diff --git a/accountant/api/views/accounts.py b/accountant/api/views/accounts.py
index 66556a9..1aa8dd0 100644
--- a/accountant/api/views/accounts.py
+++ b/accountant/api/views/accounts.py
@@ -143,8 +143,8 @@ class AccountResource(Resource):
         return None, 204
 
 
-api.add_resource(AccountListResource, '/accounts')
-api.add_resource(AccountResource, '/accounts/<int:id>')
+api.add_resource(AccountListResource, '/account')
+api.add_resource(AccountResource, '/account/<int:id>')
 
 
 range_parser = reqparse.RequestParser()
@@ -163,10 +163,10 @@ category_model = {
 class CategoryResource(Resource):
     @requires_auth
     @marshal_with_field(fields.List(Object(category_model)))
-    def get(self):
+    def get(self, id):
         data = range_parser.parse_args()
 
-        return Operation.get_categories_for_range(**data).all(), 200
+        return Operation.get_categories_for_range(id, **data).all()
 
 
 ohlc_model = {
@@ -181,11 +181,11 @@ ohlc_model = {
 class OHLCResource(Resource):
     @requires_auth
     @marshal_with_field(fields.List(Object(ohlc_model)))
-    def get(self):
+    def get(self, id):
         data = range_parser.parse_args()
 
-        return Operation.get_ohlc_per_day_for_range(**data).all(), 200
+        return Operation.get_ohlc_per_day_for_range(id, **data).all()
 
 
-api.add_resource(CategoryResource, "/categories")
-api.add_resource(OHLCResource, "/solds")
+api.add_resource(CategoryResource, "/account/<int:id>/categories")
+api.add_resource(OHLCResource, "/account/<int:id>/solds")
diff --git a/accountant/api/views/operations.py b/accountant/api/views/operations.py
index f8e0026..4182bd9 100644
--- a/accountant/api/views/operations.py
+++ b/accountant/api/views/operations.py
@@ -136,5 +136,5 @@ class OperationResource(Resource):
         return None, 204
 
 
-api.add_resource(OperationListResource, "/operations")
-api.add_resource(OperationResource, "/operations/<int:id>")
+api.add_resource(OperationListResource, "/operation")
+api.add_resource(OperationResource, "/operation/<int:id>")
diff --git a/accountant/api/views/scheduled_operations.py b/accountant/api/views/scheduled_operations.py
index 21895df..0108bf0 100644
--- a/accountant/api/views/scheduled_operations.py
+++ b/accountant/api/views/scheduled_operations.py
@@ -168,6 +168,6 @@ class ScheduledOperationResource(Resource):
         return None, 204
 
 
-api.add_resource(ScheduledOperationListResource, "/scheduled_operations")
+api.add_resource(ScheduledOperationListResource, "/scheduled_operation")
 api.add_resource(ScheduledOperationResource,
-                     "/scheduled_operations/<int:id>")
+                     "/scheduled_operation/<int:id>")
diff --git a/accountant/api/views/users.py b/accountant/api/views/users.py
index f044926..187d73b 100644
--- a/accountant/api/views/users.py
+++ b/accountant/api/views/users.py
@@ -126,4 +126,4 @@ class LoginResource(Resource):
         return g.user
 
 
-api.add_resource(LoginResource, "/users/login")
+api.add_resource(LoginResource, "/user/login")
diff --git a/accountant/frontend/static/js/accounts.js b/accountant/frontend/static/js/accounts.js
index e0691b9..066885d 100644
--- a/accountant/frontend/static/js/accounts.js
+++ b/accountant/frontend/static/js/accounts.js
@@ -20,7 +20,7 @@ accountantApp
 
 .factory("Account", ["$resource", function($resource) {
     return $resource(
-        "/api/accounts/:id", {
+        "/api/account/:id", {
             id: "@id"
         }
     );
diff --git a/accountant/frontend/static/js/app.js b/accountant/frontend/static/js/app.js
index 3d303e7..e50d87f 100644
--- a/accountant/frontend/static/js/app.js
+++ b/accountant/frontend/static/js/app.js
@@ -123,7 +123,7 @@ var accountantApp = angular.module("accountantApp", [
                 var email = $('#email').val();
                 var password = $('#password').val();
                 $http.post(
-                    "/api/users/login",
+                    "/api/user/login",
                     {
                         "email": email,
                         "password": password
diff --git a/accountant/frontend/static/js/operations.js b/accountant/frontend/static/js/operations.js
index 7c7da8d..f0a31be 100644
--- a/accountant/frontend/static/js/operations.js
+++ b/accountant/frontend/static/js/operations.js
@@ -19,19 +19,37 @@ accountantApp
 
 .factory("Operation", [ "$resource", function($resource)  {
     return $resource(
-        "/api/operations/:id", {
+        "/api/operation/:id", {
             id: "@id"
         }
     );
 }])
 
+.factory("OHLC", [ "$resource", "$routeParams",
+         function($resource, $routeParams)  {
+    return $resource(
+        "/api/account/:account_id/ohlc", {
+            account_id: $routeParams.accountId
+        }
+    );
+}])
+
+.factory("Category", [ "$resource", "$routeParams",
+         function($resource, $routeParams)  {
+    return $resource(
+        "/api/account/:account_id/category", {
+            account_id: $routeParams.accountId
+        }
+    );
+}])
+
 /*
  * Controller for category chart.
  */
 .controller(
   "CategoryChartController", [
-    "$rootScope", "$scope", "$http", "$routeParams",
-    function($rootScope, $scope, $http, $routeParams) {
+    "$rootScope", "$scope", "$http", "$routeParams", "Category",
+    function($rootScope, $scope, $http, $routeParams, Category) {
 
   var colors = Highcharts.getOptions().colors;
   $scope.revenueColor = colors[2];
@@ -101,13 +119,10 @@ accountantApp
   $scope.load = function(begin, end) {
     $scope.config.loading = true;
 
-    $http.get("/api/categories", {
-      params: {
-        account: $routeParams.accountId,
+    Category.query({
         begin: begin.format('YYYY-MM-DD'),
         end: end.format('YYYY-MM-DD')
-      }
-    }).success(function(data) {
+    }, function(data) {
       var expenses = [], revenues = [];
 
       var expenseColor = $scope.brightenColor($scope.expenseColor);
@@ -138,7 +153,7 @@ accountantApp
    * Get account status.
    */
   $scope.getAccountStatus = function(begin, end) {
-    $http.get("/api/accounts/" + $routeParams.accountId, {
+    $http.get("/api/account/" + $routeParams.accountId, {
       params: {
         begin: begin.format('YYYY-MM-DD'),
         end: end.format('YYYY-MM-DD')
@@ -176,8 +191,8 @@ accountantApp
  */
 .controller(
   "SoldChartController", [
-    "$rootScope", "$scope", "$http", "$routeParams",
-    function($rootScope, $scope, $http, $routeParams) {
+    "$rootScope", "$scope", "$http", "OHLC",
+    function($rootScope, $scope, $http, OHLC) {
   // Configure chart for operations.
   $scope.config = {
     options: {
@@ -271,11 +286,7 @@ accountantApp
   $scope.loadSolds = function() {
     $scope.config.loading = true;
 
-    $http.get("/api/solds", {
-      params: {
-        account: $routeParams.accountId,
-      }
-    }).success(function(data) {
+    OHLC.query({}, function(data) {
       $scope.config.series[0].data = [];
 
       angular.forEach(data, function(operation) {
diff --git a/accountant/frontend/static/js/scheduler.js b/accountant/frontend/static/js/scheduler.js
index 97d712b..2f18cc5 100644
--- a/accountant/frontend/static/js/scheduler.js
+++ b/accountant/frontend/static/js/scheduler.js
@@ -18,7 +18,7 @@ accountantApp
 
 .factory("ScheduledOperation", ["$resource", function($resource) {
     return $resource(
-        "/api/scheduled_operations/:id", {
+        "/api/scheduled_operation/:id", {
             id: "@id"
         }
     );