitempty"`
+	Method        string                 `protobuf:"bytes,52,opt,name=method,proto3" json:"method,omitempty"`
+	Path          string                 `protobuf:"bytes,53,opt,name=path,proto3" json:"path,omitempty"`
+	ResponseCode  int32                  `protobuf:"varint,54,opt,name=responseCode,proto3" json:"responseCode,omitempty"`
 	unknownFields protoimpl.UnknownFields
-
-	Id           uint64            `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
-	TimeStamp    string            `protobuf:"bytes,2,opt,name=timeStamp,proto3" json:"timeStamp,omitempty"`
-	SrcNamespace string            `protobuf:"bytes,11,opt,name=srcNamespace,proto3" json:"srcNamespace,omitempty"`
-	SrcName      string            `protobuf:"bytes,12,opt,name=srcName,proto3" json:"srcName,omitempty"`
-	SrcLabel     map[string]string `protobuf:"bytes,13,rep,name=srcLabel,proto3" json:"srcLabel,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
-	SrcType      string            `protobuf:"bytes,21,opt,name=srcType,proto3" json:"srcType,omitempty"`
-	SrcIP        string            `protobuf:"bytes,22,opt,name=srcIP,proto3" json:"srcIP,omitempty"`
-	SrcPort      string            `protobuf:"bytes,23,opt,name=srcPort,proto3" json:"srcPort,omitempty"`
-	DstNamespace string            `protobuf:"bytes,31,opt,name=dstNamespace,proto3" json:"dstNamespace,omitempty"`
-	DstName      string            `protobuf:"bytes,32,opt,name=dstName,proto3" json:"dstName,omitempty"`
-	DstLabel     map[string]string `protobuf:"bytes,33,rep,name=dstLabel,proto3" json:"dstLabel,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
-	DstType      string            `protobuf:"bytes,41,opt,name=dstType,proto3" json:"dstType,omitempty"`
-	DstIP        string            `protobuf:"bytes,42,opt,name=dstIP,proto3" json:"dstIP,omitempty"`
-	DstPort      string            `protobuf:"bytes,43,opt,name=dstPort,proto3" json:"dstPort,omitempty"`
-	Protocol     string            `protobuf:"bytes,51,opt,name=protocol,proto3" json:"protocol,omitempty"`
-	Method       string            `protobuf:"bytes,52,opt,name=method,proto3" json:"method,omitempty"`
-	Path         string            `protobuf:"bytes,53,opt,name=path,proto3" json:"path,omitempty"`
-	ResponseCode int32             `protobuf:"varint,54,opt,name=responseCode,proto3" json:"responseCode,omitempty"`
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *APILog) Reset() {
@@ -258,16 +257,15 @@ func (x *APILog) GetResponseCode() int32 {
 // APIEvent represents an event related to an API call, including metadata,
 // source and destination workloads, and network information.
 type APIEvent struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Metadata      *Metadata              `protobuf:"bytes,1,opt,name=metadata,proto3" json:"metadata,omitempty"`
+	Source        *Workload              `protobuf:"bytes,3,opt,name=source,proto3" json:"source,omitempty"`
+	Destination   *Workload              `protobuf:"bytes,4,opt,name=destination,proto3" json:"destination,omitempty"`
+	Request       *Request               `protobuf:"bytes,5,opt,name=request,proto3" json:"request,omitempty"`
+	Response      *Response              `protobuf:"bytes,6,opt,name=response,proto3" json:"response,omitempty"`
+	Protocol      string                 `protobuf:"bytes,7,opt,name=protocol,proto3" json:"protocol,omitempty"`
 	unknownFields protoimpl.UnknownFields
-
-	Metadata    *Metadata `protobuf:"bytes,1,opt,name=metadata,proto3" json:"metadata,omitempty"`
-	Source      *Workload `protobuf:"bytes,3,opt,name=source,proto3" json:"source,omitempty"`
-	Destination *Workload `protobuf:"bytes,4,opt,name=destination,proto3" json:"destination,omitempty"`
-	Request     *Request  `protobuf:"bytes,5,opt,name=request,proto3" json:"request,omitempty"`
-	Response    *Response `protobuf:"bytes,6,opt,name=response,proto3" json:"response,omitempty"`
-	Protocol    string    `protobuf:"bytes,7,opt,name=protocol,proto3" json:"protocol,omitempty"`
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *APIEvent) Reset() {
@@ -343,12 +341,9 @@ func (x *APIEvent) GetProtocol() string {
 }
 
 type Metadata struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	ContextId uint32 `protobuf:"varint,1,opt,name=context_id,json=contextId,proto3" json:"context_id,omitempty"`
-	Timestamp uint64 `protobuf:"varint,2,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
+	state     protoimpl.MessageState `protogen:"open.v1"`
+	ContextId uint32                 `protobuf:"varint,1,opt,name=context_id,json=contextId,proto3" json:"context_id,omitempty"`
+	Timestamp uint64                 `protobuf:"varint,2,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
 	// Deprecated: Marked as deprecated in sentryflow.proto.
 	IstioVersion string `protobuf:"bytes,3,opt,name=istio_version,json=istioVersion,proto3" json:"istio_version,omitempty"`
 	MeshId       string `protobuf:"bytes,4,opt,name=mesh_id,json=meshId,proto3" json:"mesh_id,omitempty"`
@@ -359,6 +354,8 @@ type Metadata struct {
 	ReceiverName string `protobuf:"bytes,6,opt,name=receiver_name,json=receiverName,proto3" json:"receiver_name,omitempty"`
 	// Version of receiver (e.g., 1.26.2).
 	ReceiverVersion string `protobuf:"bytes,7,opt,name=receiver_version,json=receiverVersion,proto3" json:"receiver_version,omitempty"`
+	unknownFields   protoimpl.UnknownFields
+	sizeCache       protoimpl.SizeCache
 }
 
 func (x *Metadata) Reset() {
@@ -445,10 +442,7 @@ func (x *Metadata) GetReceiverVersion() string {
 // non-Kubernetes resource. It serves as a source or destination for access
 // within a system.
 type Workload struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// The name of the workload.
 	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
 	// The namespace in which the workload is deployed. This field is only applicable
@@ -457,7 +451,9 @@ type Workload struct {
 	// The IP address of the workload.
 	Ip string `protobuf:"bytes,3,opt,name=ip,proto3" json:"ip,omitempty"`
 	// The port number used by the workload.
-	Port int32 `protobuf:"varint,4,opt,name=port,proto3" json:"port,omitempty"`
+	Port          int32 `protobuf:"varint,4,opt,name=port,proto3" json:"port,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *Workload) Reset() {
@@ -520,12 +516,11 @@ func (x *Workload) GetPort() int32 {
 
 // Request represents an incoming HTTP request.
 type Request struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Headers       map[string]string      `protobuf:"bytes,1,rep,name=headers,proto3" json:"headers,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"`
+	Body          string                 `protobuf:"bytes,2,opt,name=body,proto3" json:"body,omitempty"`
 	unknownFields protoimpl.UnknownFields
-
-	Headers map[string]string `protobuf:"bytes,1,rep,name=headers,proto3" json:"headers,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
-	Body    string            `protobuf:"bytes,2,opt,name=body,proto3" json:"body,omitempty"`
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *Request) Reset() {
@@ -574,12 +569,12 @@ func (x *Request) GetBody() string {
 
 // Response represents an outgoing HTTP response.
 type Response struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Headers map[string]string `protobuf:"bytes,1,rep,name=headers,proto3" json:"headers,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
-	Body    string            `protobuf:"bytes,2,opt,name=body,proto3" json:"body,omitempty"`
+	state                 protoimpl.MessageState `protogen:"open.v1"`
+	Headers               map[string]string      `protobuf:"bytes,1,rep,name=headers,proto3" json:"headers,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"`
+	Body                  string                 `protobuf:"bytes,2,opt,name=body,proto3" json:"body,omitempty"`
+	BackendLatencyInNanos uint64                 `protobuf:"varint,3,opt,name=backend_latency_in_nanos,json=backendLatencyInNanos,proto3" json:"backend_latency_in_nanos,omitempty"`
+	unknownFields         protoimpl.UnknownFields
+	sizeCache             protoimpl.SizeCache
 }
 
 func (x *Response) Reset() {
@@ -626,12 +621,18 @@ func (x *Response) GetBody() string {
 	return ""
 }
 
+func (x *Response) GetBackendLatencyInNanos() uint64 {
+	if x != nil {
+		return x.BackendLatencyInNanos
+	}
+	return 0
+}
+
 type APIMetrics struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	PerAPICounts  map[string]uint64      `protobuf:"bytes,1,rep,name=perAPICounts,proto3" json:"perAPICounts,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"varint,2,opt,name=value"` // @todo: add some more metrics here
 	unknownFields protoimpl.UnknownFields
-
-	PerAPICounts map[string]uint64 `protobuf:"bytes,1,rep,name=perAPICounts,proto3" json:"perAPICounts,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"varint,2,opt,name=value,proto3"` // @todo: add some more metrics here
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *APIMetrics) Reset() {
@@ -672,11 +673,10 @@ func (x *APIMetrics) GetPerAPICounts() map[string]uint64 {
 }
 
 type MetricValue struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Value         map[string]string      `protobuf:"bytes,1,rep,name=value,proto3" json:"value,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"`
 	unknownFields protoimpl.UnknownFields
-
-	Value map[string]string `protobuf:"bytes,1,rep,name=value,proto3" json:"value,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *MetricValue) Reset() {
@@ -717,16 +717,15 @@ func (x *MetricValue) GetValue() map[string]string {
 }
 
 type EnvoyMetrics struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
+	state         protoimpl.MessageState  `protogen:"open.v1"`
+	TimeStamp     string                  `protobuf:"bytes,1,opt,name=timeStamp,proto3" json:"timeStamp,omitempty"`
+	Namespace     string                  `protobuf:"bytes,11,opt,name=namespace,proto3" json:"namespace,omitempty"`
+	Name          string                  `protobuf:"bytes,12,opt,name=name,proto3" json:"name,omitempty"`
+	IPAddress     string                  `protobuf:"bytes,13,opt,name=IPAddress,proto3" json:"IPAddress,omitempty"`
+	Labels        map[string]string       `protobuf:"bytes,14,rep,name=labels,proto3" json:"labels,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"`
+	Metrics       map[string]*MetricValue `protobuf:"bytes,21,rep,name=metrics,proto3" json:"metrics,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"`
 	unknownFields protoimpl.UnknownFields
-
-	TimeStamp string                  `protobuf:"bytes,1,opt,name=timeStamp,proto3" json:"timeStamp,omitempty"`
-	Namespace string                  `protobuf:"bytes,11,opt,name=namespace,proto3" json:"namespace,omitempty"`
-	Name      string                  `protobuf:"bytes,12,opt,name=name,proto3" json:"name,omitempty"`
-	IPAddress string                  `protobuf:"bytes,13,opt,name=IPAddress,proto3" json:"IPAddress,omitempty"`
-	Labels    map[string]string       `protobuf:"bytes,14,rep,name=labels,proto3" json:"labels,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
-	Metrics   map[string]*MetricValue `protobuf:"bytes,21,rep,name=metrics,proto3" json:"metrics,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *EnvoyMetrics) Reset() {
@@ -803,7 +802,7 @@ func (x *EnvoyMetrics) GetMetrics() map[string]*MetricValue {
 
 var File_sentryflow_proto protoreflect.FileDescriptor
 
-var file_sentryflow_proto_rawDesc = []byte{
+var file_sentryflow_proto_rawDesc = string([]byte{
 	0x0a, 0x10, 0x73, 0x65, 0x6e, 0x74, 0x72, 0x79, 0x66, 0x6c, 0x6f, 0x77, 0x2e, 0x70, 0x72, 0x6f,
 	0x74, 0x6f, 0x12, 0x08, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x22, 0x46, 0x0a, 0x0a,
 	0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x49, 0x6e, 0x66, 0x6f, 0x12, 0x1a, 0x0a, 0x08, 0x68, 0x6f,
@@ -901,92 +900,96 @@ var file_sentryflow_proto_rawDesc = []byte{
 	0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x73, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x12, 0x10, 0x0a, 0x03,
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+	0x49, 0x6e, 0x66, 0x6f, 0x1a, 0x16, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e,
+	0x45, 0x6e, 0x76, 0x6f, 0x79, 0x4d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x30, 0x01, 0x42, 0x2d,
+	0x5a, 0x2b, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x35, 0x47, 0x53,
+	0x45, 0x43, 0x2f, 0x53, 0x65, 0x6e, 0x74, 0x72, 0x79, 0x46, 0x6c, 0x6f, 0x77, 0x2f, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x67, 0x6f, 0x6c, 0x61, 0x6e, 0x67, 0x62, 0x06, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x33,
+})
 
 var (
 	file_sentryflow_proto_rawDescOnce sync.Once
-	file_sentryflow_proto_rawDescData = file_sentryflow_proto_rawDesc
+	file_sentryflow_proto_rawDescData []byte
 )
 
 func file_sentryflow_proto_rawDescGZIP() []byte {
 	file_sentryflow_proto_rawDescOnce.Do(func() {
-		file_sentryflow_proto_rawDescData = protoimpl.X.CompressGZIP(file_sentryflow_proto_rawDescData)
+		file_sentryflow_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_sentryflow_proto_rawDesc), len(file_sentryflow_proto_rawDesc)))
 	})
 	return file_sentryflow_proto_rawDescData
 }
@@ -1053,7 +1056,7 @@ func file_sentryflow_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_sentryflow_proto_rawDesc,
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_sentryflow_proto_rawDesc), len(file_sentryflow_proto_rawDesc)),
 			NumEnums:      0,
 			NumMessages:   18,
 			NumExtensions: 0,
@@ -1064,7 +1067,6 @@ func file_sentryflow_proto_init() {
 		MessageInfos:      file_sentryflow_proto_msgTypes,
 	}.Build()
 	File_sentryflow_proto = out.File
-	file_sentryflow_proto_rawDesc = nil
 	file_sentryflow_proto_goTypes = nil
 	file_sentryflow_proto_depIdxs = nil
 }
diff --git a/protobuf/golang/sentryflow_grpc.pb.go b/protobuf/golang/sentryflow_grpc.pb.go
index ee392c7..4811a90 100644
--- a/protobuf/golang/sentryflow_grpc.pb.go
+++ b/protobuf/golang/sentryflow_grpc.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.5.1
-// - protoc             v5.28.0
+// - protoc             v5.29.3
 // source: sentryflow.proto
 
 package golang
diff --git a/protobuf/golang/sentryflow_metrics.pb.go b/protobuf/golang/sentryflow_metrics.pb.go
index ea9b33c..d471f9b 100644
--- a/protobuf/golang/sentryflow_metrics.pb.go
+++ b/protobuf/golang/sentryflow_metrics.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.35.1
-// 	protoc        v5.28.0
+// 	protoc-gen-go v1.36.5
+// 	protoc        v5.29.3
 // source: sentryflow_metrics.proto
 
 package golang
@@ -11,6 +11,7 @@ import (
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
 	sync "sync"
+	unsafe "unsafe"
 )
 
 const (
@@ -21,11 +22,10 @@ const (
 )
 
 type APIClassifierRequest struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	API           []string               `protobuf:"bytes,1,rep,name=API,proto3" json:"API,omitempty"`
 	unknownFields protoimpl.UnknownFields
-
-	API []string `protobuf:"bytes,1,rep,name=API,proto3" json:"API,omitempty"`
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *APIClassifierRequest) Reset() {
@@ -66,11 +66,10 @@ func (x *APIClassifierRequest) GetAPI() []string {
 }
 
 type APIClassifierResponse struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	APIs          map[string]uint64      `protobuf:"bytes,1,rep,name=APIs,proto3" json:"APIs,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"varint,2,opt,name=value"`
 	unknownFields protoimpl.UnknownFields
-
-	APIs map[string]uint64 `protobuf:"bytes,1,rep,name=APIs,proto3" json:"APIs,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"varint,2,opt,name=value,proto3"`
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *APIClassifierResponse) Reset() {
@@ -112,7 +111,7 @@ func (x *APIClassifierResponse) GetAPIs() map[string]uint64 {
 
 var File_sentryflow_metrics_proto protoreflect.FileDescriptor
 
-var file_sentryflow_metrics_proto_rawDesc = []byte{
+var file_sentryflow_metrics_proto_rawDesc = string([]byte{
 	0x0a, 0x18, 0x73, 0x65, 0x6e, 0x74, 0x72, 0x79, 0x66, 0x6c, 0x6f, 0x77, 0x5f, 0x6d, 0x65, 0x74,
 	0x72, 0x69, 0x63, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x08, 0x70, 0x72, 0x6f, 0x74,
 	0x6f, 0x62, 0x75, 0x66, 0x22, 0x28, 0x0a, 0x14, 0x41, 0x50, 0x49, 0x43, 0x6c, 0x61, 0x73, 0x73,
@@ -137,16 +136,16 @@ var file_sentryflow_metrics_proto_rawDesc = []byte{
 	0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x35, 0x47, 0x53, 0x45, 0x43, 0x2f, 0x53, 0x65, 0x6e, 0x74, 0x72,
 	0x79, 0x46, 0x6c, 0x6f, 0x77, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x67,
 	0x6f, 0x6c, 0x61, 0x6e, 0x67, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
-}
+})
 
 var (
 	file_sentryflow_metrics_proto_rawDescOnce sync.Once
-	file_sentryflow_metrics_proto_rawDescData = file_sentryflow_metrics_proto_rawDesc
+	file_sentryflow_metrics_proto_rawDescData []byte
 )
 
 func file_sentryflow_metrics_proto_rawDescGZIP() []byte {
 	file_sentryflow_metrics_proto_rawDescOnce.Do(func() {
-		file_sentryflow_metrics_proto_rawDescData = protoimpl.X.CompressGZIP(file_sentryflow_metrics_proto_rawDescData)
+		file_sentryflow_metrics_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_sentryflow_metrics_proto_rawDesc), len(file_sentryflow_metrics_proto_rawDesc)))
 	})
 	return file_sentryflow_metrics_proto_rawDescData
 }
@@ -177,7 +176,7 @@ func file_sentryflow_metrics_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_sentryflow_metrics_proto_rawDesc,
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_sentryflow_metrics_proto_rawDesc), len(file_sentryflow_metrics_proto_rawDesc)),
 			NumEnums:      0,
 			NumMessages:   3,
 			NumExtensions: 0,
@@ -188,7 +187,6 @@ func file_sentryflow_metrics_proto_init() {
 		MessageInfos:      file_sentryflow_metrics_proto_msgTypes,
 	}.Build()
 	File_sentryflow_metrics_proto = out.File
-	file_sentryflow_metrics_proto_rawDesc = nil
 	file_sentryflow_metrics_proto_goTypes = nil
 	file_sentryflow_metrics_proto_depIdxs = nil
 }
diff --git a/protobuf/golang/sentryflow_metrics_grpc.pb.go b/protobuf/golang/sentryflow_metrics_grpc.pb.go
index db8f5a7..0df1d0a 100644
--- a/protobuf/golang/sentryflow_metrics_grpc.pb.go
+++ b/protobuf/golang/sentryflow_metrics_grpc.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.5.1
-// - protoc             v5.28.0
+// - protoc             v5.29.3
 // source: sentryflow_metrics.proto
 
 package golang
diff --git a/protobuf/python/sentryflow_metrics_pb2.py b/protobuf/python/sentryflow_metrics_pb2.py
index 0c70936..9d54835 100644
--- a/protobuf/python/sentryflow_metrics_pb2.py
+++ b/protobuf/python/sentryflow_metrics_pb2.py
@@ -2,7 +2,7 @@
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
 # NO CHECKED-IN PROTOBUF GENCODE
 # source: sentryflow_metrics.proto
-# Protobuf Python Version: 5.28.0
+# Protobuf Python Version: 5.29.3
 """Generated protocol buffer code."""
 from google.protobuf import descriptor as _descriptor
 from google.protobuf import descriptor_pool as _descriptor_pool
@@ -12,8 +12,8 @@
 _runtime_version.ValidateProtobufRuntimeVersion(
     _runtime_version.Domain.PUBLIC,
     5,
-    28,
-    0,
+    29,
+    3,
     '',
     'sentryflow_metrics.proto'
 )
diff --git a/protobuf/python/sentryflow_pb2.py b/protobuf/python/sentryflow_pb2.py
index de1239f..ec20fcd 100644
--- a/protobuf/python/sentryflow_pb2.py
+++ b/protobuf/python/sentryflow_pb2.py
@@ -2,7 +2,7 @@
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
 # NO CHECKED-IN PROTOBUF GENCODE
 # source: sentryflow.proto
-# Protobuf Python Version: 5.28.0
+# Protobuf Python Version: 5.29.3
 """Generated protocol buffer code."""
 from google.protobuf import descriptor as _descriptor
 from google.protobuf import descriptor_pool as _descriptor_pool
@@ -12,8 +12,8 @@
 _runtime_version.ValidateProtobufRuntimeVersion(
     _runtime_version.Domain.PUBLIC,
     5,
-    28,
-    0,
+    29,
+    3,
     '',
     'sentryflow.proto'
 )
@@ -24,7 +24,7 @@
 
 
 
-DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x10sentryflow.proto\x12\x08protobuf\"1\n\nClientInfo\x12\x10\n\x08hostName\x18\x01 \x01(\t\x12\x11\n\tIPAddress\x18\x02 \x01(\t\"\xe7\x03\n\x06\x41PILog\x12\n\n\x02id\x18\x01 \x01(\x04\x12\x11\n\ttimeStamp\x18\x02 \x01(\t\x12\x14\n\x0csrcNamespace\x18\x0b \x01(\t\x12\x0f\n\x07srcName\x18\x0c \x01(\t\x12\x30\n\x08srcLabel\x18\r \x03(\x0b\x32\x1e.protobuf.APILog.SrcLabelEntry\x12\x0f\n\x07srcType\x18\x15 \x01(\t\x12\r\n\x05srcIP\x18\x16 \x01(\t\x12\x0f\n\x07srcPort\x18\x17 \x01(\t\x12\x14\n\x0c\x64stNamespace\x18\x1f \x01(\t\x12\x0f\n\x07\x64stName\x18  \x01(\t\x12\x30\n\x08\x64stLabel\x18! \x03(\x0b\x32\x1e.protobuf.APILog.DstLabelEntry\x12\x0f\n\x07\x64stType\x18) \x01(\t\x12\r\n\x05\x64stIP\x18* \x01(\t\x12\x0f\n\x07\x64stPort\x18+ \x01(\t\x12\x10\n\x08protocol\x18\x33 \x01(\t\x12\x0e\n\x06method\x18\x34 \x01(\t\x12\x0c\n\x04path\x18\x35 \x01(\t\x12\x14\n\x0cresponseCode\x18\x36 \x01(\x05\x1a/\n\rSrcLabelEntry\x12\x0b\n\x03key\x18\x01 \x01(\t\x12\r\n\x05value\x18\x02 \x01(\t:\x02\x38\x01\x1a/\n\rDstLabelEntry\x12\x0b\n\x03key\x18\x01 \x01(\t\x12\r\n\x05value\x18\x02 \x01(\t:\x02\x38\x01:\x02\x18\x01\"\xd9\x01\n\x08\x41PIEvent\x12$\n\x08metadata\x18\x01 \x01(\x0b\x32\x12.protobuf.Metadata\x12\"\n\x06source\x18\x03 \x01(\x0b\x32\x12.protobuf.Workload\x12\'\n\x0b\x64\x65stination\x18\x04 \x01(\x0b\x32\x12.protobuf.Workload\x12\"\n\x07request\x18\x05 \x01(\x0b\x32\x11.protobuf.Request\x12$\n\x08response\x18\x06 \x01(\x0b\x32\x12.protobuf.Response\x12\x10\n\x08protocol\x18\x07 \x01(\t\"\xa1\x01\n\x08Metadata\x12\x12\n\ncontext_id\x18\x01 \x01(\r\x12\x11\n\ttimestamp\x18\x02 \x01(\x04\x12\x19\n\ristio_version\x18\x03 \x01(\tB\x02\x18\x01\x12\x0f\n\x07mesh_id\x18\x04 \x01(\t\x12\x11\n\tnode_name\x18\x05 \x01(\t\x12\x15\n\rreceiver_name\x18\x06 \x01(\t\x12\x18\n\x10receiver_version\x18\x07 \x01(\t\"E\n\x08Workload\x12\x0c\n\x04name\x18\x01 \x01(\t\x12\x11\n\tnamespace\x18\x02 \x01(\t\x12\n\n\x02ip\x18\x03 \x01(\t\x12\x0c\n\x04port\x18\x04 \x01(\x05\"x\n\x07Request\x12/\n\x07headers\x18\x01 \x03(\x0b\x32\x1e.protobuf.Request.HeadersEntry\x12\x0c\n\x04\x62ody\x18\x02 \x01(\t\x1a.\n\x0cHeadersEntry\x12\x0b\n\x03key\x18\x01 \x01(\t\x12\r\n\x05value\x18\x02 \x01(\t:\x02\x38\x01\"z\n\x08Response\x12\x30\n\x07headers\x18\x01 \x03(\x0b\x32\x1f.protobuf.Response.HeadersEntry\x12\x0c\n\x04\x62ody\x18\x02 \x01(\t\x1a.\n\x0cHeadersEntry\x12\x0b\n\x03key\x18\x01 \x01(\t\x12\r\n\x05value\x18\x02 \x01(\t:\x02\x38\x01\"\x7f\n\nAPIMetrics\x12<\n\x0cperAPICounts\x18\x01 \x03(\x0b\x32&.protobuf.APIMetrics.PerAPICountsEntry\x1a\x33\n\x11PerAPICountsEntry\x12\x0b\n\x03key\x18\x01 \x01(\t\x12\r\n\x05value\x18\x02 \x01(\x04:\x02\x38\x01\"l\n\x0bMetricValue\x12/\n\x05value\x18\x01 \x03(\x0b\x32 .protobuf.MetricValue.ValueEntry\x1a,\n\nValueEntry\x12\x0b\n\x03key\x18\x01 \x01(\t\x12\r\n\x05value\x18\x02 \x01(\t:\x02\x38\x01\"\xb5\x02\n\x0c\x45nvoyMetrics\x12\x11\n\ttimeStamp\x18\x01 \x01(\t\x12\x11\n\tnamespace\x18\x0b \x01(\t\x12\x0c\n\x04name\x18\x0c \x01(\t\x12\x11\n\tIPAddress\x18\r \x01(\t\x12\x32\n\x06labels\x18\x0e \x03(\x0b\x32\".protobuf.EnvoyMetrics.LabelsEntry\x12\x34\n\x07metrics\x18\x15 \x03(\x0b\x32#.protobuf.EnvoyMetrics.MetricsEntry\x1a-\n\x0bLabelsEntry\x12\x0b\n\x03key\x18\x01 \x01(\t\x12\r\n\x05value\x18\x02 \x01(\t:\x02\x38\x01\x1a\x45\n\x0cMetricsEntry\x12\x0b\n\x03key\x18\x01 \x01(\t\x12$\n\x05value\x18\x02 \x01(\x0b\x32\x15.protobuf.MetricValue:\x02\x38\x01\x32\xbd\x02\n\nSentryFlow\x12:\n\tGetAPILog\x12\x14.protobuf.ClientInfo\x1a\x10.protobuf.APILog\"\x03\x88\x02\x01\x30\x01\x12\x39\n\x0bGetAPIEvent\x12\x14.protobuf.ClientInfo\x1a\x12.protobuf.APIEvent0\x01\x12\x36\n\x0cSendAPIEvent\x12\x12.protobuf.APIEvent\x1a\x12.protobuf.APIEvent\x12=\n\rGetAPIMetrics\x12\x14.protobuf.ClientInfo\x1a\x14.protobuf.APIMetrics0\x01\x12\x41\n\x0fGetEnvoyMetrics\x12\x14.protobuf.ClientInfo\x1a\x16.protobuf.EnvoyMetrics0\x01\x42-Z+github.com/5GSEC/SentryFlow/protobuf/golangb\x06proto3')
+DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x10sentryflow.proto\x12\x08protobuf\"1\n\nClientInfo\x12\x10\n\x08hostName\x18\x01 \x01(\t\x12\x11\n\tIPAddress\x18\x02 \x01(\t\"\xe7\x03\n\x06\x41PILog\x12\n\n\x02id\x18\x01 \x01(\x04\x12\x11\n\ttimeStamp\x18\x02 \x01(\t\x12\x14\n\x0csrcNamespace\x18\x0b \x01(\t\x12\x0f\n\x07srcName\x18\x0c \x01(\t\x12\x30\n\x08srcLabel\x18\r \x03(\x0b\x32\x1e.protobuf.APILog.SrcLabelEntry\x12\x0f\n\x07srcType\x18\x15 \x01(\t\x12\r\n\x05srcIP\x18\x16 \x01(\t\x12\x0f\n\x07srcPort\x18\x17 \x01(\t\x12\x14\n\x0c\x64stNamespace\x18\x1f \x01(\t\x12\x0f\n\x07\x64stName\x18  \x01(\t\x12\x30\n\x08\x64stLabel\x18! \x03(\x0b\x32\x1e.protobuf.APILog.DstLabelEntry\x12\x0f\n\x07\x64stType\x18) \x01(\t\x12\r\n\x05\x64stIP\x18* \x01(\t\x12\x0f\n\x07\x64stPort\x18+ \x01(\t\x12\x10\n\x08protocol\x18\x33 \x01(\t\x12\x0e\n\x06method\x18\x34 \x01(\t\x12\x0c\n\x04path\x18\x35 \x01(\t\x12\x14\n\x0cresponseCode\x18\x36 \x01(\x05\x1a/\n\rSrcLabelEntry\x12\x0b\n\x03key\x18\x01 \x01(\t\x12\r\n\x05value\x18\x02 \x01(\t:\x02\x38\x01\x1a/\n\rDstLabelEntry\x12\x0b\n\x03key\x18\x01 \x01(\t\x12\r\n\x05value\x18\x02 \x01(\t:\x02\x38\x01:\x02\x18\x01\"\xd9\x01\n\x08\x41PIEvent\x12$\n\x08metadata\x18\x01 \x01(\x0b\x32\x12.protobuf.Metadata\x12\"\n\x06source\x18\x03 \x01(\x0b\x32\x12.protobuf.Workload\x12\'\n\x0b\x64\x65stination\x18\x04 \x01(\x0b\x32\x12.protobuf.Workload\x12\"\n\x07request\x18\x05 \x01(\x0b\x32\x11.protobuf.Request\x12$\n\x08response\x18\x06 \x01(\x0b\x32\x12.protobuf.Response\x12\x10\n\x08protocol\x18\x07 \x01(\t\"\xa1\x01\n\x08Metadata\x12\x12\n\ncontext_id\x18\x01 \x01(\r\x12\x11\n\ttimestamp\x18\x02 \x01(\x04\x12\x19\n\ristio_version\x18\x03 \x01(\tB\x02\x18\x01\x12\x0f\n\x07mesh_id\x18\x04 \x01(\t\x12\x11\n\tnode_name\x18\x05 \x01(\t\x12\x15\n\rreceiver_name\x18\x06 \x01(\t\x12\x18\n\x10receiver_version\x18\x07 \x01(\t\"E\n\x08Workload\x12\x0c\n\x04name\x18\x01 \x01(\t\x12\x11\n\tnamespace\x18\x02 \x01(\t\x12\n\n\x02ip\x18\x03 \x01(\t\x12\x0c\n\x04port\x18\x04 \x01(\x05\"x\n\x07Request\x12/\n\x07headers\x18\x01 \x03(\x0b\x32\x1e.protobuf.Request.HeadersEntry\x12\x0c\n\x04\x62ody\x18\x02 \x01(\t\x1a.\n\x0cHeadersEntry\x12\x0b\n\x03key\x18\x01 \x01(\t\x12\r\n\x05value\x18\x02 \x01(\t:\x02\x38\x01\"\x9c\x01\n\x08Response\x12\x30\n\x07headers\x18\x01 \x03(\x0b\x32\x1f.protobuf.Response.HeadersEntry\x12\x0c\n\x04\x62ody\x18\x02 \x01(\t\x12 \n\x18\x62\x61\x63kend_latency_in_nanos\x18\x03 \x01(\x04\x1a.\n\x0cHeadersEntry\x12\x0b\n\x03key\x18\x01 \x01(\t\x12\r\n\x05value\x18\x02 \x01(\t:\x02\x38\x01\"\x7f\n\nAPIMetrics\x12<\n\x0cperAPICounts\x18\x01 \x03(\x0b\x32&.protobuf.APIMetrics.PerAPICountsEntry\x1a\x33\n\x11PerAPICountsEntry\x12\x0b\n\x03key\x18\x01 \x01(\t\x12\r\n\x05value\x18\x02 \x01(\x04:\x02\x38\x01\"l\n\x0bMetricValue\x12/\n\x05value\x18\x01 \x03(\x0b\x32 .protobuf.MetricValue.ValueEntry\x1a,\n\nValueEntry\x12\x0b\n\x03key\x18\x01 \x01(\t\x12\r\n\x05value\x18\x02 \x01(\t:\x02\x38\x01\"\xb5\x02\n\x0c\x45nvoyMetrics\x12\x11\n\ttimeStamp\x18\x01 \x01(\t\x12\x11\n\tnamespace\x18\x0b \x01(\t\x12\x0c\n\x04name\x18\x0c \x01(\t\x12\x11\n\tIPAddress\x18\r \x01(\t\x12\x32\n\x06labels\x18\x0e \x03(\x0b\x32\".protobuf.EnvoyMetrics.LabelsEntry\x12\x34\n\x07metrics\x18\x15 \x03(\x0b\x32#.protobuf.EnvoyMetrics.MetricsEntry\x1a-\n\x0bLabelsEntry\x12\x0b\n\x03key\x18\x01 \x01(\t\x12\r\n\x05value\x18\x02 \x01(\t:\x02\x38\x01\x1a\x45\n\x0cMetricsEntry\x12\x0b\n\x03key\x18\x01 \x01(\t\x12$\n\x05value\x18\x02 \x01(\x0b\x32\x15.protobuf.MetricValue:\x02\x38\x01\x32\xbd\x02\n\nSentryFlow\x12:\n\tGetAPILog\x12\x14.protobuf.ClientInfo\x1a\x10.protobuf.APILog\"\x03\x88\x02\x01\x30\x01\x12\x39\n\x0bGetAPIEvent\x12\x14.protobuf.ClientInfo\x1a\x12.protobuf.APIEvent0\x01\x12\x36\n\x0cSendAPIEvent\x12\x12.protobuf.APIEvent\x1a\x12.protobuf.APIEvent\x12=\n\rGetAPIMetrics\x12\x14.protobuf.ClientInfo\x1a\x14.protobuf.APIMetrics0\x01\x12\x41\n\x0fGetEnvoyMetrics\x12\x14.protobuf.ClientInfo\x1a\x16.protobuf.EnvoyMetrics0\x01\x42-Z+github.com/5GSEC/SentryFlow/protobuf/golangb\x06proto3')
 
 _globals = globals()
 _builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, _globals)
@@ -72,24 +72,24 @@
   _globals['_REQUEST']._serialized_end=1146
   _globals['_REQUEST_HEADERSENTRY']._serialized_start=1100
   _globals['_REQUEST_HEADERSENTRY']._serialized_end=1146
-  _globals['_RESPONSE']._serialized_start=1148
-  _globals['_RESPONSE']._serialized_end=1270
+  _globals['_RESPONSE']._serialized_start=1149
+  _globals['_RESPONSE']._serialized_end=1305
   _globals['_RESPONSE_HEADERSENTRY']._serialized_start=1100
   _globals['_RESPONSE_HEADERSENTRY']._serialized_end=1146
-  _globals['_APIMETRICS']._serialized_start=1272
-  _globals['_APIMETRICS']._serialized_end=1399
-  _globals['_APIMETRICS_PERAPICOUNTSENTRY']._serialized_start=1348
-  _globals['_APIMETRICS_PERAPICOUNTSENTRY']._serialized_end=1399
-  _globals['_METRICVALUE']._serialized_start=1401
-  _globals['_METRICVALUE']._serialized_end=1509
-  _globals['_METRICVALUE_VALUEENTRY']._serialized_start=1465
-  _globals['_METRICVALUE_VALUEENTRY']._serialized_end=1509
-  _globals['_ENVOYMETRICS']._serialized_start=1512
-  _globals['_ENVOYMETRICS']._serialized_end=1821
-  _globals['_ENVOYMETRICS_LABELSENTRY']._serialized_start=1705
-  _globals['_ENVOYMETRICS_LABELSENTRY']._serialized_end=1750
-  _globals['_ENVOYMETRICS_METRICSENTRY']._serialized_start=1752
-  _globals['_ENVOYMETRICS_METRICSENTRY']._serialized_end=1821
-  _globals['_SENTRYFLOW']._serialized_start=1824
-  _globals['_SENTRYFLOW']._serialized_end=2141
+  _globals['_APIMETRICS']._serialized_start=1307
+  _globals['_APIMETRICS']._serialized_end=1434
+  _globals['_APIMETRICS_PERAPICOUNTSENTRY']._serialized_start=1383
+  _globals['_APIMETRICS_PERAPICOUNTSENTRY']._serialized_end=1434
+  _globals['_METRICVALUE']._serialized_start=1436
+  _globals['_METRICVALUE']._serialized_end=1544
+  _globals['_METRICVALUE_VALUEENTRY']._serialized_start=1500
+  _globals['_METRICVALUE_VALUEENTRY']._serialized_end=1544
+  _globals['_ENVOYMETRICS']._serialized_start=1547
+  _globals['_ENVOYMETRICS']._serialized_end=1856
+  _globals['_ENVOYMETRICS_LABELSENTRY']._serialized_start=1740
+  _globals['_ENVOYMETRICS_LABELSENTRY']._serialized_end=1785
+  _globals['_ENVOYMETRICS_METRICSENTRY']._serialized_start=1787
+  _globals['_ENVOYMETRICS_METRICSENTRY']._serialized_end=1856
+  _globals['_SENTRYFLOW']._serialized_start=1859
+  _globals['_SENTRYFLOW']._serialized_end=2176
 # @@protoc_insertion_point(module_scope)
diff --git a/protobuf/python/sentryflow_pb2.pyi b/protobuf/python/sentryflow_pb2.pyi
index d069544..e72c830 100644
--- a/protobuf/python/sentryflow_pb2.pyi
+++ b/protobuf/python/sentryflow_pb2.pyi
@@ -129,7 +129,7 @@ class Request(_message.Message):
     def __init__(self, headers: _Optional[_Mapping[str, str]] = ..., body: _Optional[str] = ...) -> None: ...
 
 class Response(_message.Message):
-    __slots__ = ("headers", "body")
+    __slots__ = ("headers", "body", "backend_latency_in_nanos")
     class HeadersEntry(_message.Message):
         __slots__ = ("key", "value")
         KEY_FIELD_NUMBER: _ClassVar[int]
@@ -139,9 +139,11 @@ class Response(_message.Message):
         def __init__(self, key: _Optional[str] = ..., value: _Optional[str] = ...) -> None: ...
     HEADERS_FIELD_NUMBER: _ClassVar[int]
     BODY_FIELD_NUMBER: _ClassVar[int]
+    BACKEND_LATENCY_IN_NANOS_FIELD_NUMBER: _ClassVar[int]
     headers: _containers.ScalarMap[str, str]
     body: str
-    def __init__(self, headers: _Optional[_Mapping[str, str]] = ..., body: _Optional[str] = ...) -> None: ...
+    backend_latency_in_nanos: int
+    def __init__(self, headers: _Optional[_Mapping[str, str]] = ..., body: _Optional[str] = ..., backend_latency_in_nanos: _Optional[int] = ...) -> None: ...
 
 class APIMetrics(_message.Message):
     __slots__ = ("perAPICounts",)
diff --git a/protobuf/sentryflow.proto b/protobuf/sentryflow.proto
index d496147..c301fb3 100644
--- a/protobuf/sentryflow.proto
+++ b/protobuf/sentryflow.proto
@@ -92,6 +92,7 @@ message Request {
 message Response {
   map<string, string> headers = 1;
   string body = 2;
+  uint64 backend_latency_in_nanos = 3;
 }
 
 message APIMetrics {