diff --git a/src/middlewares/request_decamelizer.js b/src/middlewares/request_decamelizer.js
new file mode 100644
index 0000000..2d3cc89
--- /dev/null
+++ b/src/middlewares/request_decamelizer.js
@@ -0,0 +1,12 @@
+// @flow
+import { decamelizeKeys } from 'humps';
+import * as ActionTypes from '../actions/action_types';
+
+export default (store: any) => (next: any) => (action: any) => {
+    for (const key in ActionTypes) {
+        if ((ActionTypes[key] === action.type) && action.type.match(/.*_START$/)) {
+            action.payload = decamelizeKeys(action.payload);
+        }
+    }
+    next(action);
+};
diff --git a/src/store/configure_store.js b/src/store/configure_store.js
index c4c8f16..4018a4b 100644
--- a/src/store/configure_store.js
+++ b/src/store/configure_store.js
@@ -7,6 +7,7 @@ import { browserHistory } from 'react-router';
 import rootSaga from '../sagas/index';
 import rootReducer from '../reducers';
 import responseCamelizer from '../middleware/response_camelizer';
+import requestDecamelizer from '../middleware/request_decamelizer';
 
 const routing = routerMiddleware(browserHistory);
 const sagaMiddleware = createSagaMiddleware();
@@ -15,6 +16,7 @@ const enhancer = compose(
         routing,
         sagaMiddleware,
         responseCamelizer,
+        requestDecamelizer,
         createLogger(),
     ),
 );