diff --git a/src/main/java/net/onrc/onos/core/flowprogrammer/web/DoInterruptResource.java b/src/main/java/net/onrc/onos/core/flowprogrammer/web/DoInterruptResource.java
new file mode 100644
index 0000000..f2b4631
--- /dev/null
+++ b/src/main/java/net/onrc/onos/core/flowprogrammer/web/DoInterruptResource.java
@@ -0,0 +1,44 @@
+package net.onrc.onos.core.flowprogrammer.web;
+
+import net.floodlightcontroller.core.IOFSwitch;
+
+import org.openflow.util.HexString;
+import org.restlet.resource.Get;
+
+/**
+ * FlowProgrammer REST API implementation: Interrupt synchronization to a switch.
+ * <p/>
+ * GET /wm/fprog/synchronizer/interrupt/{dpid}/json"
+ */
+public class DoInterruptResource extends SynchronizerResource {
+
+    /**
+     * Implement the API.
+     *
+     * @return true if succeeded, false if failed.
+     */
+    @Get("json")
+    public boolean retrieve() {
+        if (!init()) {
+            return false;
+        }
+
+        long dpid;
+        try {
+            dpid = HexString.toLong((String) getRequestAttributes().get("dpid"));
+        } catch (NumberFormatException e) {
+            log.error("Invalid number format");
+            return false;
+        }
+
+        IOFSwitch sw = provider.getSwitches().get(dpid);
+        if (sw == null) {
+            log.error("Invalid dpid");
+            return false;
+        }
+
+        synchronizer.interrupt(sw);
+
+        return true;
+    }
+}