diff --git a/transport/http/proto/client.go b/transport/http/proto/client.go
new file mode 100644
index 0000000..cc729f9
--- /dev/null
+++ b/transport/http/proto/client.go
@@ -0,0 +1,37 @@
+package proto
+
+import (
+	"bytes"
+	"context"
+	"errors"
+	"io/ioutil"
+	"net/http"
+
+	httptransport "github.com/go-kit/kit/transport/http"
+	"github.com/golang/protobuf/proto"
+)
+
+// EncodeProtoRequest is an EncodeRequestFunc that serializes the request as Protobuf.
+// If the request implements Headerer, the provided headers will be applied
+// to the request. If the given request does not implement proto.Message, an error will
+// be returned.
+func EncodeProtoRequest(_ context.Context, r *http.Request, preq interface{}) error {
+	r.Header.Set("Content-Type", "application/x-protobuf")
+	if headerer, ok := preq.(httptransport.Headerer); ok {
+		for k := range headerer.Headers() {
+			r.Header.Set(k, headerer.Headers().Get(k))
+		}
+	}
+	req, ok := preq.(proto.Message)
+	if !ok {
+		return errors.New("response does not implement proto.Message")
+	}
+
+	b, err := proto.Marshal(req)
+	if err != nil {
+		return err
+	}
+	r.ContentLength = int64(len(b))
+	r.Body = ioutil.NopCloser(bytes.NewReader(b))
+	return nil
+}
diff --git a/transport/http/proto/proto_pb_test.go b/transport/http/proto/proto_pb_test.go
new file mode 100644
index 0000000..779d888
--- /dev/null
+++ b/transport/http/proto/proto_pb_test.go
@@ -0,0 +1,94 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: proto_test.proto
+
+package proto
+
+import (
+	fmt "fmt"
+	math "math"
+
+	proto "github.com/golang/protobuf/proto"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+type Cat struct {
+	Age                  int32    `protobuf:"varint,1,opt,name=Age,proto3" json:"Age,omitempty"`
+	Breed                string   `protobuf:"bytes,2,opt,name=Breed,proto3" json:"Breed,omitempty"`
+	Name                 string   `protobuf:"bytes,3,opt,name=Name,proto3" json:"Name,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *Cat) Reset()         { *m = Cat{} }
+func (m *Cat) String() string { return proto.CompactTextString(m) }
+func (*Cat) ProtoMessage()    {}
+func (*Cat) Descriptor() ([]byte, []int) {
+	return fileDescriptor_a794ba8d0e5440a3, []int{0}
+}
+
+func (m *Cat) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Cat.Unmarshal(m, b)
+}
+func (m *Cat) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Cat.Marshal(b, m, deterministic)
+}
+func (m *Cat) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Cat.Merge(m, src)
+}
+func (m *Cat) XXX_Size() int {
+	return xxx_messageInfo_Cat.Size(m)
+}
+func (m *Cat) XXX_DiscardUnknown() {
+	xxx_messageInfo_Cat.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Cat proto.InternalMessageInfo
+
+func (m *Cat) GetAge() int32 {
+	if m != nil {
+		return m.Age
+	}
+	return 0
+}
+
+func (m *Cat) GetBreed() string {
+	if m != nil {
+		return m.Breed
+	}
+	return ""
+}
+
+func (m *Cat) GetName() string {
+	if m != nil {
+		return m.Name
+	}
+	return ""
+}
+
+func init() {
+	proto.RegisterType((*Cat)(nil), "Cat")
+}
+
+func init() { proto.RegisterFile("proto_test.proto", fileDescriptor_a794ba8d0e5440a3) }
+
+var fileDescriptor_a794ba8d0e5440a3 = []byte{
+	// 98 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x12, 0x28, 0x28, 0xca, 0x2f,
+	0xc9, 0x8f, 0x2f, 0x49, 0x2d, 0x2e, 0xd1, 0x03, 0x33, 0x95, 0x1c, 0xb9, 0x98, 0x9d, 0x13, 0x4b,
+	0x84, 0x04, 0xb8, 0x98, 0x1d, 0xd3, 0x53, 0x25, 0x18, 0x15, 0x18, 0x35, 0x58, 0x83, 0x40, 0x4c,
+	0x21, 0x11, 0x2e, 0x56, 0xa7, 0xa2, 0xd4, 0xd4, 0x14, 0x09, 0x26, 0x05, 0x46, 0x0d, 0xce, 0x20,
+	0x08, 0x47, 0x48, 0x88, 0x8b, 0xc5, 0x2f, 0x31, 0x37, 0x55, 0x82, 0x19, 0x2c, 0x08, 0x66, 0x27,
+	0xb1, 0x81, 0x4d, 0x32, 0x06, 0x04, 0x00, 0x00, 0xff, 0xff, 0x5f, 0x95, 0x83, 0x0a, 0x5d, 0x00,
+	0x00, 0x00,
+}
diff --git a/transport/http/proto/proto_test.go b/transport/http/proto/proto_test.go
new file mode 100644
index 0000000..7b59d71
--- /dev/null
+++ b/transport/http/proto/proto_test.go
@@ -0,0 +1,95 @@
+package proto
+
+import (
+	"io/ioutil"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/golang/protobuf/proto"
+)
+
+func TestEncodeProtoRequest(t *testing.T) {
+	cat := &Cat{Name: "Ziggy", Age: 13, Breed: "Lumpy"}
+
+	r := httptest.NewRequest(http.MethodGet, "/cat", nil)
+
+	err := EncodeProtoRequest(nil, r, cat)
+	if err != nil {
+		t.Errorf("expected no encoding errors but got: %s", err)
+		return
+	}
+
+	const xproto = "application/x-protobuf"
+	if typ := r.Header.Get("Content-Type"); typ != xproto {
+		t.Errorf("expected content type of %q, got %q", xproto, typ)
+		return
+	}
+
+	bod, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		t.Errorf("expected no read errors but got: %s", err)
+		return
+	}
+	defer r.Body.Close()
+
+	var got Cat
+	err = proto.Unmarshal(bod, &got)
+	if err != nil {
+		t.Errorf("expected no proto errors but got: %s", err)
+		return
+	}
+
+	if !proto.Equal(&got, cat) {
+		t.Errorf("expected cats to be equal but got:\n\n%#v\n\nwant:\n\n%#v", got, cat)
+		return
+	}
+}
+
+func TestEncodeProtoResponse(t *testing.T) {
+	cat := &Cat{Name: "Ziggy", Age: 13, Breed: "Lumpy"}
+
+	wr := httptest.NewRecorder()
+
+	err := EncodeProtoResponse(nil, wr, cat)
+	if err != nil {
+		t.Errorf("expected no encoding errors but got: %s", err)
+		return
+	}
+
+	w := wr.Result()
+
+	const xproto = "application/x-protobuf"
+	if typ := w.Header.Get("Content-Type"); typ != xproto {
+		t.Errorf("expected content type of %q, got %q", xproto, typ)
+		return
+	}
+
+	if w.StatusCode != http.StatusTeapot {
+		t.Errorf("expected status code of %d, got %d", http.StatusTeapot, w.StatusCode)
+		return
+	}
+
+	bod, err := ioutil.ReadAll(w.Body)
+	if err != nil {
+		t.Errorf("expected no read errors but got: %s", err)
+		return
+	}
+	defer w.Body.Close()
+
+	var got Cat
+	err = proto.Unmarshal(bod, &got)
+	if err != nil {
+		t.Errorf("expected no proto errors but got: %s", err)
+		return
+	}
+
+	if !proto.Equal(&got, cat) {
+		t.Errorf("expected cats to be equal but got:\n\n%#v\n\nwant:\n\n%#v", got, cat)
+		return
+	}
+}
+
+func (c *Cat) StatusCode() int {
+	return http.StatusTeapot
+}
diff --git a/transport/http/proto/proto_test.proto b/transport/http/proto/proto_test.proto
new file mode 100644
index 0000000..018486d
--- /dev/null
+++ b/transport/http/proto/proto_test.proto
@@ -0,0 +1,7 @@
+syntax = "proto3";
+
+message Cat {
+    int32 Age = 1;
+    string Breed = 2;
+    string Name = 3;
+}
diff --git a/transport/http/proto/server.go b/transport/http/proto/server.go
new file mode 100644
index 0000000..9990081
--- /dev/null
+++ b/transport/http/proto/server.go
@@ -0,0 +1,47 @@
+package proto
+
+import (
+	"context"
+	"errors"
+	"net/http"
+
+	httptransport "github.com/go-kit/kit/transport/http"
+	"github.com/golang/protobuf/proto"
+)
+
+// EncodeProtoResponse is an EncodeResponseFunc that serializes the response as Protobuf.
+// Many Proto-over-HTTP services can use it as a sensible default. If the response
+// implements Headerer, the provided headers will be applied to the response. If the
+// response implements StatusCoder, the provided StatusCode will be used instead of 200.
+func EncodeProtoResponse(ctx context.Context, w http.ResponseWriter, pres interface{}) error {
+	res, ok := pres.(proto.Message)
+	if !ok {
+		return errors.New("response does not implement proto.Message")
+	}
+	w.Header().Set("Content-Type", "application/x-protobuf")
+	if headerer, ok := w.(httptransport.Headerer); ok {
+		for k := range headerer.Headers() {
+			w.Header().Set(k, headerer.Headers().Get(k))
+		}
+	}
+	code := http.StatusOK
+	if sc, ok := pres.(httptransport.StatusCoder); ok {
+		code = sc.StatusCode()
+	}
+	w.WriteHeader(code)
+	if code == http.StatusNoContent {
+		return nil
+	}
+	if res == nil {
+		return nil
+	}
+	b, err := proto.Marshal(res)
+	if err != nil {
+		return err
+	}
+	_, err = w.Write(b)
+	if err != nil {
+		return err
+	}
+	return nil
+}