diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e69de29
diff --git a/core/core.go b/core/core.go
new file mode 100644
index 0000000..e408cd8
--- /dev/null
+++ b/core/core.go
@@ -0,0 +1,58 @@
+package core
+
+import (
+	"fmt"
+	"sync"
+	"time"
+
+	pb "git.wntrmute.dev/kyle/overpush/proto"
+	"github.com/gregdel/pushover"
+)
+
+// MessageBuffer is how many messages to back up. This represents a
+// balance between expected usage and anticipated spikes. It is
+// entirely empirical as I don't have data to drive this decision.
+const MessageBuffer = 16
+
+type Account struct {
+	p            *pushover.Pushover
+	nextTransmit time.Time
+	q            chan pb.Message
+	lock         *sync.Mutex
+}
+
+func NewAccount(token string) *Account {
+	return &Account{
+		p:    pushover.New(token),
+		q:    make(chan pb.Message, MessageBuffer),
+		lock: &sync.Mutex{},
+	}
+}
+
+func (a *Account) UpdateLimit(limit *pushover.Limit) {
+	a.lock.Lock()
+	if limit.Remaining > 0 {
+		return
+	}
+
+	a.nextTransmit = limit.NextReset.Add(time.Second)
+}
+
+func (a *Account) Receive() {
+	for {
+		for {
+			if a.nextTransmit.After(time.Now()) {
+				sleep := time.Until(a.nextTransmit)
+				time.Sleep(sleep)
+			} else {
+				break
+			}
+		}
+		m, closed := <-a.q
+		if closed {
+			panic("channel closed")
+		}
+
+		fmt.Println(m.String())
+	}
+}
diff --git a/go.mod b/go.mod
index 63542b4..4aa4a21 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,14 @@
 module git.wntrmute.dev/kyle/overpush
 
 go 1.20
+
+require (
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/gregdel/pushover v1.2.0 // indirect
+	golang.org/x/net v0.8.0 // indirect
+	golang.org/x/sys v0.6.0 // indirect
+	golang.org/x/text v0.8.0 // indirect
+	google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4 // indirect
+	google.golang.org/grpc v1.55.0 // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..310941a
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,21 @@
+github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
+github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
+github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/gregdel/pushover v1.2.0 h1:SLnpvJijUyEZvkJNyrldGhFhryYgQYlThSLpB5Oqt5k=
+github.com/gregdel/pushover v1.2.0/go.mod h1:EcaO66Nn1StkpEm1iKtBTV3d2A16SoMsVER1PthX7to=
+golang.org/x/net v0.8.0 h1:Zrh2ngAOFYneWTAIAPethzeaQLuHwhuBkuV6ZiRnUaQ=
+golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc=
+golang.org/x/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/text v0.8.0 h1:57P1ETyNKtuIjB4SRd15iJxuhj8Gc416Y78H3qgMh68=
+golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4 h1:DdoeryqhaXp1LtT/emMP1BRJPHHKFi5akj/nbx/zNTA=
+google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4/go.mod h1:NWraEVixdDnqcqQ30jipen1STv2r/n24Wb7twVTGR4s=
+google.golang.org/grpc v1.55.0 h1:3Oj82/tFSCeUrRTg/5E/7d/W5A1tj6Ky1ABAuZuv5ag=
+google.golang.org/grpc v1.55.0/go.mod h1:iYEXKGkEBhg1PjZQvoYEVPTDkHo1/bjTnfwTeGONTY8=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
+google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
diff --git a/proto/Makefile b/proto/Makefile
index fbfc57e..3d14b6a 100644
--- a/proto/Makefile
+++ b/proto/Makefile
@@ -1,12 +1,14 @@
 PROTOFILES = $(wildcard *.proto)
 GO_TARGETS = $(patsubst %.proto,%.pb.go,$(PROTOFILES))
-DEBIAN_DEPS = protobuf-compiler protoc-gen-go
+DEBIAN_DEPS = protobuf-compiler protoc-gen-go protobuf-compiler-grpc	\
+			  golang-goprotobuf-dev golang-google-genproto-dev 			\
+			  golang-google-grpc-dev grpc-proto golang-protobuf-extensions-dev
 
 .PHONY: all
 all: $(GO_TARGETS)
 
 %.pb.go: %.proto
-	protoc -I=$(PWD) --go_out=$(PWD) $<
+	protoc -I=$(PWD) --go_out=$(PWD) --go-grpc_out=. --go-grpc_opt=paths=source_relative $<
 
 .PHONY: install-debian-deps
 install-debian-deps:
diff --git a/proto/alert.proto b/proto/alert.proto
deleted file mode 100644
index 34907a8..0000000
--- a/proto/alert.proto
+++ /dev/null
@@ -1,17 +0,0 @@
-syntax = 'proto3';
-package overpush;
-
-option go_package = '.;pb';
-
-enum AlertType {
-    AlertTypeInvalid = 0;
-    AlertTypeMessage = 1;
-    AlertTypeMessageWithTitle = 2;
-    AlertTypeMessageWithAttachment = 3;
-}
-
-message Alert {
-    string title = 3;
-    string text  = 4;
-    bytes  attachment = 5;
-}
diff --git a/proto/message.pb.go b/proto/message.pb.go
new file mode 100644
index 0000000..e88cddd
--- /dev/null
+++ b/proto/message.pb.go
@@ -0,0 +1,344 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.30.0
+// 	protoc        v3.12.4
+// source: message.proto
+
+package pb
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type AlertType int32
+
+const (
+	AlertType_AlertTypeInvalid               AlertType = 0
+	AlertType_AlertTypeMessage               AlertType = 1
+	AlertType_AlertTypeMessageWithTitle      AlertType = 2
+	AlertType_AlertTypeMessageWithAttachment AlertType = 3
+)
+
+// Enum value maps for AlertType.
+var (
+	AlertType_name = map[int32]string{
+		0: "AlertTypeInvalid",
+		1: "AlertTypeMessage",
+		2: "AlertTypeMessageWithTitle",
+		3: "AlertTypeMessageWithAttachment",
+	}
+	AlertType_value = map[string]int32{
+		"AlertTypeInvalid":               0,
+		"AlertTypeMessage":               1,
+		"AlertTypeMessageWithTitle":      2,
+		"AlertTypeMessageWithAttachment": 3,
+	}
+)
+
+func (x AlertType) Enum() *AlertType {
+	p := new(AlertType)
+	*p = x
+	return p
+}
+
+func (x AlertType) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (AlertType) Descriptor() protoreflect.EnumDescriptor {
+	return file_message_proto_enumTypes[0].Descriptor()
+}
+
+func (AlertType) Type() protoreflect.EnumType {
+	return &file_message_proto_enumTypes[0]
+}
+
+func (x AlertType) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use AlertType.Descriptor instead.
+func (AlertType) EnumDescriptor() ([]byte, []int) {
+	return file_message_proto_rawDescGZIP(), []int{0}
+}
+
+type Priority int32
+
+const (
+	Priority_PriorityInvalid   Priority = 0
+	Priority_PriorityLowest    Priority = 1
+	Priority_PriorityLow       Priority = 2
+	Priority_PriorityNormal    Priority = 3
+	Priority_PriorityHigh      Priority = 4
+	Priority_PriorityEmergency Priority = 5
+)
+
+// Enum value maps for Priority.
+var (
+	Priority_name = map[int32]string{
+		0: "PriorityInvalid",
+		1: "PriorityLowest",
+		2: "PriorityLow",
+		3: "PriorityNormal",
+		4: "PriorityHigh",
+		5: "PriorityEmergency",
+	}
+	Priority_value = map[string]int32{
+		"PriorityInvalid":   0,
+		"PriorityLowest":    1,
+		"PriorityLow":       2,
+		"PriorityNormal":    3,
+		"PriorityHigh":      4,
+		"PriorityEmergency": 5,
+	}
+)
+
+func (x Priority) Enum() *Priority {
+	p := new(Priority)
+	*p = x
+	return p
+}
+
+func (x Priority) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (Priority) Descriptor() protoreflect.EnumDescriptor {
+	return file_message_proto_enumTypes[1].Descriptor()
+}
+
+func (Priority) Type() protoreflect.EnumType {
+	return &file_message_proto_enumTypes[1]
+}
+
+func (x Priority) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use Priority.Descriptor instead.
+func (Priority) EnumDescriptor() ([]byte, []int) {
+	return file_message_proto_rawDescGZIP(), []int{1}
+}
+
+type Message struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Timestamp  uint64    `protobuf:"varint,1,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
+	Type       AlertType `protobuf:"varint,2,opt,name=type,proto3,enum=overpush.AlertType" json:"type,omitempty"`
+	Priority   Priority  `protobuf:"varint,3,opt,name=priority,proto3,enum=overpush.Priority" json:"priority,omitempty"`
+	Recipients []string  `protobuf:"bytes,4,rep,name=recipients,proto3" json:"recipients,omitempty"`
+	StreamName string    `protobuf:"bytes,5,opt,name=stream_name,json=streamName,proto3" json:"stream_name,omitempty"` // string transmitter = 6;
+	Title      string    `protobuf:"bytes,8,opt,name=title,proto3" json:"title,omitempty"`
+	Text       string    `protobuf:"bytes,9,opt,name=text,proto3" json:"text,omitempty"`
+	Attachment []byte    `protobuf:"bytes,10,opt,name=attachment,proto3" json:"attachment,omitempty"`
+}
+
+func (x *Message) Reset() {
+	*x = Message{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_message_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Message) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Message) ProtoMessage() {}
+
+func (x *Message) ProtoReflect() protoreflect.Message {
+	mi := &file_message_proto_msgTypes[0]
+	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 Message.ProtoReflect.Descriptor instead.
+func (*Message) Descriptor() ([]byte, []int) {
+	return file_message_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Message) GetTimestamp() uint64 {
+	if x != nil {
+		return x.Timestamp
+	}
+	return 0
+}
+
+func (x *Message) GetType() AlertType {
+	if x != nil {
+		return x.Type
+	}
+	return AlertType_AlertTypeInvalid
+}
+
+func (x *Message) GetPriority() Priority {
+	if x != nil {
+		return x.Priority
+	}
+	return Priority_PriorityInvalid
+}
+
+func (x *Message) GetRecipients() []string {
+	if x != nil {
+		return x.Recipients
+	}
+	return nil
+}
+
+func (x *Message) GetStreamName() string {
+	if x != nil {
+		return x.StreamName
+	}
+	return ""
+}
+
+func (x *Message) GetTitle() string {
+	if x != nil {
+		return x.Title
+	}
+	return ""
+}
+
+func (x *Message) GetText() string {
+	if x != nil {
+		return x.Text
+	}
+	return ""
+}
+
+func (x *Message) GetAttachment() []byte {
+	if x != nil {
+		return x.Attachment
+	}
+	return nil
+}
+
+var File_message_proto protoreflect.FileDescriptor
+
+var file_message_proto_rawDesc = []byte{
+	0x0a, 0x0d, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12,
+	0x08, 0x6f, 0x76, 0x65, 0x72, 0x70, 0x75, 0x73, 0x68, 0x22, 0x8b, 0x02, 0x0a, 0x07, 0x4d, 0x65,
+	0x73, 0x73, 0x61, 0x67, 0x65, 0x12, 0x1c, 0x0a, 0x09, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61,
+	0x6d, 0x70, 0x18, 0x01, 0x20, 0x01, 0x28, 0x04, 0x52, 0x09, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74,
+	0x61, 0x6d, 0x70, 0x12, 0x27, 0x0a, 0x04, 0x74, 0x79, 0x70, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28,
+	0x0e, 0x32, 0x13, 0x2e, 0x6f, 0x76, 0x65, 0x72, 0x70, 0x75, 0x73, 0x68, 0x2e, 0x41, 0x6c, 0x65,
+	0x72, 0x74, 0x54, 0x79, 0x70, 0x65, 0x52, 0x04, 0x74, 0x79, 0x70, 0x65, 0x12, 0x2e, 0x0a, 0x08,
+	0x70, 0x72, 0x69, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x12,
+	0x2e, 0x6f, 0x76, 0x65, 0x72, 0x70, 0x75, 0x73, 0x68, 0x2e, 0x50, 0x72, 0x69, 0x6f, 0x72, 0x69,
+	0x74, 0x79, 0x52, 0x08, 0x70, 0x72, 0x69, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x12, 0x1e, 0x0a, 0x0a,
+	0x72, 0x65, 0x63, 0x69, 0x70, 0x69, 0x65, 0x6e, 0x74, 0x73, 0x18, 0x04, 0x20, 0x03, 0x28, 0x09,
+	0x52, 0x0a, 0x72, 0x65, 0x63, 0x69, 0x70, 0x69, 0x65, 0x6e, 0x74, 0x73, 0x12, 0x1f, 0x0a, 0x0b,
+	0x73, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x05, 0x20, 0x01, 0x28,
+	0x09, 0x52, 0x0a, 0x73, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x14, 0x0a,
+	0x05, 0x74, 0x69, 0x74, 0x6c, 0x65, 0x18, 0x08, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x74, 0x69,
+	0x74, 0x6c, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x74, 0x65, 0x78, 0x74, 0x18, 0x09, 0x20, 0x01, 0x28,
+	0x09, 0x52, 0x04, 0x74, 0x65, 0x78, 0x74, 0x12, 0x1e, 0x0a, 0x0a, 0x61, 0x74, 0x74, 0x61, 0x63,
+	0x68, 0x6d, 0x65, 0x6e, 0x74, 0x18, 0x0a, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x0a, 0x61, 0x74, 0x74,
+	0x61, 0x63, 0x68, 0x6d, 0x65, 0x6e, 0x74, 0x2a, 0x7a, 0x0a, 0x09, 0x41, 0x6c, 0x65, 0x72, 0x74,
+	0x54, 0x79, 0x70, 0x65, 0x12, 0x14, 0x0a, 0x10, 0x41, 0x6c, 0x65, 0x72, 0x74, 0x54, 0x79, 0x70,
+	0x65, 0x49, 0x6e, 0x76, 0x61, 0x6c, 0x69, 0x64, 0x10, 0x00, 0x12, 0x14, 0x0a, 0x10, 0x41, 0x6c,
+	0x65, 0x72, 0x74, 0x54, 0x79, 0x70, 0x65, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x10, 0x01,
+	0x12, 0x1d, 0x0a, 0x19, 0x41, 0x6c, 0x65, 0x72, 0x74, 0x54, 0x79, 0x70, 0x65, 0x4d, 0x65, 0x73,
+	0x73, 0x61, 0x67, 0x65, 0x57, 0x69, 0x74, 0x68, 0x54, 0x69, 0x74, 0x6c, 0x65, 0x10, 0x02, 0x12,
+	0x22, 0x0a, 0x1e, 0x41, 0x6c, 0x65, 0x72, 0x74, 0x54, 0x79, 0x70, 0x65, 0x4d, 0x65, 0x73, 0x73,
+	0x61, 0x67, 0x65, 0x57, 0x69, 0x74, 0x68, 0x41, 0x74, 0x74, 0x61, 0x63, 0x68, 0x6d, 0x65, 0x6e,
+	0x74, 0x10, 0x03, 0x2a, 0x81, 0x01, 0x0a, 0x08, 0x50, 0x72, 0x69, 0x6f, 0x72, 0x69, 0x74, 0x79,
+	0x12, 0x13, 0x0a, 0x0f, 0x50, 0x72, 0x69, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x49, 0x6e, 0x76, 0x61,
+	0x6c, 0x69, 0x64, 0x10, 0x00, 0x12, 0x12, 0x0a, 0x0e, 0x50, 0x72, 0x69, 0x6f, 0x72, 0x69, 0x74,
+	0x79, 0x4c, 0x6f, 0x77, 0x65, 0x73, 0x74, 0x10, 0x01, 0x12, 0x0f, 0x0a, 0x0b, 0x50, 0x72, 0x69,
+	0x6f, 0x72, 0x69, 0x74, 0x79, 0x4c, 0x6f, 0x77, 0x10, 0x02, 0x12, 0x12, 0x0a, 0x0e, 0x50, 0x72,
+	0x69, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x4e, 0x6f, 0x72, 0x6d, 0x61, 0x6c, 0x10, 0x03, 0x12, 0x10,
+	0x0a, 0x0c, 0x50, 0x72, 0x69, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x48, 0x69, 0x67, 0x68, 0x10, 0x04,
+	0x12, 0x15, 0x0a, 0x11, 0x50, 0x72, 0x69, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x45, 0x6d, 0x65, 0x72,
+	0x67, 0x65, 0x6e, 0x63, 0x79, 0x10, 0x05, 0x42, 0x06, 0x5a, 0x04, 0x2e, 0x3b, 0x70, 0x62, 0x62,
+	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_message_proto_rawDescOnce sync.Once
+	file_message_proto_rawDescData = file_message_proto_rawDesc
+)
+
+func file_message_proto_rawDescGZIP() []byte {
+	file_message_proto_rawDescOnce.Do(func() {
+		file_message_proto_rawDescData = protoimpl.X.CompressGZIP(file_message_proto_rawDescData)
+	})
+	return file_message_proto_rawDescData
+}
+
+var file_message_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
+var file_message_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_message_proto_goTypes = []interface{}{
+	(AlertType)(0),  // 0: overpush.AlertType
+	(Priority)(0),   // 1: overpush.Priority
+	(*Message)(nil), // 2: overpush.Message
+}
+var file_message_proto_depIdxs = []int32{
+	0, // 0: overpush.Message.type:type_name -> overpush.AlertType
+	1, // 1: overpush.Message.priority:type_name -> overpush.Priority
+	2, // [2:2] is the sub-list for method output_type
+	2, // [2:2] 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
+}
+
+func init() { file_message_proto_init() }
+func file_message_proto_init() {
+	if File_message_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_message_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Message); 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{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_message_proto_rawDesc,
+			NumEnums:      2,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_message_proto_goTypes,
+		DependencyIndexes: file_message_proto_depIdxs,
+		EnumInfos:         file_message_proto_enumTypes,
+		MessageInfos:      file_message_proto_msgTypes,
+	}.Build()
+	File_message_proto = out.File
+	file_message_proto_rawDesc = nil
+	file_message_proto_goTypes = nil
+	file_message_proto_depIdxs = nil
+}
diff --git a/proto/message.proto b/proto/message.proto
new file mode 100644
index 0000000..5911716
--- /dev/null
+++ b/proto/message.proto
@@ -0,0 +1,33 @@
+syntax = 'proto3';
+package overpush;
+
+option go_package = '.;pb';
+
+enum AlertType {
+    AlertTypeInvalid = 0;
+    AlertTypeMessage = 1;
+    AlertTypeMessageWithTitle = 2;
+    AlertTypeMessageWithAttachment = 3;
+}
+
+enum Priority {
+    PriorityInvalid = 0;
+    PriorityLowest    = 1;
+    PriorityLow       = 2;
+    PriorityNormal    = 3;
+    PriorityHigh      = 4;
+    PriorityEmergency = 5;
+}
+
+message Message {
+    uint64 timestamp = 1;
+    AlertType type = 2;
+    Priority priority = 3;
+    repeated string recipients = 4;
+    string stream_name = 5;
+    // string transmitter = 6;
+
+    string title = 8;
+    string text  = 9;
+    bytes  attachment = 10;
+}
diff --git a/proto/response.pb.go b/proto/response.pb.go
new file mode 100644
index 0000000..c95c194
--- /dev/null
+++ b/proto/response.pb.go
@@ -0,0 +1,229 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.30.0
+// 	protoc        v3.12.4
+// source: response.proto
+
+package pb
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type TLDR int32
+
+const (
+	TLDR_TLDRInvalid TLDR = 0
+	TLDR_TLDRSent    TLDR = 1
+	TLDR_TLDRQueued  TLDR = 2
+	TLDR_TLDRFailed  TLDR = 3
+)
+
+// Enum value maps for TLDR.
+var (
+	TLDR_name = map[int32]string{
+		0: "TLDRInvalid",
+		1: "TLDRSent",
+		2: "TLDRQueued",
+		3: "TLDRFailed",
+	}
+	TLDR_value = map[string]int32{
+		"TLDRInvalid": 0,
+		"TLDRSent":    1,
+		"TLDRQueued":  2,
+		"TLDRFailed":  3,
+	}
+)
+
+func (x TLDR) Enum() *TLDR {
+	p := new(TLDR)
+	*p = x
+	return p
+}
+
+func (x TLDR) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (TLDR) Descriptor() protoreflect.EnumDescriptor {
+	return file_response_proto_enumTypes[0].Descriptor()
+}
+
+func (TLDR) Type() protoreflect.EnumType {
+	return &file_response_proto_enumTypes[0]
+}
+
+func (x TLDR) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use TLDR.Descriptor instead.
+func (TLDR) EnumDescriptor() ([]byte, []int) {
+	return file_response_proto_rawDescGZIP(), []int{0}
+}
+
+type Response struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Timestamp uint64   `protobuf:"varint,1,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
+	Id        string   `protobuf:"bytes,2,opt,name=id,proto3" json:"id,omitempty"`
+	Status    int32    `protobuf:"varint,3,opt,name=status,proto3" json:"status,omitempty"`
+	Errors    []string `protobuf:"bytes,4,rep,name=errors,proto3" json:"errors,omitempty"` // optional string receipt = 5;
+}
+
+func (x *Response) Reset() {
+	*x = Response{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_response_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Response) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Response) ProtoMessage() {}
+
+func (x *Response) ProtoReflect() protoreflect.Message {
+	mi := &file_response_proto_msgTypes[0]
+	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 Response.ProtoReflect.Descriptor instead.
+func (*Response) Descriptor() ([]byte, []int) {
+	return file_response_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Response) GetTimestamp() uint64 {
+	if x != nil {
+		return x.Timestamp
+	}
+	return 0
+}
+
+func (x *Response) GetId() string {
+	if x != nil {
+		return x.Id
+	}
+	return ""
+}
+
+func (x *Response) GetStatus() int32 {
+	if x != nil {
+		return x.Status
+	}
+	return 0
+}
+
+func (x *Response) GetErrors() []string {
+	if x != nil {
+		return x.Errors
+	}
+	return nil
+}
+
+var File_response_proto protoreflect.FileDescriptor
+
+var file_response_proto_rawDesc = []byte{
+	0x0a, 0x0e, 0x72, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x12, 0x08, 0x6f, 0x76, 0x65, 0x72, 0x70, 0x75, 0x73, 0x68, 0x22, 0x68, 0x0a, 0x08, 0x52, 0x65,
+	0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x1c, 0x0a, 0x09, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74,
+	0x61, 0x6d, 0x70, 0x18, 0x01, 0x20, 0x01, 0x28, 0x04, 0x52, 0x09, 0x74, 0x69, 0x6d, 0x65, 0x73,
+	0x74, 0x61, 0x6d, 0x70, 0x12, 0x0e, 0x0a, 0x02, 0x69, 0x64, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09,
+	0x52, 0x02, 0x69, 0x64, 0x12, 0x16, 0x0a, 0x06, 0x73, 0x74, 0x61, 0x74, 0x75, 0x73, 0x18, 0x03,
+	0x20, 0x01, 0x28, 0x05, 0x52, 0x06, 0x73, 0x74, 0x61, 0x74, 0x75, 0x73, 0x12, 0x16, 0x0a, 0x06,
+	0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x18, 0x04, 0x20, 0x03, 0x28, 0x09, 0x52, 0x06, 0x65, 0x72,
+	0x72, 0x6f, 0x72, 0x73, 0x2a, 0x45, 0x0a, 0x04, 0x54, 0x4c, 0x44, 0x52, 0x12, 0x0f, 0x0a, 0x0b,
+	0x54, 0x4c, 0x44, 0x52, 0x49, 0x6e, 0x76, 0x61, 0x6c, 0x69, 0x64, 0x10, 0x00, 0x12, 0x0c, 0x0a,
+	0x08, 0x54, 0x4c, 0x44, 0x52, 0x53, 0x65, 0x6e, 0x74, 0x10, 0x01, 0x12, 0x0e, 0x0a, 0x0a, 0x54,
+	0x4c, 0x44, 0x52, 0x51, 0x75, 0x65, 0x75, 0x65, 0x64, 0x10, 0x02, 0x12, 0x0e, 0x0a, 0x0a, 0x54,
+	0x4c, 0x44, 0x52, 0x46, 0x61, 0x69, 0x6c, 0x65, 0x64, 0x10, 0x03, 0x42, 0x06, 0x5a, 0x04, 0x2e,
+	0x3b, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_response_proto_rawDescOnce sync.Once
+	file_response_proto_rawDescData = file_response_proto_rawDesc
+)
+
+func file_response_proto_rawDescGZIP() []byte {
+	file_response_proto_rawDescOnce.Do(func() {
+		file_response_proto_rawDescData = protoimpl.X.CompressGZIP(file_response_proto_rawDescData)
+	})
+	return file_response_proto_rawDescData
+}
+
+var file_response_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
+var file_response_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_response_proto_goTypes = []interface{}{
+	(TLDR)(0),        // 0: overpush.TLDR
+	(*Response)(nil), // 1: overpush.Response
+}
+var file_response_proto_depIdxs = []int32{
+	0, // [0:0] is the sub-list for method output_type
+	0, // [0:0] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_response_proto_init() }
+func file_response_proto_init() {
+	if File_response_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_response_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Response); 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{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_response_proto_rawDesc,
+			NumEnums:      1,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_response_proto_goTypes,
+		DependencyIndexes: file_response_proto_depIdxs,
+		EnumInfos:         file_response_proto_enumTypes,
+		MessageInfos:      file_response_proto_msgTypes,
+	}.Build()
+	File_response_proto = out.File
+	file_response_proto_rawDesc = nil
+	file_response_proto_goTypes = nil
+	file_response_proto_depIdxs = nil
+}
diff --git a/proto/response.proto b/proto/response.proto
new file mode 100644
index 0000000..47b7953
--- /dev/null
+++ b/proto/response.proto
@@ -0,0 +1,19 @@
+syntax = 'proto3';
+package overpush;
+
+option go_package = '.;pb';
+
+enum TLDR {
+    TLDRInvalid = 0;
+    TLDRSent = 1;
+    TLDRQueued = 2;
+    TLDRFailed = 3;
+}
+
+message Response {
+    uint64 timestamp = 1;
+    string id = 2;
+    int32 status = 3;
+    repeated string errors = 4;
+    // optional string receipt = 5;
+}
\ No newline at end of file
diff --git a/proto/service.pb.go b/proto/service.pb.go
new file mode 100644
index 0000000..5453d5a
--- /dev/null
+++ b/proto/service.pb.go
@@ -0,0 +1,74 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.30.0
+// 	protoc        v3.12.4
+// source: service.proto
+
+package pb
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+var File_service_proto protoreflect.FileDescriptor
+
+var file_service_proto_rawDesc = []byte{
+	0x0a, 0x0d, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12,
+	0x08, 0x6f, 0x76, 0x65, 0x72, 0x70, 0x75, 0x73, 0x68, 0x1a, 0x0d, 0x6d, 0x65, 0x73, 0x73, 0x61,
+	0x67, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x0e, 0x72, 0x65, 0x73, 0x70, 0x6f, 0x6e,
+	0x73, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x32, 0x43, 0x0a, 0x08, 0x4f, 0x76, 0x65, 0x72,
+	0x70, 0x75, 0x73, 0x68, 0x12, 0x37, 0x0a, 0x0c, 0x51, 0x75, 0x65, 0x75, 0x65, 0x4d, 0x65, 0x73,
+	0x73, 0x61, 0x67, 0x65, 0x12, 0x11, 0x2e, 0x6f, 0x76, 0x65, 0x72, 0x70, 0x75, 0x73, 0x68, 0x2e,
+	0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x1a, 0x12, 0x2e, 0x6f, 0x76, 0x65, 0x72, 0x70, 0x75,
+	0x73, 0x68, 0x2e, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x42, 0x06, 0x5a,
+	0x04, 0x2e, 0x3b, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var file_service_proto_goTypes = []interface{}{
+	(*Message)(nil),  // 0: overpush.Message
+	(*Response)(nil), // 1: overpush.Response
+}
+var file_service_proto_depIdxs = []int32{
+	0, // 0: overpush.Overpush.QueueMessage:input_type -> overpush.Message
+	1, // 1: overpush.Overpush.QueueMessage:output_type -> overpush.Response
+	1, // [1:2] is the sub-list for method output_type
+	0, // [0:1] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_service_proto_init() }
+func file_service_proto_init() {
+	if File_service_proto != nil {
+		return
+	}
+	file_message_proto_init()
+	file_response_proto_init()
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_service_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   0,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_service_proto_goTypes,
+		DependencyIndexes: file_service_proto_depIdxs,
+	}.Build()
+	File_service_proto = out.File
+	file_service_proto_rawDesc = nil
+	file_service_proto_goTypes = nil
+	file_service_proto_depIdxs = nil
+}
diff --git a/proto/service.proto b/proto/service.proto
new file mode 100644
index 0000000..04ade7d
--- /dev/null
+++ b/proto/service.proto
@@ -0,0 +1,11 @@
+syntax = 'proto3';
+package overpush;
+
+option go_package = '.;pb';
+
+import 'message.proto';
+import 'response.proto';
+
+service Overpush {
+    rpc QueueMessage(Message) returns (Response) {};
+}
\ No newline at end of file
diff --git a/proto/service_grpc.pb.go b/proto/service_grpc.pb.go
new file mode 100644
index 0000000..e186632
--- /dev/null
+++ b/proto/service_grpc.pb.go
@@ -0,0 +1,109 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.3.0
+// - protoc             v3.12.4
+// source: service.proto
+
+package pb
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+const (
+	Overpush_QueueMessage_FullMethodName = "/overpush.Overpush/QueueMessage"
+)
+
+// OverpushClient is the client API for Overpush service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type OverpushClient interface {
+	QueueMessage(ctx context.Context, in *Message, opts ...grpc.CallOption) (*Response, error)
+}
+
+type overpushClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewOverpushClient(cc grpc.ClientConnInterface) OverpushClient {
+	return &overpushClient{cc}
+}
+
+func (c *overpushClient) QueueMessage(ctx context.Context, in *Message, opts ...grpc.CallOption) (*Response, error) {
+	out := new(Response)
+	err := c.cc.Invoke(ctx, Overpush_QueueMessage_FullMethodName, in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// OverpushServer is the server API for Overpush service.
+// All implementations must embed UnimplementedOverpushServer
+// for forward compatibility
+type OverpushServer interface {
+	QueueMessage(context.Context, *Message) (*Response, error)
+	mustEmbedUnimplementedOverpushServer()
+}
+
+// UnimplementedOverpushServer must be embedded to have forward compatible implementations.
+type UnimplementedOverpushServer struct {
+}
+
+func (UnimplementedOverpushServer) QueueMessage(context.Context, *Message) (*Response, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method QueueMessage not implemented")
+}
+func (UnimplementedOverpushServer) mustEmbedUnimplementedOverpushServer() {}
+
+// UnsafeOverpushServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to OverpushServer will
+// result in compilation errors.
+type UnsafeOverpushServer interface {
+	mustEmbedUnimplementedOverpushServer()
+}
+
+func RegisterOverpushServer(s grpc.ServiceRegistrar, srv OverpushServer) {
+	s.RegisterService(&Overpush_ServiceDesc, srv)
+}
+
+func _Overpush_QueueMessage_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(Message)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(OverpushServer).QueueMessage(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Overpush_QueueMessage_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(OverpushServer).QueueMessage(ctx, req.(*Message))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// Overpush_ServiceDesc is the grpc.ServiceDesc for Overpush service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Overpush_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "overpush.Overpush",
+	HandlerType: (*OverpushServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "QueueMessage",
+			Handler:    _Overpush_QueueMessage_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "service.proto",
+}