diff --git a/internal/proto/plugin/v1/storage_plugin_service.proto b/internal/proto/plugin/v1/storage_plugin_service.proto
index 81cd308617..d3a62c6a4d 100644
--- a/internal/proto/plugin/v1/storage_plugin_service.proto
+++ b/internal/proto/plugin/v1/storage_plugin_service.proto
@@ -7,6 +7,7 @@ package plugin.v1;
 
 import "controller/api/resources/storagebuckets/v1/storage_bucket.proto";
 import "google/protobuf/struct.proto";
+import "google/protobuf/timestamp.proto";
 
 option go_package = "github.com/hashicorp/boundary/sdk/pbs/plugin;plugin";
 
@@ -24,6 +25,9 @@ service StoragePluginService {
   // deleted.
   rpc OnDeleteStorageBucket(OnDeleteStorageBucketRequest) returns (OnDeleteStorageBucketResponse);
 
+  // HeadObject is a hook that retrieves metadata about an object.
+  rpc HeadObject(HeadObjectRequest) returns (HeadObjectResponse);
+
   // GetObject is a hook that retrieves objects.
   rpc GetObject(GetObjectRequest) returns (stream GetObjectResponse);
 
@@ -72,6 +76,22 @@ message OnDeleteStorageBucketRequest {
 
 message OnDeleteStorageBucketResponse {}
 
+message HeadObjectRequest {
+  // Required. The existing state of the storage bucket.
+  controller.api.resources.storagebuckets.v1.StorageBucket bucket = 10;
+
+  // Required. The path of the object.
+  string key = 20;
+}
+
+message HeadObjectResponse {
+  // The size of the object in bytes.
+  int64 content_length = 10;
+
+  // Creation date of the object.
+  google.protobuf.Timestamp last_modified = 20;
+}
+
 message GetObjectRequest {
   // Required. The existing state of the storage bucket.
   controller.api.resources.storagebuckets.v1.StorageBucket bucket = 10;
diff --git a/sdk/pbs/plugin/storage_plugin_service.pb.go b/sdk/pbs/plugin/storage_plugin_service.pb.go
index 55408eefcf..cabf9f25cf 100644
--- a/sdk/pbs/plugin/storage_plugin_service.pb.go
+++ b/sdk/pbs/plugin/storage_plugin_service.pb.go
@@ -14,6 +14,7 @@ import (
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	structpb "google.golang.org/protobuf/types/known/structpb"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
 	reflect "reflect"
 	sync "sync"
 )
@@ -334,6 +335,120 @@ func (*OnDeleteStorageBucketResponse) Descriptor() ([]byte, []int) {
 	return file_plugin_v1_storage_plugin_service_proto_rawDescGZIP(), []int{5}
 }
 
+type HeadObjectRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The existing state of the storage bucket.
+	Bucket *storagebuckets.StorageBucket `protobuf:"bytes,10,opt,name=bucket,proto3" json:"bucket,omitempty"`
+	// Required. The path of the object.
+	Key string `protobuf:"bytes,20,opt,name=key,proto3" json:"key,omitempty"`
+}
+
+func (x *HeadObjectRequest) Reset() {
+	*x = HeadObjectRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *HeadObjectRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HeadObjectRequest) ProtoMessage() {}
+
+func (x *HeadObjectRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use HeadObjectRequest.ProtoReflect.Descriptor instead.
+func (*HeadObjectRequest) Descriptor() ([]byte, []int) {
+	return file_plugin_v1_storage_plugin_service_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *HeadObjectRequest) GetBucket() *storagebuckets.StorageBucket {
+	if x != nil {
+		return x.Bucket
+	}
+	return nil
+}
+
+func (x *HeadObjectRequest) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+type HeadObjectResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The size of the object in bytes.
+	ContentLength int64 `protobuf:"varint,10,opt,name=content_length,json=contentLength,proto3" json:"content_length,omitempty"`
+	// Creation date of the object.
+	LastModified *timestamppb.Timestamp `protobuf:"bytes,20,opt,name=last_modified,json=lastModified,proto3" json:"last_modified,omitempty"`
+}
+
+func (x *HeadObjectResponse) Reset() {
+	*x = HeadObjectResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *HeadObjectResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HeadObjectResponse) ProtoMessage() {}
+
+func (x *HeadObjectResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use HeadObjectResponse.ProtoReflect.Descriptor instead.
+func (*HeadObjectResponse) Descriptor() ([]byte, []int) {
+	return file_plugin_v1_storage_plugin_service_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *HeadObjectResponse) GetContentLength() int64 {
+	if x != nil {
+		return x.ContentLength
+	}
+	return 0
+}
+
+func (x *HeadObjectResponse) GetLastModified() *timestamppb.Timestamp {
+	if x != nil {
+		return x.LastModified
+	}
+	return nil
+}
+
 type GetObjectRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -348,7 +463,7 @@ type GetObjectRequest struct {
 func (x *GetObjectRequest) Reset() {
 	*x = GetObjectRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[6]
+		mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[8]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -361,7 +476,7 @@ func (x *GetObjectRequest) String() string {
 func (*GetObjectRequest) ProtoMessage() {}
 
 func (x *GetObjectRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[6]
+	mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[8]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -374,7 +489,7 @@ func (x *GetObjectRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetObjectRequest.ProtoReflect.Descriptor instead.
 func (*GetObjectRequest) Descriptor() ([]byte, []int) {
-	return file_plugin_v1_storage_plugin_service_proto_rawDescGZIP(), []int{6}
+	return file_plugin_v1_storage_plugin_service_proto_rawDescGZIP(), []int{8}
 }
 
 func (x *GetObjectRequest) GetBucket() *storagebuckets.StorageBucket {
@@ -403,7 +518,7 @@ type GetObjectResponse struct {
 func (x *GetObjectResponse) Reset() {
 	*x = GetObjectResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[7]
+		mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[9]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -416,7 +531,7 @@ func (x *GetObjectResponse) String() string {
 func (*GetObjectResponse) ProtoMessage() {}
 
 func (x *GetObjectResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[7]
+	mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[9]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -429,7 +544,7 @@ func (x *GetObjectResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetObjectResponse.ProtoReflect.Descriptor instead.
 func (*GetObjectResponse) Descriptor() ([]byte, []int) {
-	return file_plugin_v1_storage_plugin_service_proto_rawDescGZIP(), []int{7}
+	return file_plugin_v1_storage_plugin_service_proto_rawDescGZIP(), []int{9}
 }
 
 func (x *GetObjectResponse) GetFileChunk() []byte {
@@ -453,7 +568,7 @@ type PutObjectMetadata struct {
 func (x *PutObjectMetadata) Reset() {
 	*x = PutObjectMetadata{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[8]
+		mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[10]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -466,7 +581,7 @@ func (x *PutObjectMetadata) String() string {
 func (*PutObjectMetadata) ProtoMessage() {}
 
 func (x *PutObjectMetadata) ProtoReflect() protoreflect.Message {
-	mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[8]
+	mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[10]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -479,7 +594,7 @@ func (x *PutObjectMetadata) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use PutObjectMetadata.ProtoReflect.Descriptor instead.
 func (*PutObjectMetadata) Descriptor() ([]byte, []int) {
-	return file_plugin_v1_storage_plugin_service_proto_rawDescGZIP(), []int{8}
+	return file_plugin_v1_storage_plugin_service_proto_rawDescGZIP(), []int{10}
 }
 
 func (x *PutObjectMetadata) GetBucket() *storagebuckets.StorageBucket {
@@ -511,7 +626,7 @@ type PutObjectRequest struct {
 func (x *PutObjectRequest) Reset() {
 	*x = PutObjectRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[9]
+		mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[11]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -524,7 +639,7 @@ func (x *PutObjectRequest) String() string {
 func (*PutObjectRequest) ProtoMessage() {}
 
 func (x *PutObjectRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[9]
+	mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[11]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -537,7 +652,7 @@ func (x *PutObjectRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use PutObjectRequest.ProtoReflect.Descriptor instead.
 func (*PutObjectRequest) Descriptor() ([]byte, []int) {
-	return file_plugin_v1_storage_plugin_service_proto_rawDescGZIP(), []int{9}
+	return file_plugin_v1_storage_plugin_service_proto_rawDescGZIP(), []int{11}
 }
 
 func (m *PutObjectRequest) GetData() isPutObjectRequest_Data {
@@ -591,7 +706,7 @@ type PutObjectResponse struct {
 func (x *PutObjectResponse) Reset() {
 	*x = PutObjectResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[10]
+		mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[12]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -604,7 +719,7 @@ func (x *PutObjectResponse) String() string {
 func (*PutObjectResponse) ProtoMessage() {}
 
 func (x *PutObjectResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[10]
+	mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[12]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -617,7 +732,7 @@ func (x *PutObjectResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use PutObjectResponse.ProtoReflect.Descriptor instead.
 func (*PutObjectResponse) Descriptor() ([]byte, []int) {
-	return file_plugin_v1_storage_plugin_service_proto_rawDescGZIP(), []int{10}
+	return file_plugin_v1_storage_plugin_service_proto_rawDescGZIP(), []int{12}
 }
 
 func (x *PutObjectResponse) GetChecksumSha_256() []byte {
@@ -647,7 +762,7 @@ type StorageBucketPersisted struct {
 func (x *StorageBucketPersisted) Reset() {
 	*x = StorageBucketPersisted{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[11]
+		mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[13]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -660,7 +775,7 @@ func (x *StorageBucketPersisted) String() string {
 func (*StorageBucketPersisted) ProtoMessage() {}
 
 func (x *StorageBucketPersisted) ProtoReflect() protoreflect.Message {
-	mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[11]
+	mi := &file_plugin_v1_storage_plugin_service_proto_msgTypes[13]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -673,7 +788,7 @@ func (x *StorageBucketPersisted) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use StorageBucketPersisted.ProtoReflect.Descriptor instead.
 func (*StorageBucketPersisted) Descriptor() ([]byte, []int) {
-	return file_plugin_v1_storage_plugin_service_proto_rawDescGZIP(), []int{11}
+	return file_plugin_v1_storage_plugin_service_proto_rawDescGZIP(), []int{13}
 }
 
 func (x *StorageBucketPersisted) GetData() *structpb.Struct {
@@ -695,127 +810,149 @@ var file_plugin_v1_storage_plugin_service_proto_rawDesc = []byte{
 	0x73, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x5f, 0x62, 0x75, 0x63, 0x6b, 0x65, 0x74, 0x2e, 0x70,
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 }
 
 var (
@@ -830,7 +967,7 @@ func file_plugin_v1_storage_plugin_service_proto_rawDescGZIP() []byte {
 	return file_plugin_v1_storage_plugin_service_proto_rawDescData
 }
 
-var file_plugin_v1_storage_plugin_service_proto_msgTypes = make([]protoimpl.MessageInfo, 12)
+var file_plugin_v1_storage_plugin_service_proto_msgTypes = make([]protoimpl.MessageInfo, 14)
 var file_plugin_v1_storage_plugin_service_proto_goTypes = []interface{}{
 	(*OnCreateStorageBucketRequest)(nil),  // 0: plugin.v1.OnCreateStorageBucketRequest
 	(*OnCreateStorageBucketResponse)(nil), // 1: plugin.v1.OnCreateStorageBucketResponse
@@ -838,43 +975,50 @@ var file_plugin_v1_storage_plugin_service_proto_goTypes = []interface{}{
 	(*OnUpdateStorageBucketResponse)(nil), // 3: plugin.v1.OnUpdateStorageBucketResponse
 	(*OnDeleteStorageBucketRequest)(nil),  // 4: plugin.v1.OnDeleteStorageBucketRequest
 	(*OnDeleteStorageBucketResponse)(nil), // 5: plugin.v1.OnDeleteStorageBucketResponse
-	(*GetObjectRequest)(nil),              // 6: plugin.v1.GetObjectRequest
-	(*GetObjectResponse)(nil),             // 7: plugin.v1.GetObjectResponse
-	(*PutObjectMetadata)(nil),             // 8: plugin.v1.PutObjectMetadata
-	(*PutObjectRequest)(nil),              // 9: plugin.v1.PutObjectRequest
-	(*PutObjectResponse)(nil),             // 10: plugin.v1.PutObjectResponse
-	(*StorageBucketPersisted)(nil),        // 11: plugin.v1.StorageBucketPersisted
-	(*storagebuckets.StorageBucket)(nil),  // 12: controller.api.resources.storagebuckets.v1.StorageBucket
-	(*structpb.Struct)(nil),               // 13: google.protobuf.Struct
+	(*HeadObjectRequest)(nil),             // 6: plugin.v1.HeadObjectRequest
+	(*HeadObjectResponse)(nil),            // 7: plugin.v1.HeadObjectResponse
+	(*GetObjectRequest)(nil),              // 8: plugin.v1.GetObjectRequest
+	(*GetObjectResponse)(nil),             // 9: plugin.v1.GetObjectResponse
+	(*PutObjectMetadata)(nil),             // 10: plugin.v1.PutObjectMetadata
+	(*PutObjectRequest)(nil),              // 11: plugin.v1.PutObjectRequest
+	(*PutObjectResponse)(nil),             // 12: plugin.v1.PutObjectResponse
+	(*StorageBucketPersisted)(nil),        // 13: plugin.v1.StorageBucketPersisted
+	(*storagebuckets.StorageBucket)(nil),  // 14: controller.api.resources.storagebuckets.v1.StorageBucket
+	(*timestamppb.Timestamp)(nil),         // 15: google.protobuf.Timestamp
+	(*structpb.Struct)(nil),               // 16: google.protobuf.Struct
 }
 var file_plugin_v1_storage_plugin_service_proto_depIdxs = []int32{
-	12, // 0: plugin.v1.OnCreateStorageBucketRequest.bucket:type_name -> controller.api.resources.storagebuckets.v1.StorageBucket
-	11, // 1: plugin.v1.OnCreateStorageBucketResponse.persisted:type_name -> plugin.v1.StorageBucketPersisted
-	12, // 2: plugin.v1.OnUpdateStorageBucketRequest.current_bucket:type_name -> controller.api.resources.storagebuckets.v1.StorageBucket
-	12, // 3: plugin.v1.OnUpdateStorageBucketRequest.new_bucket:type_name -> controller.api.resources.storagebuckets.v1.StorageBucket
-	11, // 4: plugin.v1.OnUpdateStorageBucketRequest.persisted:type_name -> plugin.v1.StorageBucketPersisted
-	11, // 5: plugin.v1.OnUpdateStorageBucketResponse.persisted:type_name -> plugin.v1.StorageBucketPersisted
-	12, // 6: plugin.v1.OnDeleteStorageBucketRequest.bucket:type_name -> controller.api.resources.storagebuckets.v1.StorageBucket
-	11, // 7: plugin.v1.OnDeleteStorageBucketRequest.persisted:type_name -> plugin.v1.StorageBucketPersisted
-	12, // 8: plugin.v1.GetObjectRequest.bucket:type_name -> controller.api.resources.storagebuckets.v1.StorageBucket
-	12, // 9: plugin.v1.PutObjectMetadata.bucket:type_name -> controller.api.resources.storagebuckets.v1.StorageBucket
-	8,  // 10: plugin.v1.PutObjectRequest.request:type_name -> plugin.v1.PutObjectMetadata
-	13, // 11: plugin.v1.StorageBucketPersisted.data:type_name -> google.protobuf.Struct
-	0,  // 12: plugin.v1.StoragePluginService.OnCreateStorageBucket:input_type -> plugin.v1.OnCreateStorageBucketRequest
-	2,  // 13: plugin.v1.StoragePluginService.OnUpdateStorageBucket:input_type -> plugin.v1.OnUpdateStorageBucketRequest
-	4,  // 14: plugin.v1.StoragePluginService.OnDeleteStorageBucket:input_type -> plugin.v1.OnDeleteStorageBucketRequest
-	6,  // 15: plugin.v1.StoragePluginService.GetObject:input_type -> plugin.v1.GetObjectRequest
-	9,  // 16: plugin.v1.StoragePluginService.PutObject:input_type -> plugin.v1.PutObjectRequest
-	1,  // 17: plugin.v1.StoragePluginService.OnCreateStorageBucket:output_type -> plugin.v1.OnCreateStorageBucketResponse
-	3,  // 18: plugin.v1.StoragePluginService.OnUpdateStorageBucket:output_type -> plugin.v1.OnUpdateStorageBucketResponse
-	5,  // 19: plugin.v1.StoragePluginService.OnDeleteStorageBucket:output_type -> plugin.v1.OnDeleteStorageBucketResponse
-	7,  // 20: plugin.v1.StoragePluginService.GetObject:output_type -> plugin.v1.GetObjectResponse
-	10, // 21: plugin.v1.StoragePluginService.PutObject:output_type -> plugin.v1.PutObjectResponse
-	17, // [17:22] is the sub-list for method output_type
-	12, // [12:17] is the sub-list for method input_type
-	12, // [12:12] is the sub-list for extension type_name
-	12, // [12:12] is the sub-list for extension extendee
-	0,  // [0:12] is the sub-list for field type_name
+	14, // 0: plugin.v1.OnCreateStorageBucketRequest.bucket:type_name -> controller.api.resources.storagebuckets.v1.StorageBucket
+	13, // 1: plugin.v1.OnCreateStorageBucketResponse.persisted:type_name -> plugin.v1.StorageBucketPersisted
+	14, // 2: plugin.v1.OnUpdateStorageBucketRequest.current_bucket:type_name -> controller.api.resources.storagebuckets.v1.StorageBucket
+	14, // 3: plugin.v1.OnUpdateStorageBucketRequest.new_bucket:type_name -> controller.api.resources.storagebuckets.v1.StorageBucket
+	13, // 4: plugin.v1.OnUpdateStorageBucketRequest.persisted:type_name -> plugin.v1.StorageBucketPersisted
+	13, // 5: plugin.v1.OnUpdateStorageBucketResponse.persisted:type_name -> plugin.v1.StorageBucketPersisted
+	14, // 6: plugin.v1.OnDeleteStorageBucketRequest.bucket:type_name -> controller.api.resources.storagebuckets.v1.StorageBucket
+	13, // 7: plugin.v1.OnDeleteStorageBucketRequest.persisted:type_name -> plugin.v1.StorageBucketPersisted
+	14, // 8: plugin.v1.HeadObjectRequest.bucket:type_name -> controller.api.resources.storagebuckets.v1.StorageBucket
+	15, // 9: plugin.v1.HeadObjectResponse.last_modified:type_name -> google.protobuf.Timestamp
+	14, // 10: plugin.v1.GetObjectRequest.bucket:type_name -> controller.api.resources.storagebuckets.v1.StorageBucket
+	14, // 11: plugin.v1.PutObjectMetadata.bucket:type_name -> controller.api.resources.storagebuckets.v1.StorageBucket
+	10, // 12: plugin.v1.PutObjectRequest.request:type_name -> plugin.v1.PutObjectMetadata
+	16, // 13: plugin.v1.StorageBucketPersisted.data:type_name -> google.protobuf.Struct
+	0,  // 14: plugin.v1.StoragePluginService.OnCreateStorageBucket:input_type -> plugin.v1.OnCreateStorageBucketRequest
+	2,  // 15: plugin.v1.StoragePluginService.OnUpdateStorageBucket:input_type -> plugin.v1.OnUpdateStorageBucketRequest
+	4,  // 16: plugin.v1.StoragePluginService.OnDeleteStorageBucket:input_type -> plugin.v1.OnDeleteStorageBucketRequest
+	6,  // 17: plugin.v1.StoragePluginService.HeadObject:input_type -> plugin.v1.HeadObjectRequest
+	8,  // 18: plugin.v1.StoragePluginService.GetObject:input_type -> plugin.v1.GetObjectRequest
+	11, // 19: plugin.v1.StoragePluginService.PutObject:input_type -> plugin.v1.PutObjectRequest
+	1,  // 20: plugin.v1.StoragePluginService.OnCreateStorageBucket:output_type -> plugin.v1.OnCreateStorageBucketResponse
+	3,  // 21: plugin.v1.StoragePluginService.OnUpdateStorageBucket:output_type -> plugin.v1.OnUpdateStorageBucketResponse
+	5,  // 22: plugin.v1.StoragePluginService.OnDeleteStorageBucket:output_type -> plugin.v1.OnDeleteStorageBucketResponse
+	7,  // 23: plugin.v1.StoragePluginService.HeadObject:output_type -> plugin.v1.HeadObjectResponse
+	9,  // 24: plugin.v1.StoragePluginService.GetObject:output_type -> plugin.v1.GetObjectResponse
+	12, // 25: plugin.v1.StoragePluginService.PutObject:output_type -> plugin.v1.PutObjectResponse
+	20, // [20:26] is the sub-list for method output_type
+	14, // [14:20] is the sub-list for method input_type
+	14, // [14:14] is the sub-list for extension type_name
+	14, // [14:14] is the sub-list for extension extendee
+	0,  // [0:14] is the sub-list for field type_name
 }
 
 func init() { file_plugin_v1_storage_plugin_service_proto_init() }
@@ -956,7 +1100,7 @@ func file_plugin_v1_storage_plugin_service_proto_init() {
 			}
 		}
 		file_plugin_v1_storage_plugin_service_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetObjectRequest); i {
+			switch v := v.(*HeadObjectRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -968,7 +1112,7 @@ func file_plugin_v1_storage_plugin_service_proto_init() {
 			}
 		}
 		file_plugin_v1_storage_plugin_service_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetObjectResponse); i {
+			switch v := v.(*HeadObjectResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -980,7 +1124,7 @@ func file_plugin_v1_storage_plugin_service_proto_init() {
 			}
 		}
 		file_plugin_v1_storage_plugin_service_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*PutObjectMetadata); i {
+			switch v := v.(*GetObjectRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -992,7 +1136,7 @@ func file_plugin_v1_storage_plugin_service_proto_init() {
 			}
 		}
 		file_plugin_v1_storage_plugin_service_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*PutObjectRequest); i {
+			switch v := v.(*GetObjectResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1004,7 +1148,7 @@ func file_plugin_v1_storage_plugin_service_proto_init() {
 			}
 		}
 		file_plugin_v1_storage_plugin_service_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*PutObjectResponse); i {
+			switch v := v.(*PutObjectMetadata); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1016,6 +1160,30 @@ func file_plugin_v1_storage_plugin_service_proto_init() {
 			}
 		}
 		file_plugin_v1_storage_plugin_service_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*PutObjectRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_plugin_v1_storage_plugin_service_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*PutObjectResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_plugin_v1_storage_plugin_service_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*StorageBucketPersisted); i {
 			case 0:
 				return &v.state
@@ -1028,7 +1196,7 @@ func file_plugin_v1_storage_plugin_service_proto_init() {
 			}
 		}
 	}
-	file_plugin_v1_storage_plugin_service_proto_msgTypes[9].OneofWrappers = []interface{}{
+	file_plugin_v1_storage_plugin_service_proto_msgTypes[11].OneofWrappers = []interface{}{
 		(*PutObjectRequest_FileChunk)(nil),
 		(*PutObjectRequest_Request)(nil),
 	}
@@ -1038,7 +1206,7 @@ func file_plugin_v1_storage_plugin_service_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_plugin_v1_storage_plugin_service_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   12,
+			NumMessages:   14,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/sdk/pbs/plugin/storage_plugin_service_grpc.pb.go b/sdk/pbs/plugin/storage_plugin_service_grpc.pb.go
index 4618744b63..e96cd74d96 100644
--- a/sdk/pbs/plugin/storage_plugin_service_grpc.pb.go
+++ b/sdk/pbs/plugin/storage_plugin_service_grpc.pb.go
@@ -27,6 +27,8 @@ type StoragePluginServiceClient interface {
 	// OnDeleteStorageBucket is a hook that runs when a storage bucket is
 	// deleted.
 	OnDeleteStorageBucket(ctx context.Context, in *OnDeleteStorageBucketRequest, opts ...grpc.CallOption) (*OnDeleteStorageBucketResponse, error)
+	// HeadObject is a hook that retrieves metadata about an object.
+	HeadObject(ctx context.Context, in *HeadObjectRequest, opts ...grpc.CallOption) (*HeadObjectResponse, error)
 	// GetObject is a hook that retrieves objects.
 	GetObject(ctx context.Context, in *GetObjectRequest, opts ...grpc.CallOption) (StoragePluginService_GetObjectClient, error)
 	// PutObject is a hook that streams chunks of a file to be stored
@@ -69,6 +71,15 @@ func (c *storagePluginServiceClient) OnDeleteStorageBucket(ctx context.Context,
 	return out, nil
 }
 
+func (c *storagePluginServiceClient) HeadObject(ctx context.Context, in *HeadObjectRequest, opts ...grpc.CallOption) (*HeadObjectResponse, error) {
+	out := new(HeadObjectResponse)
+	err := c.cc.Invoke(ctx, "/plugin.v1.StoragePluginService/HeadObject", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *storagePluginServiceClient) GetObject(ctx context.Context, in *GetObjectRequest, opts ...grpc.CallOption) (StoragePluginService_GetObjectClient, error) {
 	stream, err := c.cc.NewStream(ctx, &StoragePluginService_ServiceDesc.Streams[0], "/plugin.v1.StoragePluginService/GetObject", opts...)
 	if err != nil {
@@ -148,6 +159,8 @@ type StoragePluginServiceServer interface {
 	// OnDeleteStorageBucket is a hook that runs when a storage bucket is
 	// deleted.
 	OnDeleteStorageBucket(context.Context, *OnDeleteStorageBucketRequest) (*OnDeleteStorageBucketResponse, error)
+	// HeadObject is a hook that retrieves metadata about an object.
+	HeadObject(context.Context, *HeadObjectRequest) (*HeadObjectResponse, error)
 	// GetObject is a hook that retrieves objects.
 	GetObject(*GetObjectRequest, StoragePluginService_GetObjectServer) error
 	// PutObject is a hook that streams chunks of a file to be stored
@@ -169,6 +182,9 @@ func (UnimplementedStoragePluginServiceServer) OnUpdateStorageBucket(context.Con
 func (UnimplementedStoragePluginServiceServer) OnDeleteStorageBucket(context.Context, *OnDeleteStorageBucketRequest) (*OnDeleteStorageBucketResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method OnDeleteStorageBucket not implemented")
 }
+func (UnimplementedStoragePluginServiceServer) HeadObject(context.Context, *HeadObjectRequest) (*HeadObjectResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method HeadObject not implemented")
+}
 func (UnimplementedStoragePluginServiceServer) GetObject(*GetObjectRequest, StoragePluginService_GetObjectServer) error {
 	return status.Errorf(codes.Unimplemented, "method GetObject not implemented")
 }
@@ -242,6 +258,24 @@ func _StoragePluginService_OnDeleteStorageBucket_Handler(srv interface{}, ctx co
 	return interceptor(ctx, in, info, handler)
 }
 
+func _StoragePluginService_HeadObject_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(HeadObjectRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(StoragePluginServiceServer).HeadObject(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/plugin.v1.StoragePluginService/HeadObject",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(StoragePluginServiceServer).HeadObject(ctx, req.(*HeadObjectRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _StoragePluginService_GetObject_Handler(srv interface{}, stream grpc.ServerStream) error {
 	m := new(GetObjectRequest)
 	if err := stream.RecvMsg(m); err != nil {
@@ -308,6 +342,10 @@ var StoragePluginService_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "OnDeleteStorageBucket",
 			Handler:    _StoragePluginService_OnDeleteStorageBucket_Handler,
 		},
+		{
+			MethodName: "HeadObject",
+			Handler:    _StoragePluginService_HeadObject_Handler,
+		},
 	},
 	Streams: []grpc.StreamDesc{
 		{