diff --git a/transport/publisher.go b/transport/publisher.go
new file mode 100644
index 0000000..420af8a
--- /dev/null
+++ b/transport/publisher.go
@@ -0,0 +1,13 @@
+package transport
+
+// Publisher interface defines the required methods
+// to send messages over channel.
+type Publisher interface {
+	// Publish a message to a channel.
+	// The message may or may not be buffered depending on the implementation.
+	Publish(channel string, payload []byte) error
+
+	// Flush writes any buffered messages to the channel.
+	// If the implementation does not support buffering. this is a noop.
+	Flush() error
+}