diff --git a/src/ProcessManager.cpp b/src/ProcessManager.cpp
index 2e8ab1c..d4455a0 100644
--- a/src/ProcessManager.cpp
+++ b/src/ProcessManager.cpp
@@ -10,7 +10,7 @@
 #include "ProcessManager.hpp"
 #include "config.hpp"
 #include "H5Writer.hpp"
-#include "rest_interface.hpp"
+#include "RestApi.hpp"
 
 using namespace std;
 namespace pt = boost::property_tree;
@@ -179,7 +179,7 @@ void ProcessManager::run_writer(WriterManager& manager, const H5Format& format,
     boost::thread receiver_thread(receive_zmq, boost::ref(manager), boost::ref(ring_buffer), connect_address, n_io_threads, receive_timeout);
     boost::thread writer_thread(write_h5, boost::ref(manager), boost::ref(format), boost::ref(ring_buffer));
 
-    start_rest_api(manager, rest_port);
+    RestApi::start_rest_api(manager, rest_port);
 
     #ifdef DEBUG_OUTPUT
         cout << "[h5_zmq_writer::run_writer] Rest API stopped." << endl;
diff --git a/src/ProcessManager.hpp b/src/ProcessManager.hpp
index e365463..108c651 100644
--- a/src/ProcessManager.hpp
+++ b/src/ProcessManager.hpp
@@ -4,7 +4,8 @@
 #include "H5Format.hpp"
 #include "RingBuffer.hpp"
 
-namespace ProcessManager {
+namespace ProcessManager 
+{
     void run_writer(WriterManager& manager, const H5Format& format, const std::string& connect_address, uint16_t rest_port);
     void receive_zmq(WriterManager& manager, RingBuffer& ring_buffer, const std::string& connect_address, 
         int n_io_threads=1, int receive_timeout=-1);
diff --git a/src/rest_interface.cpp b/src/RestApi.cpp
similarity index 98%
rename from src/rest_interface.cpp
rename to src/RestApi.cpp
index 1f0161b..2cce72b 100644
--- a/src/rest_interface.cpp
+++ b/src/RestApi.cpp
@@ -2,11 +2,11 @@
 #include <string>
 
 #include "crow_all.h"
-#include "rest_interface.hpp"
+#include "RestApi.hpp"
 
 using namespace std;
 
-void start_rest_api(WriterManager& writer_manager, uint16_t port)
+void RestApi::start_rest_api(WriterManager& writer_manager, uint16_t port)
 {
 
     #ifdef DEBUG_OUTPUT
diff --git a/src/RestApi.hpp b/src/RestApi.hpp
new file mode 100644
index 0000000..6c0f1ce
--- /dev/null
+++ b/src/RestApi.hpp
@@ -0,0 +1,11 @@
+#ifndef REST_INTERFACE_H
+#define REST_INTERFACE_H
+
+#include "WriterManager.hpp"
+
+namespace RestApi
+{
+    void start_rest_api(WriterManager& writer_manager, uint16_t port);
+}
+
+#endif
\ No newline at end of file
diff --git a/src/rest_interface.hpp b/src/rest_interface.hpp
deleted file mode 100644
index add9af5..0000000
--- a/src/rest_interface.hpp
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef REST_INTERFACE_H
-#define REST_INTERFACE_H
-
-#include "WriterManager.hpp"
-
-void start_rest_api(WriterManager& writer_manager, uint16_t port);
-
-#endif
\ No newline at end of file