diff --git a/go.mod b/go.mod
index 6e5c52e..dbe6683 100644
--- a/go.mod
+++ b/go.mod
@@ -1,18 +1,19 @@
 module go.unistack.org/micro-codec-proto/v4
 
-go 1.22.0
+go 1.25
 
 require (
 	go.unistack.org/micro-proto/v4 v4.1.0
-	go.unistack.org/micro/v4 v4.1.2
-	google.golang.org/protobuf v1.36.5
+	go.unistack.org/micro/v4 v4.1.29
+	google.golang.org/grpc v1.79.1
+	google.golang.org/protobuf v1.36.11
 )
 
 require (
 	github.com/ash3in/uuidv8 v1.2.0 // indirect
-	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/kr/pretty v0.3.1 // indirect
 	github.com/matoous/go-nanoid v1.5.1 // indirect
+	golang.org/x/sys v0.41.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
diff --git a/go.sum b/go.sum
index eecd680..128ebb6 100644
--- a/go.sum
+++ b/go.sum
@@ -5,6 +5,7 @@ github.com/ash3in/uuidv8 v1.2.0/go.mod h1:BnU0wJBxnzdEKmVg4xckBkD+VZuecTFTUP3M0d
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
@@ -17,12 +18,34 @@ github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsK
 github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
 github.com/rogpeppe/go-internal v1.13.1 h1:KvO1DLK/DRN07sQ1LQKScxyZJuNnedQ5/wKSR38lUII=
 github.com/rogpeppe/go-internal v1.13.1/go.mod h1:uMEvuHeurkdAXX61udpOXGD/AzZDWNMNyH2VO9fmH0o=
+github.com/rogpeppe/go-internal v1.14.1 h1:UQB4HGPB6osV0SQTLymcB4TgvyWu6ZyliaW0tI/otEQ=
 go.unistack.org/micro-proto/v4 v4.1.0 h1:qPwL2n/oqh9RE3RTTDgt28XK3QzV597VugQPaw9lKUk=
 go.unistack.org/micro-proto/v4 v4.1.0/go.mod h1:ArmK7o+uFvxSY3dbJhKBBX4Pm1rhWdLEFf3LxBrMtec=
 go.unistack.org/micro/v4 v4.1.2 h1:9SOlPYyPNNFpg1A7BsvhDyQm3gysLH1AhWbDCp1hyoY=
 go.unistack.org/micro/v4 v4.1.2/go.mod h1:lr3oYED8Ay1vjK68QqRw30QOtdk/ffpZqMFDasOUhKw=
+go.unistack.org/micro/v4 v4.1.29 h1:oCE3z2q1/7uQOr4Ed8y61Ilk0VLy8jmfrxEWGHioFrY=
+go.unistack.org/micro/v4 v4.1.29/go.mod h1:TscgP4Qp+P+8FYxfySJjd1FUlyzHopwR39A0+N5JITg=
+golang.org/x/net v0.34.0 h1:Mb7Mrk043xzHgnRM88suvJFwzVrRfHEHJEl5/71CKw0=
+golang.org/x/net v0.34.0/go.mod h1:di0qlW3YNM5oh6GqDGQr92MyTozJPmybPK4Ev/Gm31k=
+golang.org/x/net v0.48.0 h1:zyQRTTrjc33Lhh0fBgT/H3oZq9WuvRR5gPC70xpDiQU=
+golang.org/x/sys v0.29.0 h1:TPYlXGxvx1MGTn2GiZDhnjPA9wZzZeGKHHmKhHYvgaU=
+golang.org/x/sys v0.29.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.41.0 h1:Ivj+2Cp/ylzLiEU89QhWblYnOE9zerudt9Ftecq2C6k=
+golang.org/x/sys v0.41.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/text v0.19.0 h1:kTxAhCbGbxhK0IwgSKiMO5awPoDQ0RpfiVYBfK860YM=
+golang.org/x/text v0.19.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
+golang.org/x/text v0.32.0 h1:ZD01bjUt1FQ9WJ0ClOL5vxgxOI/sVCNgX1YtKwcY0mU=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20241216192217-9240e9c98484 h1:Z7FRVJPSMaHQxD0uXU8WdgFh8PseLM8Q8NzhnpMrBhQ=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20241216192217-9240e9c98484/go.mod h1:lcTa1sDdWEIHMWlITnIczmw5w60CF9ffkb8Z+DVmmjA=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217 h1:gRkg/vSppuSQoDjxyiGfN4Upv/h/DQmIR10ZU8dh4Ww=
+google.golang.org/grpc v1.69.4 h1:MF5TftSMkd8GLw/m0KM6V8CMOCY6NZ1NQDPGFgbTt4A=
+google.golang.org/grpc v1.69.4/go.mod h1:vyjdE6jLBI76dgpDojsFGNaHlxdjXN9ghpnd2o7JGZ4=
+google.golang.org/grpc v1.79.1 h1:zGhSi45ODB9/p3VAawt9a+O/MULLl9dpizzNNpq7flY=
+google.golang.org/grpc v1.79.1/go.mod h1:KmT0Kjez+0dde/v2j9vzwoAScgEPx/Bw1CYChhHLrHQ=
 google.golang.org/protobuf v1.36.5 h1:tPhr+woSbjfYvY6/GPufUoYizxw1cF/yFoxJ2fmpwlM=
 google.golang.org/protobuf v1.36.5/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
+google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
+google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
diff --git a/options.go b/options.go
index e5a0c64..4ce7b1a 100644
--- a/options.go
+++ b/options.go
@@ -2,6 +2,7 @@ package proto
 
 import (
 	codec "go.unistack.org/micro/v4/codec"
+	"google.golang.org/grpc/mem"
 	"google.golang.org/protobuf/proto"
 )
 
@@ -16,3 +17,9 @@ type marshalOptionsKey struct{}
 func MarshalOptions(o proto.MarshalOptions) codec.Option {
 	return codec.SetOption(marshalOptionsKey{}, o)
 }
+
+type memBufferPoolKey struct{}
+
+func BufferPool(p mem.BufferPool) codec.Option {
+	return codec.SetOption(memBufferPoolKey{}, p)
+}
diff --git a/proto.go b/proto.go
index e7f2c81..311b5f4 100644
--- a/proto.go
+++ b/proto.go
@@ -5,6 +5,9 @@ import (
 	pb "go.unistack.org/micro-proto/v4/codec"
 	"go.unistack.org/micro/v4/codec"
 	rutil "go.unistack.org/micro/v4/util/reflect"
+	"google.golang.org/grpc/encoding"
+	_ "google.golang.org/grpc/encoding/proto"
+	"google.golang.org/grpc/mem"
 	"google.golang.org/protobuf/proto"
 )
 
@@ -27,9 +30,15 @@ type protoCodecV2 struct {
 	opts codec.Options
 }
 
+type protoCodecGRPC struct {
+	opts codec.Options
+	bp   mem.BufferPool
+}
+
 var (
-	_ codec.Codec   = (*protoCodec)(nil)
-	_ codec.CodecV2 = (*protoCodecV2)(nil)
+	_ codec.Codec      = (*protoCodec)(nil)
+	_ codec.CodecV2    = (*protoCodecV2)(nil)
+	_ encoding.CodecV2 = (*protoCodecGRPC)(nil)
 )
 
 func (c *protoCodec) Marshal(v interface{}, opts ...codec.Option) ([]byte, error) {
@@ -195,5 +204,109 @@ func (c *protoCodecV2) String() string {
 }
 
 func NewCodecV2(opts ...codec.Option) codec.CodecV2 {
+	options := codec.NewOptions(opts...)
+
+	bp, ok := options.Context.Value(memBufferPoolKey{}).(mem.BufferPool)
+	if !ok || bp != nil {
+		bp = mem.NewTieredBufferPool(1024, 2048, 4096, 8092, 1*1024*1024*1024, 4*1024*1024*1024)
+	}
+
 	return &protoCodecV2{opts: codec.NewOptions(opts...)}
 }
+
+func NewCodecGRPC(opts ...codec.Option) *protoCodecGRPC {
+	options := codec.NewOptions(opts...)
+
+	bp, ok := options.Context.Value(memBufferPoolKey{}).(mem.BufferPool)
+	if !ok || bp != nil {
+		bp = mem.NewTieredBufferPool(1024, 2048, 4096, 8092, 1*1024*1024*1024, 4*1024*1024*1024)
+	}
+
+	return &protoCodecGRPC{opts: codec.NewOptions(opts...)}
+}
+
+func (c *protoCodecGRPC) Marshal(v any) (out mem.BufferSlice, err error) {
+	if v == nil {
+		return nil, nil
+	}
+
+	options := c.opts
+
+	if options.Flatten {
+		if nv, nerr := rutil.StructFieldByTag(v, options.TagName, "flatten"); nerr == nil {
+			v = nv
+		}
+	}
+
+	switch m := v.(type) {
+	case *codec.Frame:
+		buf := c.bp.Get(len(m.Data))
+		*buf = append((*buf)[:0], m.Data...)
+		out = append(out, mem.NewBuffer(buf, c.bp))
+		return out, nil
+	case *pb.Frame:
+		buf := c.bp.Get(len(m.Data))
+		*buf = append((*buf)[:0], m.Data...)
+		out = append(out, mem.NewBuffer(buf, c.bp))
+		return out, nil
+	case proto.Message:
+		marshalOptions := DefaultMarshalOptions
+		if options.Context != nil {
+			if f, ok := options.Context.Value(marshalOptionsKey{}).(proto.MarshalOptions); ok {
+				marshalOptions = f
+			}
+		}
+		size := proto.Size(m)
+
+		buf := c.bp.Get(size)
+
+		if _, err := marshalOptions.MarshalAppend((*buf)[:0], m); err != nil {
+			c.bp.Put(buf)
+			return nil, err
+		}
+		out = append(out, mem.NewBuffer(buf, c.bp))
+		return out, nil
+	default:
+		return nil, codec.ErrInvalidMessage
+	}
+}
+
+func (c *protoCodecGRPC) Unmarshal(data mem.BufferSlice, v any) (err error) {
+	if v == nil || len(data) == 0 {
+		return nil
+	}
+
+	options := c.opts
+
+	if options.Flatten {
+		if nv, nerr := rutil.StructFieldByTag(v, options.TagName, "flatten"); nerr == nil {
+			v = nv
+		}
+	}
+
+	buf := data.MaterializeToBuffer(c.bp)
+	defer buf.Free()
+
+	switch m := v.(type) {
+	case *codec.Frame:
+		m.Data = buf.ReadOnlyData()
+		return nil
+	case *pb.Frame:
+		m.Data = buf.ReadOnlyData()
+		return nil
+	case proto.Message:
+		unmarshalOptions := DefaultUnmarshalOptions
+		if options.Context != nil {
+			if f, ok := options.Context.Value(marshalOptionsKey{}).(proto.UnmarshalOptions); ok {
+				unmarshalOptions = f
+			}
+		}
+		return unmarshalOptions.Unmarshal(buf.ReadOnlyData(), m)
+	default:
+		return codec.ErrInvalidMessage
+	}
+}
+
+func (c *protoCodecGRPC) Name() string {
+	return "proto"
+}