diff --git a/src/api/ros/recommendations.test.ts b/src/api/ros/recommendations.test.ts
new file mode 100644
index 000000000..e06a7d679
--- /dev/null
+++ b/src/api/ros/recommendations.test.ts
@@ -0,0 +1,10 @@
+import { RosType } from 'api/ros/ros';
+import axios from 'axios';
+
+import { runRos } from './recommendations';
+
+test('api run reports calls axios get', () => {
+  const query = 'filter[resolution]=daily';
+  runRos(RosType.cost, query);
+  expect(axios.get).toBeCalledWith(`reports/openshift/costs/?${query}`);
+});
diff --git a/src/api/ros/recommendations.ts b/src/api/ros/recommendations.ts
new file mode 100644
index 000000000..d95c4a5db
--- /dev/null
+++ b/src/api/ros/recommendations.ts
@@ -0,0 +1,44 @@
+import axios from 'axios';
+
+import type { Ros, RosData, RosItem, RosItemValue, RosMeta, RosValue } from './ros';
+import { RosType } from './ros';
+
+export interface RosRosItem extends RosItem {
+  capacity?: RosValue;
+  cluster?: string;
+  clusters?: string[];
+  limit?: RosValue;
+  node?: string;
+  project?: string;
+  request?: RosValue;
+}
+
+export interface RosRosData extends RosData {
+  // TBD...
+}
+
+export interface RosRosMeta extends RosMeta {
+  total?: {
+    capacity?: RosValue;
+    cost?: RosItemValue;
+    infrastructure?: RosItemValue;
+    limit?: RosValue;
+    request?: RosValue;
+    supplementary?: RosItemValue;
+    usage?: RosValue;
+  };
+}
+
+export interface RosRos extends Ros {
+  meta: RosRosMeta;
+  data: RosRosData[];
+}
+
+export const RosTypePaths: Partial<Record<RosType, string>> = {
+  [RosType.cost]: 'reports/openshift/costs/',
+};
+
+export function runRos(reportType: RosType, query: string) {
+  const path = RosTypePaths[reportType];
+  return axios.get<RosRos>(`${path}?${query}`);
+}
diff --git a/src/api/ros/ros.ts b/src/api/ros/ros.ts
new file mode 100644
index 000000000..163821f4f
--- /dev/null
+++ b/src/api/ros/ros.ts
@@ -0,0 +1,74 @@
+import type { PagedMetaData, PagedResponse } from 'api/api';
+
+export interface RosValue {
+  units?: string;
+  value?: number;
+}
+
+export interface RosItemValue {
+  markup?: RosValue;
+  raw?: RosValue;
+  total?: RosValue;
+  usage: RosValue;
+}
+
+export interface RosItem {
+  alias?: string;
+  classification?: string; // Platform.
+  cost?: RosItemValue;
+  date?: string;
+  default_project?: string; // 'True' or 'False'
+  delta_percent?: number;
+  delta_value?: number;
+  id?: string;
+  infrastructure?: RosItemValue;
+  source_uuid?: string;
+  supplementary?: RosItemValue;
+}
+
+// Additional props for group_by[org_unit_id]
+export interface RosData {
+  date?: string;
+  values?: RosItem[];
+}
+
+export interface RosMeta extends PagedMetaData {
+  category?: string[];
+  count: number;
+  delta?: {
+    percent: number;
+    value: number;
+  };
+  filter?: {
+    [filter: string]: any;
+  };
+  group_by?: {
+    [group: string]: string[];
+  };
+  order_by?: {
+    [order: string]: string;
+  };
+  others?: number;
+  total?: {
+    capacity?: RosValue;
+    cost?: RosItemValue;
+    count?: RosValue; // Workaround for https://github.com/project-koku/koku/issues/1395
+    infrastructure?: RosItemValue;
+    limit?: RosValue;
+    request?: RosValue;
+    supplementary?: RosItemValue;
+    usage?: RosValue;
+  };
+}
+
+export interface Ros extends PagedResponse<RosData, RosMeta> {}
+
+// eslint-disable-next-line no-shadow
+export const enum RosType {
+  cost = 'cost',
+}
+
+// eslint-disable-next-line no-shadow
+export const enum RosPathsType {
+  recommendation = 'recommendation',
+}
diff --git a/src/api/ros/rosUtils.ts b/src/api/ros/rosUtils.ts
new file mode 100644
index 000000000..a789f3584
--- /dev/null
+++ b/src/api/ros/rosUtils.ts
@@ -0,0 +1,13 @@
+import { runRos as runRecommendation } from './recommendations';
+import type { RosType } from './ros';
+import { RosPathsType } from './ros';
+
+export function runRos(rosPathsType: RosPathsType, rosType: RosType, query: string) {
+  let result;
+  switch (rosPathsType) {
+    case RosPathsType.recommendation:
+      result = runRecommendation(rosType, query);
+      break;
+  }
+  return result;
+}
diff --git a/src/store/rootReducer.ts b/src/store/rootReducer.ts
index 1db1ca3d8..87944e5ee 100644
--- a/src/store/rootReducer.ts
+++ b/src/store/rootReducer.ts
@@ -39,6 +39,7 @@ import { orgReducer, orgStateKey } from 'store/orgs';
 import { priceListReducer, priceListStateKey } from 'store/priceList';
 import { reportReducer, reportStateKey } from 'store/reports';
 import { resourceReducer, resourceStateKey } from 'store/resources';
+import { rosReducer, rosStateKey } from 'store/ros';
 import { sourcesReducer, sourcesStateKey } from 'store/sourceSettings';
 import { tagReducer, tagStateKey } from 'store/tags';
 import type { StateType } from 'typesafe-actions';
@@ -90,6 +91,7 @@ export const rootReducer = combineReducers({
   [rhelCostOverviewStateKey]: rhelCostOverviewReducer,
   [rhelDashboardStateKey]: rhelDashboardReducer,
   [rhelHistoricalDataStateKey]: rhelHistoricalDataReducer,
+  [rosStateKey]: rosReducer,
   [sourcesStateKey]: sourcesReducer,
   [tagStateKey]: tagReducer,
   [uiStateKey]: uiReducer,
diff --git a/src/store/ros/__snapshots__/ros.test.ts.snap b/src/store/ros/__snapshots__/ros.test.ts.snap
new file mode 100644
index 000000000..c40443195
--- /dev/null
+++ b/src/store/ros/__snapshots__/ros.test.ts.snap
@@ -0,0 +1,9 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`default state 1`] = `
+{
+  "byId": Map {},
+  "errors": Map {},
+  "fetchStatus": Map {},
+}
+`;
diff --git a/src/store/ros/index.ts b/src/store/ros/index.ts
new file mode 100644
index 000000000..80e11b672
--- /dev/null
+++ b/src/store/ros/index.ts
@@ -0,0 +1,8 @@
+import * as rosActions from './rosActions';
+import { rosStateKey } from './rosCommon';
+import type { CachedRos, RosAction, RosState } from './rosReducer';
+import { rosReducer } from './rosReducer';
+import * as rosSelectors from './rosSelectors';
+
+export type { RosAction, CachedRos, RosState };
+export { rosActions, rosReducer, rosSelectors, rosStateKey };
diff --git a/src/store/ros/ros.test.ts b/src/store/ros/ros.test.ts
new file mode 100644
index 000000000..fad9570e0
--- /dev/null
+++ b/src/store/ros/ros.test.ts
@@ -0,0 +1,89 @@
+jest.mock('api/ros/rosUtils');
+
+import { waitFor } from '@testing-library/react';
+import type { Ros } from 'api/ros/ros';
+import { RosPathsType, RosType } from 'api/ros/ros';
+import { runRos } from 'api/ros/rosUtils';
+import { FetchStatus } from 'store/common';
+import { createMockStoreCreator } from 'store/mockStore';
+
+import * as actions from './rosActions';
+import { rosStateKey } from './rosCommon';
+import { rosReducer } from './rosReducer';
+import * as selectors from './rosSelectors';
+
+const createRossStore = createMockStoreCreator({
+  [rosStateKey]: rosReducer,
+});
+
+const runRosMock = runRos as jest.Mock;
+
+const mockRos: Ros = {
+  data: [],
+  total: {
+    value: 100,
+    units: 'USD',
+  },
+} as any;
+
+const rosType = RosType.cost;
+const rosPathsType = RosPathsType.recommendation;
+const rosQueryString = 'rosQueryString';
+
+runRosMock.mockResolvedValue({ data: mockRos });
+global.Date.now = jest.fn(() => 12345);
+
+jest.spyOn(actions, 'fetchRos');
+jest.spyOn(selectors, 'selectRosFetchStatus');
+
+test('default state', () => {
+  const store = createRossStore();
+  expect(selectors.selectRosState(store.getState())).toMatchSnapshot();
+});
+
+test('fetch ros success', async () => {
+  const store = createRossStore();
+  store.dispatch(actions.fetchRos(rosPathsType, rosType, rosQueryString));
+  expect(runRosMock).toBeCalled();
+  expect(selectors.selectRosFetchStatus(store.getState(), rosPathsType, rosType, rosQueryString)).toBe(
+    FetchStatus.inProgress
+  );
+  await waitFor(() => expect(selectors.selectRosFetchStatus).toHaveBeenCalled());
+  const finishedState = store.getState();
+  expect(selectors.selectRosFetchStatus(finishedState, rosPathsType, rosType, rosQueryString)).toBe(
+    FetchStatus.complete
+  );
+  expect(selectors.selectRosError(finishedState, rosPathsType, rosType, rosQueryString)).toBe(null);
+});
+
+test('fetch ros failure', async () => {
+  const store = createRossStore();
+  const error = Symbol('ros error');
+  runRosMock.mockRejectedValueOnce(error);
+  store.dispatch(actions.fetchRos(rosPathsType, rosType, rosQueryString));
+  expect(runRos).toBeCalled();
+  expect(selectors.selectRosFetchStatus(store.getState(), rosPathsType, rosType, rosQueryString)).toBe(
+    FetchStatus.inProgress
+  );
+  await waitFor(() => expect(selectors.selectRosFetchStatus).toHaveBeenCalled());
+  const finishedState = store.getState();
+  expect(selectors.selectRosFetchStatus(finishedState, rosPathsType, rosType, rosQueryString)).toBe(
+    FetchStatus.complete
+  );
+  expect(selectors.selectRosError(finishedState, rosPathsType, rosType, rosQueryString)).toBe(error);
+});
+
+test('does not fetch ros if the request is in progress', () => {
+  const store = createRossStore();
+  store.dispatch(actions.fetchRos(rosPathsType, rosType, rosQueryString));
+  store.dispatch(actions.fetchRos(rosPathsType, rosType, rosQueryString));
+  expect(runRos).toHaveBeenCalledTimes(1);
+});
+
+test('ros is not refetched if it has not expired', async () => {
+  const store = createRossStore();
+  store.dispatch(actions.fetchRos(rosPathsType, rosType, rosQueryString));
+  await waitFor(() => expect(actions.fetchRos).toHaveBeenCalled());
+  store.dispatch(actions.fetchRos(rosPathsType, rosType, rosQueryString));
+  expect(runRos).toHaveBeenCalledTimes(1);
+});
diff --git a/src/store/ros/rosActions.ts b/src/store/ros/rosActions.ts
new file mode 100644
index 000000000..9a00a3803
--- /dev/null
+++ b/src/store/ros/rosActions.ts
@@ -0,0 +1,59 @@
+import type { Ros } from 'api/ros/ros';
+import type { RosPathsType, RosType } from 'api/ros/ros';
+import { runRos } from 'api/ros/rosUtils';
+import type { AxiosError } from 'axios';
+import type { ThunkAction } from 'store/common';
+import { FetchStatus } from 'store/common';
+import type { RootState } from 'store/rootReducer';
+import { createAction } from 'typesafe-actions';
+
+import { getFetchId } from './rosCommon';
+import { selectRos, selectRosFetchStatus } from './rosSelectors';
+
+const expirationMS = 30 * 60 * 1000; // 30 minutes
+
+interface RosActionMeta {
+  fetchId: string;
+}
+
+export const fetchRosRequest = createAction('ros/request')<RosActionMeta>();
+export const fetchRosSuccess = createAction('ros/success')<Ros, RosActionMeta>();
+export const fetchRosFailure = createAction('ros/failure')<AxiosError, RosActionMeta>();
+
+export function fetchRos(rosPathsType: RosPathsType, rosType: RosType, rosQueryString: string): ThunkAction {
+  return (dispatch, getState) => {
+    if (!isRosExpired(getState(), rosPathsType, rosType, rosQueryString)) {
+      return;
+    }
+
+    const meta: RosActionMeta = {
+      fetchId: getFetchId(rosPathsType, rosType, rosQueryString),
+    };
+
+    dispatch(fetchRosRequest(meta));
+    runRos(rosPathsType, rosType, rosQueryString)
+      .then(res => {
+        // See https://github.com/project-koku/koku-ui/pull/580
+        // const repsonseData = dropCurrentMonthData(res, query);
+        dispatch(fetchRosSuccess(res.data, meta));
+      })
+      .catch(err => {
+        dispatch(fetchRosFailure(err, meta));
+      });
+  };
+}
+
+function isRosExpired(state: RootState, rosPathsType: RosPathsType, rosType: RosType, rosQueryString: string) {
+  const ros = selectRos(state, rosPathsType, rosType, rosQueryString);
+  const fetchStatus = selectRosFetchStatus(state, rosPathsType, rosType, rosQueryString);
+  if (fetchStatus === FetchStatus.inProgress) {
+    return false;
+  }
+
+  if (!ros) {
+    return true;
+  }
+
+  const now = Date.now();
+  return now > ros.timeRequested + expirationMS;
+}
diff --git a/src/store/ros/rosCommon.ts b/src/store/ros/rosCommon.ts
new file mode 100644
index 000000000..8c61d8d8c
--- /dev/null
+++ b/src/store/ros/rosCommon.ts
@@ -0,0 +1,6 @@
+import type { RosPathsType, RosType } from 'api/ros/ros';
+export const rosStateKey = 'ros';
+
+export function getFetchId(rosPathsType: RosPathsType, rosType: RosType, rosQueryString: string) {
+  return `${rosPathsType}--${rosType}--${rosQueryString}`;
+}
diff --git a/src/store/ros/rosReducer.ts b/src/store/ros/rosReducer.ts
new file mode 100644
index 000000000..adeb89469
--- /dev/null
+++ b/src/store/ros/rosReducer.ts
@@ -0,0 +1,62 @@
+import type { Ros } from 'api/ros/ros';
+import type { AxiosError } from 'axios';
+import { FetchStatus } from 'store/common';
+import { resetState } from 'store/ui/uiActions';
+import type { ActionType } from 'typesafe-actions';
+import { getType } from 'typesafe-actions';
+
+import { fetchRosFailure, fetchRosRequest, fetchRosSuccess } from './rosActions';
+
+export interface CachedRos extends Ros {
+  timeRequested: number;
+}
+
+export type RosState = Readonly<{
+  byId: Map<string, CachedRos>;
+  fetchStatus: Map<string, FetchStatus>;
+  errors: Map<string, AxiosError>;
+}>;
+
+const defaultState: RosState = {
+  byId: new Map(),
+  fetchStatus: new Map(),
+  errors: new Map(),
+};
+
+export type RosAction = ActionType<
+  typeof fetchRosFailure | typeof fetchRosRequest | typeof fetchRosSuccess | typeof resetState
+>;
+
+export function rosReducer(state = defaultState, action: RosAction): RosState {
+  switch (action.type) {
+    case getType(resetState):
+      state = defaultState;
+      return state;
+
+    case getType(fetchRosRequest):
+      return {
+        ...state,
+        fetchStatus: new Map(state.fetchStatus).set(action.payload.fetchId, FetchStatus.inProgress),
+      };
+
+    case getType(fetchRosSuccess):
+      return {
+        ...state,
+        fetchStatus: new Map(state.fetchStatus).set(action.meta.fetchId, FetchStatus.complete),
+        byId: new Map(state.byId).set(action.meta.fetchId, {
+          ...action.payload,
+          timeRequested: Date.now(),
+        }),
+        errors: new Map(state.errors).set(action.meta.fetchId, null),
+      };
+
+    case getType(fetchRosFailure):
+      return {
+        ...state,
+        fetchStatus: new Map(state.fetchStatus).set(action.meta.fetchId, FetchStatus.complete),
+        errors: new Map(state.errors).set(action.meta.fetchId, action.payload),
+      };
+    default:
+      return state;
+  }
+}
diff --git a/src/store/ros/rosSelectors.ts b/src/store/ros/rosSelectors.ts
new file mode 100644
index 000000000..883211d6b
--- /dev/null
+++ b/src/store/ros/rosSelectors.ts
@@ -0,0 +1,23 @@
+import type { RosPathsType, RosType } from 'api/ros/ros';
+import type { RootState } from 'store/rootReducer';
+
+import { getFetchId, rosStateKey } from './rosCommon';
+
+export const selectRosState = (state: RootState) => state[rosStateKey];
+
+export const selectRos = (state: RootState, rosPathsType: RosPathsType, rosType: RosType, rosQueryString: string) =>
+  selectRosState(state).byId.get(getFetchId(rosPathsType, rosType, rosQueryString));
+
+export const selectRosFetchStatus = (
+  state: RootState,
+  rosPathsType: RosPathsType,
+  rosType: RosType,
+  rosQueryString: string
+) => selectRosState(state).fetchStatus.get(getFetchId(rosPathsType, rosType, rosQueryString));
+
+export const selectRosError = (
+  state: RootState,
+  rosPathsType: RosPathsType,
+  rosType: RosType,
+  rosQueryString: string
+) => selectRosState(state).errors.get(getFetchId(rosPathsType, rosType, rosQueryString));