diff --git a/internal/gateway/proxy/proxy.go b/internal/gateway/proxy/proxy.go
index fffdf18c5..a9f2b87c3 100644
--- a/internal/gateway/proxy/proxy.go
+++ b/internal/gateway/proxy/proxy.go
@@ -18,22 +18,26 @@ import (
 	"context"
 	"encoding/base64"
 	"encoding/binary"
-	"errors"
 	"fmt"
 	"net"
 	"runtime/debug"
 	"sync"
 
+	v2 "github.com/cloudevents/sdk-go/v2"
 	recovery "github.com/grpc-ecosystem/go-grpc-middleware/recovery"
 	eb "github.com/linkall-labs/vanus/client"
 	"github.com/linkall-labs/vanus/client/pkg/api"
 	"github.com/linkall-labs/vanus/client/pkg/option"
 	"github.com/linkall-labs/vanus/client/pkg/policy"
+	"github.com/linkall-labs/vanus/internal/convert"
 	"github.com/linkall-labs/vanus/internal/primitive/interceptor/errinterceptor"
 	"github.com/linkall-labs/vanus/internal/primitive/vanus"
+	"github.com/linkall-labs/vanus/internal/trigger/filter"
+	"github.com/linkall-labs/vanus/internal/trigger/transform"
 	"github.com/linkall-labs/vanus/observability/log"
 	"github.com/linkall-labs/vanus/observability/tracing"
 	"github.com/linkall-labs/vanus/pkg/cluster"
+	"github.com/linkall-labs/vanus/pkg/errors"
 	ctrlpb "github.com/linkall-labs/vanus/proto/pkg/controller"
 	proxypb "github.com/linkall-labs/vanus/proto/pkg/proxy"
 	"go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc"
@@ -231,6 +235,57 @@ func (cp *ControllerProxy) GetEvent(ctx context.Context,
 	}, nil
 }
 
+func (cp *ControllerProxy) ValidateSubscription(ctx context.Context,
+	req *proxypb.ValidateSubscriptionRequest) (*proxypb.ValidateSubscriptionResponse, error) {
+	if req.GetEvent() == nil {
+		res, err := cp.GetEvent(ctx, &proxypb.GetEventRequest{
+			Eventbus:   req.Eventbus,
+			EventlogId: req.Eventlog,
+			Offset:     req.Offset,
+			Number:     1,
+		})
+		if err != nil {
+			return nil, err
+		}
+		req.Event = res.GetEvents()[0].Value
+	}
+
+	e := v2.NewEvent()
+	if err := e.UnmarshalJSON(req.GetEvent()); err != nil {
+		return nil, errors.ErrInvalidRequest.WithMessage("failed to unmarshall event to CloudEvent").Wrap(err)
+	}
+
+	if req.GetSubscription() == nil {
+		sub, err := cp.GetSubscription(ctx, &ctrlpb.GetSubscriptionRequest{Id: req.SubscriptionId})
+		if err != nil {
+			return nil, err
+		}
+		req.Subscription = &ctrlpb.SubscriptionRequest{
+			Filters:     sub.Filters,
+			Transformer: sub.Transformer,
+		}
+	}
+
+	sub := convert.FromPbSubscriptionRequest(req.Subscription)
+	res := &proxypb.ValidateSubscriptionResponse{}
+	f := filter.GetFilter(sub.Filters)
+	r := f.Filter(e)
+	if !r {
+		return res, nil
+	}
+
+	res.FilterResult = true
+	t := transform.NewTransformer(sub.Transformer)
+	if t != nil {
+		if err := t.Execute(&e); err != nil {
+			return nil, errors.ErrTransformInputParse.Wrap(err)
+		}
+	}
+	data, _ := e.MarshalJSON()
+	res.TransformerResult = data
+	return res, nil
+}
+
 // getByEventID why added this? can it be deleted?
 func (cp *ControllerProxy) getByEventID(ctx context.Context,
 	req *proxypb.GetEventRequest) (*proxypb.GetEventResponse, error) {
diff --git a/internal/gateway/proxy/proxy_test.go b/internal/gateway/proxy/proxy_test.go
index 72ad0b400..1d2a983c8 100644
--- a/internal/gateway/proxy/proxy_test.go
+++ b/internal/gateway/proxy/proxy_test.go
@@ -18,6 +18,7 @@ import (
 	stdCtx "context"
 	"encoding/base64"
 	"encoding/binary"
+	stdJson "encoding/json"
 	"fmt"
 	"testing"
 
@@ -26,9 +27,14 @@ import (
 	"github.com/linkall-labs/vanus/client"
 	"github.com/linkall-labs/vanus/client/pkg/api"
 	"github.com/linkall-labs/vanus/client/pkg/policy"
+	"github.com/linkall-labs/vanus/internal/convert"
+	"github.com/linkall-labs/vanus/internal/primitive"
 	"github.com/linkall-labs/vanus/internal/primitive/vanus"
+	ctrlpb "github.com/linkall-labs/vanus/proto/pkg/controller"
+	metapb "github.com/linkall-labs/vanus/proto/pkg/meta"
 	proxypb "github.com/linkall-labs/vanus/proto/pkg/proxy"
 	. "github.com/smartystreets/goconvey/convey"
+	"github.com/tidwall/gjson"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/protobuf/types/known/emptypb"
@@ -250,3 +256,129 @@ func TestControllerProxy_LookLookupOffset(t *testing.T) {
 
 	})
 }
+
+func TestControllerProxy_ValidateSubscription(t *testing.T) {
+	Convey("test ValidateSubscription", t, func() {
+		cp := NewControllerProxy(Config{
+			Endpoints: []string{"127.0.0.1:20001",
+				"127.0.0.1:20002", "127.0.0.1:20003"},
+			CloudEventReceiverPort: 18080,
+			ProxyPort:              18082,
+			Credentials:            insecure.NewCredentials(),
+		})
+
+		data := `{
+    "id":"13b719a4-ada9-436a-9fb1-fc2bc82dc647",
+    "source":"prometheus",
+    "specversion":"1.0",
+    "type":"naive-http-request",
+    "datacontenttype":"application/json",
+    "subject":"operator",
+    "time":"2022-12-12T08:31:54.936803649Z",
+    "data":{"body":{"alerts":[{"annotations":{"feishuUrls":[{"URL":"https://open.feishu.cn/open-apis/bot/v2/hook/xxxxx",
+"signature":"yyyy"},{"URL":"https://open.feishu.cn/open-apis/bot/v2/hook/yyyyy","signature":""},
+{"URL":"https://open.feishu.cn/open-apis/bot/v2/hook/zzzzz","signature":"zzzz"}]},
+"labels":{"forward":"test-server","severity":"P1"},"startsAt":"2022-12-12T07:55:24.893471163Z","status":"resolved"}],
+"commonLabels":{"cluster":"test","forward":"test-server","groups":"test-bot","severity":"P1"}},
+"headers":{"Content-Type":"application/json","Host":"webhook-source.vanus:80","User-Agent":"Alertmanager/0.24.0"},
+"method":"POST","query_args":{"source":"prometheus","subject":"operator"}}
+}`
+		e := v2.NewEvent()
+		_ = e.UnmarshalJSON([]byte(data))
+
+		trans := `{"pipeline":[{"command":["create","$.xvfeishuservice","bot"]},{"command":["create",
+				"$.xvfeishumsgtype","interactive"]},{"command":["join","$.xvfeishuboturls",",",
+				"$.data.body.alerts[0].annotations.feishuUrls[:].URL"]},{"command":["join",
+				"$.xvfeishubotsigns",",","$.data.body.alerts[0].annotations.feishuUrls[:].signature"]}]}`
+		var _transformer *primitive.Transformer
+		_ = stdJson.Unmarshal([]byte(trans), &_transformer)
+		transPb := convert.ToPbTransformer(_transformer)
+		s := &ctrlpb.SubscriptionRequest{
+			Filters: []*metapb.Filter{
+				{
+					Exact: map[string]string{
+						"source": "test",
+					},
+				},
+			},
+			Transformer: transPb,
+		}
+		Convey("test with event and subscription", func() {
+			ctx := stdCtx.Background()
+			res, err := cp.ValidateSubscription(ctx, &proxypb.ValidateSubscriptionRequest{
+				Event:        []byte(data),
+				Subscription: s,
+			})
+			So(err, ShouldBeNil)
+			So(res.FilterResult, ShouldBeFalse)
+
+			s.Filters = []*metapb.Filter{
+				{
+					Exact: map[string]string{
+						"source": "prometheus",
+					},
+				},
+			}
+			res, err = cp.ValidateSubscription(ctx, &proxypb.ValidateSubscriptionRequest{
+				Event:        []byte(data),
+				Subscription: s,
+			})
+			So(err, ShouldBeNil)
+			So(res.FilterResult, ShouldBeTrue)
+			result := gjson.ParseBytes(res.TransformerResult)
+			urls := "https://open.feishu.cn/open-apis/bot/v2/hook/xxxxx,https://open" +
+				".feishu.cn/open-apis/bot/v2/hook/yyyyy,https://open.feishu.cn/open-apis/bot/v2/hook/zzzzz"
+			So(result.Get("xvfeishumsgtype").String(), ShouldEqual, "interactive")
+			So(result.Get("xvfeishuboturls").String(), ShouldEqual, urls)
+			So(result.Get("xvfeishubotsigns").String(), ShouldEqual, "yyyy,,zzzz")
+			So(result.Get("xvfeishuservice").String(), ShouldEqual, "bot")
+		})
+
+		ctrl := gomock.NewController(t)
+		cli := client.NewMockClient(ctrl)
+		cp.client = cli
+		eb := api.NewMockEventbus(ctrl)
+		mockTriggerCtrl := ctrlpb.NewMockTriggerControllerClient(ctrl)
+		cp.triggerCtrl = mockTriggerCtrl
+		Convey("test with eventlog, offset and subscriptionID", func() {
+			ctx := stdCtx.Background()
+
+			// mock eventbus
+			cli.EXPECT().Eventbus(gomock.Any(), gomock.Any()).Times(2).Return(eb)
+			eb.EXPECT().ListLog(gomock.Any()).Times(1).Return([]api.Eventlog{nil}, nil)
+			rd := api.NewMockBusReader(ctrl)
+			eb.EXPECT().Reader(gomock.Any(), gomock.Any(), gomock.Any()).Times(1).Return(rd)
+			rd.EXPECT().Read(gomock.Any()).Times(1).Return([]*v2.Event{&e}, int64(0), uint64(0), nil)
+
+			// mock subscription
+			pb := &metapb.Subscription{
+				Filters: []*metapb.Filter{
+					{
+						Exact: map[string]string{
+							"source": "prometheus",
+						},
+					},
+				},
+				Transformer: s.Transformer,
+			}
+			mockTriggerCtrl.EXPECT().GetSubscription(ctx, gomock.Any()).Times(1).Return(pb, nil)
+
+			res, err := cp.ValidateSubscription(ctx, &proxypb.ValidateSubscriptionRequest{
+				SubscriptionId: vanus.NewTestID().Uint64(),
+				Eventbus:       "test",
+				Eventlog:       vanus.NewTestID().Uint64(),
+				Offset:         123,
+			})
+
+			So(err, ShouldBeNil)
+			So(res.FilterResult, ShouldBeTrue)
+			result := gjson.ParseBytes(res.TransformerResult)
+			urls := "https://open.feishu.cn/open-apis/bot/v2/hook/xxxxx,https://open" +
+				".feishu.cn/open-apis/bot/v2/hook/yyyyy,https://open.feishu.cn/open-apis/bot/v2/hook/zzzzz"
+			So(result.Get("xvfeishumsgtype").String(), ShouldEqual, "interactive")
+			So(result.Get("xvfeishuboturls").String(), ShouldEqual, urls)
+			So(result.Get("xvfeishubotsigns").String(), ShouldEqual, "yyyy,,zzzz")
+			So(result.Get("xvfeishuservice").String(), ShouldEqual, "bot")
+		})
+	})
+}
diff --git a/proto/pkg/proxy/proxy.pb.go b/proto/pkg/proxy/proxy.pb.go
index 020f05548..051d394b4 100644
--- a/proto/pkg/proxy/proxy.pb.go
+++ b/proto/pkg/proxy/proxy.pb.go
@@ -333,6 +333,148 @@ func (x *ClusterInfoResponse) GetProxyPort() int64 {
 	return 0
 }
 
+type ValidateSubscriptionRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Eventbus       string                          `protobuf:"bytes,1,opt,name=eventbus,proto3" json:"eventbus,omitempty"`
+	Eventlog       uint64                          `protobuf:"varint,2,opt,name=eventlog,proto3" json:"eventlog,omitempty"`
+	Offset         int64                           `protobuf:"varint,3,opt,name=offset,proto3" json:"offset,omitempty"`
+	SubscriptionId uint64                          `protobuf:"varint,4,opt,name=subscription_id,json=subscriptionId,proto3" json:"subscription_id,omitempty"`
+	Event          []byte                          `protobuf:"bytes,100,opt,name=event,proto3" json:"event,omitempty"`
+	Subscription   *controller.SubscriptionRequest `protobuf:"bytes,101,opt,name=subscription,proto3" json:"subscription,omitempty"`
+}
+
+func (x *ValidateSubscriptionRequest) Reset() {
+	*x = ValidateSubscriptionRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proxy_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ValidateSubscriptionRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ValidateSubscriptionRequest) ProtoMessage() {}
+
+func (x *ValidateSubscriptionRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_proxy_proto_msgTypes[5]
+	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 ValidateSubscriptionRequest.ProtoReflect.Descriptor instead.
+func (*ValidateSubscriptionRequest) Descriptor() ([]byte, []int) {
+	return file_proxy_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *ValidateSubscriptionRequest) GetEventbus() string {
+	if x != nil {
+		return x.Eventbus
+	}
+	return ""
+}
+
+func (x *ValidateSubscriptionRequest) GetEventlog() uint64 {
+	if x != nil {
+		return x.Eventlog
+	}
+	return 0
+}
+
+func (x *ValidateSubscriptionRequest) GetOffset() int64 {
+	if x != nil {
+		return x.Offset
+	}
+	return 0
+}
+
+func (x *ValidateSubscriptionRequest) GetSubscriptionId() uint64 {
+	if x != nil {
+		return x.SubscriptionId
+	}
+	return 0
+}
+
+func (x *ValidateSubscriptionRequest) GetEvent() []byte {
+	if x != nil {
+		return x.Event
+	}
+	return nil
+}
+
+func (x *ValidateSubscriptionRequest) GetSubscription() *controller.SubscriptionRequest {
+	if x != nil {
+		return x.Subscription
+	}
+	return nil
+}
+
+type ValidateSubscriptionResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	FilterResult      bool   `protobuf:"varint,1,opt,name=filter_result,json=filterResult,proto3" json:"filter_result,omitempty"`
+	TransformerResult []byte `protobuf:"bytes,2,opt,name=transformer_result,json=transformerResult,proto3" json:"transformer_result,omitempty"`
+}
+
+func (x *ValidateSubscriptionResponse) Reset() {
+	*x = ValidateSubscriptionResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proxy_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ValidateSubscriptionResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ValidateSubscriptionResponse) ProtoMessage() {}
+
+func (x *ValidateSubscriptionResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_proxy_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 ValidateSubscriptionResponse.ProtoReflect.Descriptor instead.
+func (*ValidateSubscriptionResponse) Descriptor() ([]byte, []int) {
+	return file_proxy_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *ValidateSubscriptionResponse) GetFilterResult() bool {
+	if x != nil {
+		return x.FilterResult
+	}
+	return false
+}
+
+func (x *ValidateSubscriptionResponse) GetTransformerResult() []byte {
+	if x != nil {
+		return x.TransformerResult
+	}
+	return nil
+}
+
 var File_proxy_proto protoreflect.FileDescriptor
 
 var file_proxy_proto_rawDesc = []byte{
@@ -381,95 +523,126 @@ var file_proxy_proto_rawDesc = []byte{
 	0x73, 0x5f, 0x70, 0x6f, 0x72, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x03, 0x52, 0x0f, 0x63, 0x6c,
 	0x6f, 0x75, 0x64, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x73, 0x50, 0x6f, 0x72, 0x74, 0x12, 0x1d, 0x0a,
 	0x0a, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x5f, 0x70, 0x6f, 0x72, 0x74, 0x18, 0x02, 0x20, 0x01, 0x28,
-	0x03, 0x52, 0x09, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x50, 0x6f, 0x72, 0x74, 0x32, 0xbd, 0x0a, 0x0a,
-	0x0f, 0x43, 0x6f, 0x6e, 0x74, 0x72, 0x6f, 0x6c, 0x6c, 0x65, 0x72, 0x50, 0x72, 0x6f, 0x78, 0x79,
-	0x12, 0x5f, 0x0a, 0x0e, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x45, 0x76, 0x65, 0x6e, 0x74, 0x42,
-	0x75, 0x73, 0x12, 0x2f, 0x2e, 0x6c, 0x69, 0x6e, 0x6b, 0x61, 0x6c, 0x6c, 0x2e, 0x76, 0x61, 0x6e,
-	0x75, 0x73, 0x2e, 0x63, 0x6f, 0x6e, 0x74, 0x72, 0x6f, 0x6c, 0x6c, 0x65, 0x72, 0x2e, 0x43, 0x72,
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-	0x55, 0x70, 0x64, 0x61, 0x74, 0x65, 0x45, 0x76, 0x65, 0x6e, 0x74, 0x42, 0x75, 0x73, 0x12, 0x2f,
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+	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -484,65 +657,71 @@ func file_proxy_proto_rawDescGZIP() []byte {
 	return file_proxy_proto_rawDescData
 }
 
-var file_proxy_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
+var file_proxy_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
 var file_proxy_proto_goTypes = []interface{}{
 	(*LookupOffsetRequest)(nil),                  // 0: linkall.vanus.proxy.LookupOffsetRequest
 	(*LookupOffsetResponse)(nil),                 // 1: linkall.vanus.proxy.LookupOffsetResponse
 	(*GetEventRequest)(nil),                      // 2: linkall.vanus.proxy.GetEventRequest
 	(*GetEventResponse)(nil),                     // 3: linkall.vanus.proxy.GetEventResponse
 	(*ClusterInfoResponse)(nil),                  // 4: linkall.vanus.proxy.ClusterInfoResponse
-	nil,                                          // 5: linkall.vanus.proxy.LookupOffsetResponse.OffsetsEntry
-	(*wrapperspb.BytesValue)(nil),                // 6: google.protobuf.BytesValue
-	(*controller.CreateEventBusRequest)(nil),     // 7: linkall.vanus.controller.CreateEventBusRequest
-	(*meta.EventBus)(nil),                        // 8: linkall.vanus.meta.EventBus
-	(*emptypb.Empty)(nil),                        // 9: google.protobuf.Empty
-	(*controller.UpdateEventBusRequest)(nil),     // 10: linkall.vanus.controller.UpdateEventBusRequest
-	(*controller.ListSegmentRequest)(nil),        // 11: linkall.vanus.controller.ListSegmentRequest
-	(*controller.CreateSubscriptionRequest)(nil), // 12: linkall.vanus.controller.CreateSubscriptionRequest
-	(*controller.UpdateSubscriptionRequest)(nil), // 13: linkall.vanus.controller.UpdateSubscriptionRequest
-	(*controller.DeleteSubscriptionRequest)(nil), // 14: linkall.vanus.controller.DeleteSubscriptionRequest
-	(*controller.GetSubscriptionRequest)(nil),    // 15: linkall.vanus.controller.GetSubscriptionRequest
-	(*controller.ListEventbusResponse)(nil),      // 16: linkall.vanus.controller.ListEventbusResponse
-	(*controller.ListSegmentResponse)(nil),       // 17: linkall.vanus.controller.ListSegmentResponse
-	(*meta.Subscription)(nil),                    // 18: linkall.vanus.meta.Subscription
-	(*controller.ListSubscriptionResponse)(nil),  // 19: linkall.vanus.controller.ListSubscriptionResponse
+	(*ValidateSubscriptionRequest)(nil),          // 5: linkall.vanus.proxy.ValidateSubscriptionRequest
+	(*ValidateSubscriptionResponse)(nil),         // 6: linkall.vanus.proxy.ValidateSubscriptionResponse
+	nil,                                          // 7: linkall.vanus.proxy.LookupOffsetResponse.OffsetsEntry
+	(*wrapperspb.BytesValue)(nil),                // 8: google.protobuf.BytesValue
+	(*controller.SubscriptionRequest)(nil),       // 9: linkall.vanus.controller.SubscriptionRequest
+	(*controller.CreateEventBusRequest)(nil),     // 10: linkall.vanus.controller.CreateEventBusRequest
+	(*meta.EventBus)(nil),                        // 11: linkall.vanus.meta.EventBus
+	(*emptypb.Empty)(nil),                        // 12: google.protobuf.Empty
+	(*controller.UpdateEventBusRequest)(nil),     // 13: linkall.vanus.controller.UpdateEventBusRequest
+	(*controller.ListSegmentRequest)(nil),        // 14: linkall.vanus.controller.ListSegmentRequest
+	(*controller.CreateSubscriptionRequest)(nil), // 15: linkall.vanus.controller.CreateSubscriptionRequest
+	(*controller.UpdateSubscriptionRequest)(nil), // 16: linkall.vanus.controller.UpdateSubscriptionRequest
+	(*controller.DeleteSubscriptionRequest)(nil), // 17: linkall.vanus.controller.DeleteSubscriptionRequest
+	(*controller.GetSubscriptionRequest)(nil),    // 18: linkall.vanus.controller.GetSubscriptionRequest
+	(*controller.ListEventbusResponse)(nil),      // 19: linkall.vanus.controller.ListEventbusResponse
+	(*controller.ListSegmentResponse)(nil),       // 20: linkall.vanus.controller.ListSegmentResponse
+	(*meta.Subscription)(nil),                    // 21: linkall.vanus.meta.Subscription
+	(*controller.ListSubscriptionResponse)(nil),  // 22: linkall.vanus.controller.ListSubscriptionResponse
 }
 var file_proxy_proto_depIdxs = []int32{
-	5,  // 0: linkall.vanus.proxy.LookupOffsetResponse.offsets:type_name -> linkall.vanus.proxy.LookupOffsetResponse.OffsetsEntry
-	6,  // 1: linkall.vanus.proxy.GetEventResponse.events:type_name -> google.protobuf.BytesValue
-	7,  // 2: linkall.vanus.proxy.ControllerProxy.CreateEventBus:input_type -> linkall.vanus.controller.CreateEventBusRequest
-	8,  // 3: linkall.vanus.proxy.ControllerProxy.DeleteEventBus:input_type -> linkall.vanus.meta.EventBus
-	8,  // 4: linkall.vanus.proxy.ControllerProxy.GetEventBus:input_type -> linkall.vanus.meta.EventBus
-	9,  // 5: linkall.vanus.proxy.ControllerProxy.ListEventBus:input_type -> google.protobuf.Empty
-	10, // 6: linkall.vanus.proxy.ControllerProxy.UpdateEventBus:input_type -> linkall.vanus.controller.UpdateEventBusRequest
-	11, // 7: linkall.vanus.proxy.ControllerProxy.ListSegment:input_type -> linkall.vanus.controller.ListSegmentRequest
-	12, // 8: linkall.vanus.proxy.ControllerProxy.CreateSubscription:input_type -> linkall.vanus.controller.CreateSubscriptionRequest
-	13, // 9: linkall.vanus.proxy.ControllerProxy.UpdateSubscription:input_type -> linkall.vanus.controller.UpdateSubscriptionRequest
-	14, // 10: linkall.vanus.proxy.ControllerProxy.DeleteSubscription:input_type -> linkall.vanus.controller.DeleteSubscriptionRequest
-	15, // 11: linkall.vanus.proxy.ControllerProxy.GetSubscription:input_type -> linkall.vanus.controller.GetSubscriptionRequest
-	9,  // 12: linkall.vanus.proxy.ControllerProxy.ListSubscription:input_type -> google.protobuf.Empty
-	9,  // 13: linkall.vanus.proxy.ControllerProxy.ClusterInfo:input_type -> google.protobuf.Empty
-	0,  // 14: linkall.vanus.proxy.ControllerProxy.LookupOffset:input_type -> linkall.vanus.proxy.LookupOffsetRequest
-	2,  // 15: linkall.vanus.proxy.ControllerProxy.GetEvent:input_type -> linkall.vanus.proxy.GetEventRequest
-	8,  // 16: linkall.vanus.proxy.ControllerProxy.CreateEventBus:output_type -> linkall.vanus.meta.EventBus
-	9,  // 17: linkall.vanus.proxy.ControllerProxy.DeleteEventBus:output_type -> google.protobuf.Empty
-	8,  // 18: linkall.vanus.proxy.ControllerProxy.GetEventBus:output_type -> linkall.vanus.meta.EventBus
-	16, // 19: linkall.vanus.proxy.ControllerProxy.ListEventBus:output_type -> linkall.vanus.controller.ListEventbusResponse
-	8,  // 20: linkall.vanus.proxy.ControllerProxy.UpdateEventBus:output_type -> linkall.vanus.meta.EventBus
-	17, // 21: linkall.vanus.proxy.ControllerProxy.ListSegment:output_type -> linkall.vanus.controller.ListSegmentResponse
-	18, // 22: linkall.vanus.proxy.ControllerProxy.CreateSubscription:output_type -> linkall.vanus.meta.Subscription
-	18, // 23: linkall.vanus.proxy.ControllerProxy.UpdateSubscription:output_type -> linkall.vanus.meta.Subscription
-	9,  // 24: linkall.vanus.proxy.ControllerProxy.DeleteSubscription:output_type -> google.protobuf.Empty
-	18, // 25: linkall.vanus.proxy.ControllerProxy.GetSubscription:output_type -> linkall.vanus.meta.Subscription
-	19, // 26: linkall.vanus.proxy.ControllerProxy.ListSubscription:output_type -> linkall.vanus.controller.ListSubscriptionResponse
-	4,  // 27: linkall.vanus.proxy.ControllerProxy.ClusterInfo:output_type -> linkall.vanus.proxy.ClusterInfoResponse
-	1,  // 28: linkall.vanus.proxy.ControllerProxy.LookupOffset:output_type -> linkall.vanus.proxy.LookupOffsetResponse
-	3,  // 29: linkall.vanus.proxy.ControllerProxy.GetEvent:output_type -> linkall.vanus.proxy.GetEventResponse
-	16, // [16:30] is the sub-list for method output_type
-	2,  // [2:16] is the sub-list for method input_type
-	2,  // [2:2] is the sub-list for extension type_name
-	2,  // [2:2] is the sub-list for extension extendee
-	0,  // [0:2] is the sub-list for field type_name
+	7,  // 0: linkall.vanus.proxy.LookupOffsetResponse.offsets:type_name -> linkall.vanus.proxy.LookupOffsetResponse.OffsetsEntry
+	8,  // 1: linkall.vanus.proxy.GetEventResponse.events:type_name -> google.protobuf.BytesValue
+	9,  // 2: linkall.vanus.proxy.ValidateSubscriptionRequest.subscription:type_name -> linkall.vanus.controller.SubscriptionRequest
+	10, // 3: linkall.vanus.proxy.ControllerProxy.CreateEventBus:input_type -> linkall.vanus.controller.CreateEventBusRequest
+	11, // 4: linkall.vanus.proxy.ControllerProxy.DeleteEventBus:input_type -> linkall.vanus.meta.EventBus
+	11, // 5: linkall.vanus.proxy.ControllerProxy.GetEventBus:input_type -> linkall.vanus.meta.EventBus
+	12, // 6: linkall.vanus.proxy.ControllerProxy.ListEventBus:input_type -> google.protobuf.Empty
+	13, // 7: linkall.vanus.proxy.ControllerProxy.UpdateEventBus:input_type -> linkall.vanus.controller.UpdateEventBusRequest
+	14, // 8: linkall.vanus.proxy.ControllerProxy.ListSegment:input_type -> linkall.vanus.controller.ListSegmentRequest
+	15, // 9: linkall.vanus.proxy.ControllerProxy.CreateSubscription:input_type -> linkall.vanus.controller.CreateSubscriptionRequest
+	16, // 10: linkall.vanus.proxy.ControllerProxy.UpdateSubscription:input_type -> linkall.vanus.controller.UpdateSubscriptionRequest
+	17, // 11: linkall.vanus.proxy.ControllerProxy.DeleteSubscription:input_type -> linkall.vanus.controller.DeleteSubscriptionRequest
+	18, // 12: linkall.vanus.proxy.ControllerProxy.GetSubscription:input_type -> linkall.vanus.controller.GetSubscriptionRequest
+	12, // 13: linkall.vanus.proxy.ControllerProxy.ListSubscription:input_type -> google.protobuf.Empty
+	12, // 14: linkall.vanus.proxy.ControllerProxy.ClusterInfo:input_type -> google.protobuf.Empty
+	0,  // 15: linkall.vanus.proxy.ControllerProxy.LookupOffset:input_type -> linkall.vanus.proxy.LookupOffsetRequest
+	2,  // 16: linkall.vanus.proxy.ControllerProxy.GetEvent:input_type -> linkall.vanus.proxy.GetEventRequest
+	5,  // 17: linkall.vanus.proxy.ControllerProxy.ValidateSubscription:input_type -> linkall.vanus.proxy.ValidateSubscriptionRequest
+	11, // 18: linkall.vanus.proxy.ControllerProxy.CreateEventBus:output_type -> linkall.vanus.meta.EventBus
+	12, // 19: linkall.vanus.proxy.ControllerProxy.DeleteEventBus:output_type -> google.protobuf.Empty
+	11, // 20: linkall.vanus.proxy.ControllerProxy.GetEventBus:output_type -> linkall.vanus.meta.EventBus
+	19, // 21: linkall.vanus.proxy.ControllerProxy.ListEventBus:output_type -> linkall.vanus.controller.ListEventbusResponse
+	11, // 22: linkall.vanus.proxy.ControllerProxy.UpdateEventBus:output_type -> linkall.vanus.meta.EventBus
+	20, // 23: linkall.vanus.proxy.ControllerProxy.ListSegment:output_type -> linkall.vanus.controller.ListSegmentResponse
+	21, // 24: linkall.vanus.proxy.ControllerProxy.CreateSubscription:output_type -> linkall.vanus.meta.Subscription
+	21, // 25: linkall.vanus.proxy.ControllerProxy.UpdateSubscription:output_type -> linkall.vanus.meta.Subscription
+	12, // 26: linkall.vanus.proxy.ControllerProxy.DeleteSubscription:output_type -> google.protobuf.Empty
+	21, // 27: linkall.vanus.proxy.ControllerProxy.GetSubscription:output_type -> linkall.vanus.meta.Subscription
+	22, // 28: linkall.vanus.proxy.ControllerProxy.ListSubscription:output_type -> linkall.vanus.controller.ListSubscriptionResponse
+	4,  // 29: linkall.vanus.proxy.ControllerProxy.ClusterInfo:output_type -> linkall.vanus.proxy.ClusterInfoResponse
+	1,  // 30: linkall.vanus.proxy.ControllerProxy.LookupOffset:output_type -> linkall.vanus.proxy.LookupOffsetResponse
+	3,  // 31: linkall.vanus.proxy.ControllerProxy.GetEvent:output_type -> linkall.vanus.proxy.GetEventResponse
+	6,  // 32: linkall.vanus.proxy.ControllerProxy.ValidateSubscription:output_type -> linkall.vanus.proxy.ValidateSubscriptionResponse
+	18, // [18:33] is the sub-list for method output_type
+	3,  // [3:18] is the sub-list for method input_type
+	3,  // [3:3] is the sub-list for extension type_name
+	3,  // [3:3] is the sub-list for extension extendee
+	0,  // [0:3] is the sub-list for field type_name
 }
 
 func init() { file_proxy_proto_init() }
@@ -611,6 +790,30 @@ func file_proxy_proto_init() {
 				return nil
 			}
 		}
+		file_proxy_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ValidateSubscriptionRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proxy_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ValidateSubscriptionResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -618,7 +821,7 @@ func file_proxy_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_proxy_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   6,
+			NumMessages:   8,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
@@ -661,6 +864,7 @@ type ControllerProxyClient interface {
 	ClusterInfo(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*ClusterInfoResponse, error)
 	LookupOffset(ctx context.Context, in *LookupOffsetRequest, opts ...grpc.CallOption) (*LookupOffsetResponse, error)
 	GetEvent(ctx context.Context, in *GetEventRequest, opts ...grpc.CallOption) (*GetEventResponse, error)
+	ValidateSubscription(ctx context.Context, in *ValidateSubscriptionRequest, opts ...grpc.CallOption) (*ValidateSubscriptionResponse, error)
 }
 
 type controllerProxyClient struct {
@@ -797,6 +1001,15 @@ func (c *controllerProxyClient) GetEvent(ctx context.Context, in *GetEventReques
 	return out, nil
 }
 
+func (c *controllerProxyClient) ValidateSubscription(ctx context.Context, in *ValidateSubscriptionRequest, opts ...grpc.CallOption) (*ValidateSubscriptionResponse, error) {
+	out := new(ValidateSubscriptionResponse)
+	err := c.cc.Invoke(ctx, "/linkall.vanus.proxy.ControllerProxy/ValidateSubscription", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // ControllerProxyServer is the server API for ControllerProxy service.
 type ControllerProxyServer interface {
 	// EventbusService
@@ -816,6 +1029,7 @@ type ControllerProxyServer interface {
 	ClusterInfo(context.Context, *emptypb.Empty) (*ClusterInfoResponse, error)
 	LookupOffset(context.Context, *LookupOffsetRequest) (*LookupOffsetResponse, error)
 	GetEvent(context.Context, *GetEventRequest) (*GetEventResponse, error)
+	ValidateSubscription(context.Context, *ValidateSubscriptionRequest) (*ValidateSubscriptionResponse, error)
 }
 
 // UnimplementedControllerProxyServer can be embedded to have forward compatible implementations.
@@ -864,6 +1078,9 @@ func (*UnimplementedControllerProxyServer) LookupOffset(context.Context, *Lookup
 func (*UnimplementedControllerProxyServer) GetEvent(context.Context, *GetEventRequest) (*GetEventResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetEvent not implemented")
 }
+func (*UnimplementedControllerProxyServer) ValidateSubscription(context.Context, *ValidateSubscriptionRequest) (*ValidateSubscriptionResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ValidateSubscription not implemented")
+}
 
 func RegisterControllerProxyServer(s *grpc.Server, srv ControllerProxyServer) {
 	s.RegisterService(&_ControllerProxy_serviceDesc, srv)
@@ -1121,6 +1338,24 @@ func _ControllerProxy_GetEvent_Handler(srv interface{}, ctx context.Context, dec
 	return interceptor(ctx, in, info, handler)
 }
 
+func _ControllerProxy_ValidateSubscription_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ValidateSubscriptionRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ControllerProxyServer).ValidateSubscription(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/linkall.vanus.proxy.ControllerProxy/ValidateSubscription",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ControllerProxyServer).ValidateSubscription(ctx, req.(*ValidateSubscriptionRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 var _ControllerProxy_serviceDesc = grpc.ServiceDesc{
 	ServiceName: "linkall.vanus.proxy.ControllerProxy",
 	HandlerType: (*ControllerProxyServer)(nil),
@@ -1181,6 +1416,10 @@ var _ControllerProxy_serviceDesc = grpc.ServiceDesc{
 			MethodName: "GetEvent",
 			Handler:    _ControllerProxy_GetEvent_Handler,
 		},
+		{
+			MethodName: "ValidateSubscription",
+			Handler:    _ControllerProxy_ValidateSubscription_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "proxy.proto",
diff --git a/proto/proto/proxy.proto b/proto/proto/proxy.proto
index 90efaa335..623091f2e 100644
--- a/proto/proto/proxy.proto
+++ b/proto/proto/proxy.proto
@@ -50,6 +50,7 @@ service ControllerProxy {
   rpc ClusterInfo(google.protobuf.Empty) returns (ClusterInfoResponse);
   rpc LookupOffset(LookupOffsetRequest) returns (LookupOffsetResponse);
   rpc GetEvent(GetEventRequest) returns (GetEventResponse);
+  rpc ValidateSubscription(ValidateSubscriptionRequest) returns (ValidateSubscriptionResponse);
 }
 
 message LookupOffsetRequest {
@@ -77,4 +78,19 @@ message GetEventResponse {
 message ClusterInfoResponse {
   int64 cloudevents_port = 1;
   int64 proxy_port = 2;
+}
+
+message ValidateSubscriptionRequest {
+  string eventbus = 1;
+  uint64 eventlog = 2;
+  int64 offset=3;
+  uint64 subscription_id = 4;
+
+  bytes event = 100;
+  controller.SubscriptionRequest subscription = 101;
+}
+
+message  ValidateSubscriptionResponse {
+  bool filter_result = 1;
+  bytes transformer_result = 2;
 }
\ No newline at end of file