diff --git a/src/container/types.ts b/src/container/types.ts
index f5fc3ba8..9afa2de0 100644
--- a/src/container/types.ts
+++ b/src/container/types.ts
@@ -12,6 +12,9 @@ import { ShortUrlsList } from '../short-urls/reducers/shortUrlsList';
 import { TagDeletion } from '../tags/reducers/tagDelete';
 import { TagEdition } from '../tags/reducers/tagEdit';
 import { TagsList } from '../tags/reducers/tagsList';
+import { ShortUrlDetail } from '../visits/reducers/shortUrlDetail';
+import { ShortUrlVisits } from '../visits/reducers/shortUrlVisits';
+import { TagVisits } from '../visits/reducers/tagVisits';
 
 export interface ShlinkState {
   servers: ServersMap;
@@ -23,9 +26,9 @@ export interface ShlinkState {
   shortUrlTags: ShortUrlTags;
   shortUrlMeta: ShortUrlMetaEdition;
   shortUrlEdition: ShortUrlEdition;
-  shortUrlVisits: any;
-  tagVisits: any;
-  shortUrlDetail: any;
+  shortUrlVisits: ShortUrlVisits;
+  tagVisits: TagVisits;
+  shortUrlDetail: ShortUrlDetail;
   tagsList: TagsList;
   tagDelete: TagDeletion;
   tagEdit: TagEdition;
diff --git a/src/utils/services/types.ts b/src/utils/services/types.ts
index 5e446c55..0f9062f7 100644
--- a/src/utils/services/types.ts
+++ b/src/utils/services/types.ts
@@ -1,3 +1,5 @@
+import { Visit } from '../../visits/types'; // FIXME Should be defined here
+
 export interface ShlinkMercureInfo {
   token: string;
   mercureHubUrl: string;
@@ -16,7 +18,17 @@ interface ShlinkTagsStats {
 
 export interface ShlinkTags {
   tags: string[];
-  stats?: ShlinkTagsStats[];
+  stats?: ShlinkTagsStats[]; // TODO Is only optional in old versions
+}
+
+export interface ShlinkPaginator {
+  currentPage: number;
+  pagesCount: number;
+}
+
+export interface ShlinkVisits {
+  data: Visit[];
+  pagination?: ShlinkPaginator; // TODO Is only optional in old versions
 }
 
 export interface ProblemDetailsError {
diff --git a/src/visits/reducers/common.js b/src/visits/reducers/common.ts
similarity index 57%
rename from src/visits/reducers/common.js
rename to src/visits/reducers/common.ts
index 3b150dcc..4270d12e 100644
--- a/src/visits/reducers/common.js
+++ b/src/visits/reducers/common.ts
@@ -1,15 +1,55 @@
 import { flatten, prop, range, splitEvery } from 'ramda';
+import { Action, Dispatch } from 'redux';
+import { ShlinkPaginator, ShlinkVisits } from '../../utils/services/types';
+import { GetState } from '../../container/types';
+import { Visit } from '../types';
 
 const ITEMS_PER_PAGE = 5000;
 const PARALLEL_REQUESTS_COUNT = 4;
 const PARALLEL_STARTING_PAGE = 2;
 
-const isLastPage = ({ currentPage, pagesCount }) => currentPage >= pagesCount;
-const calcProgress = (total, current) => current * 100 / total;
+const isLastPage = ({ currentPage, pagesCount }: ShlinkPaginator): boolean => currentPage >= pagesCount;
+const calcProgress = (total: number, current: number): number => current * 100 / total;
 
-export const getVisitsWithLoader = async (visitsLoader, extraFinishActionData, actionMap, dispatch, getState) => {
+type VisitsLoader = (page: number, itemsPerPage: number) => Promise<ShlinkVisits>;
+interface ActionMap {
+  start: string;
+  large: string;
+  finish: string;
+  error: string;
+  progress: string;
+}
+
+export const getVisitsWithLoader = async <T extends Action<string> & { visits: Visit[] }>(
+  visitsLoader: VisitsLoader,
+  extraFinishActionData: Partial<T>,
+  actionMap: ActionMap,
+  dispatch: Dispatch,
+  getState: GetState,
+) => {
   dispatch({ type: actionMap.start });
 
+  const loadVisitsInParallel = async (pages: number[]): Promise<Visit[]> =>
+    Promise.all(pages.map(async (page) => visitsLoader(page, ITEMS_PER_PAGE).then(prop('data')))).then(flatten);
+
+  const loadPagesBlocks = async (pagesBlocks: number[][], index = 0): Promise<Visit[]> => {
+    const { shortUrlVisits: { cancelLoad } } = getState();
+
+    if (cancelLoad) {
+      return [];
+    }
+
+    const data = await loadVisitsInParallel(pagesBlocks[index]);
+
+    dispatch({ type: actionMap.progress, progress: calcProgress(pagesBlocks.length, index + PARALLEL_STARTING_PAGE) });
+
+    if (index < pagesBlocks.length - 1) {
+      return data.concat(await loadPagesBlocks(pagesBlocks, index + 1));
+    }
+
+    return data;
+  };
+
   const loadVisits = async (page = 1) => {
     const { pagination, data } = await visitsLoader(page, ITEMS_PER_PAGE);
 
@@ -29,27 +69,6 @@ export const getVisitsWithLoader = async (visitsLoader, extraFinishActionData, a
     return data.concat(await loadPagesBlocks(pagesBlocks));
   };
 
-  const loadPagesBlocks = async (pagesBlocks, index = 0) => {
-    const { shortUrlVisits: { cancelLoad } } = getState();
-
-    if (cancelLoad) {
-      return [];
-    }
-
-    const data = await loadVisitsInParallel(pagesBlocks[index]);
-
-    dispatch({ type: actionMap.progress, progress: calcProgress(pagesBlocks.length, index + PARALLEL_STARTING_PAGE) });
-
-    if (index < pagesBlocks.length - 1) {
-      return data.concat(await loadPagesBlocks(pagesBlocks, index + 1));
-    }
-
-    return data;
-  };
-
-  const loadVisitsInParallel = (pages) =>
-    Promise.all(pages.map((page) => visitsLoader(page, ITEMS_PER_PAGE).then(prop('data')))).then(flatten);
-
   try {
     const visits = await loadVisits();
 
diff --git a/src/visits/reducers/shortUrlDetail.js b/src/visits/reducers/shortUrlDetail.js
deleted file mode 100644
index 7612b7ab..00000000
--- a/src/visits/reducers/shortUrlDetail.js
+++ /dev/null
@@ -1,40 +0,0 @@
-import { handleActions } from 'redux-actions';
-import PropTypes from 'prop-types';
-import { shortUrlType } from '../../short-urls/reducers/shortUrlsList';
-
-/* eslint-disable padding-line-between-statements */
-export const GET_SHORT_URL_DETAIL_START = 'shlink/shortUrlDetail/GET_SHORT_URL_DETAIL_START';
-export const GET_SHORT_URL_DETAIL_ERROR = 'shlink/shortUrlDetail/GET_SHORT_URL_DETAIL_ERROR';
-export const GET_SHORT_URL_DETAIL = 'shlink/shortUrlDetail/GET_SHORT_URL_DETAIL';
-/* eslint-enable padding-line-between-statements */
-
-export const shortUrlDetailType = PropTypes.shape({
-  shortUrl: shortUrlType,
-  loading: PropTypes.bool,
-  error: PropTypes.bool,
-});
-
-const initialState = {
-  shortUrl: {},
-  loading: false,
-  error: false,
-};
-
-export default handleActions({
-  [GET_SHORT_URL_DETAIL_START]: () => ({ ...initialState, loading: true }),
-  [GET_SHORT_URL_DETAIL_ERROR]: () => ({ ...initialState, loading: false, error: true }),
-  [GET_SHORT_URL_DETAIL]: (state, { shortUrl }) => ({ ...initialState, shortUrl }),
-}, initialState);
-
-export const getShortUrlDetail = (buildShlinkApiClient) => (shortCode, domain) => async (dispatch, getState) => {
-  dispatch({ type: GET_SHORT_URL_DETAIL_START });
-  const { getShortUrl } = buildShlinkApiClient(getState);
-
-  try {
-    const shortUrl = await getShortUrl(shortCode, domain);
-
-    dispatch({ shortUrl, type: GET_SHORT_URL_DETAIL });
-  } catch (e) {
-    dispatch({ type: GET_SHORT_URL_DETAIL_ERROR });
-  }
-};
diff --git a/src/visits/reducers/shortUrlDetail.ts b/src/visits/reducers/shortUrlDetail.ts
new file mode 100644
index 00000000..177380df
--- /dev/null
+++ b/src/visits/reducers/shortUrlDetail.ts
@@ -0,0 +1,58 @@
+import PropTypes from 'prop-types';
+import { Action, Dispatch } from 'redux';
+import { shortUrlType } from '../../short-urls/reducers/shortUrlsList';
+import { ShortUrl } from '../../short-urls/data';
+import { buildReducer } from '../../utils/helpers/redux';
+import { ShlinkApiClientBuilder } from '../../utils/services/ShlinkApiClientBuilder';
+import { OptionalString } from '../../utils/utils';
+import { GetState } from '../../container/types';
+
+/* eslint-disable padding-line-between-statements */
+export const GET_SHORT_URL_DETAIL_START = 'shlink/shortUrlDetail/GET_SHORT_URL_DETAIL_START';
+export const GET_SHORT_URL_DETAIL_ERROR = 'shlink/shortUrlDetail/GET_SHORT_URL_DETAIL_ERROR';
+export const GET_SHORT_URL_DETAIL = 'shlink/shortUrlDetail/GET_SHORT_URL_DETAIL';
+/* eslint-enable padding-line-between-statements */
+
+/** @deprecated Use ShortUrlDetail interface instead */
+export const shortUrlDetailType = PropTypes.shape({
+  shortUrl: shortUrlType,
+  loading: PropTypes.bool,
+  error: PropTypes.bool,
+});
+
+export interface ShortUrlDetail {
+  shortUrl?: ShortUrl;
+  loading: boolean;
+  error: boolean;
+}
+
+export interface ShortUrlDetailAction extends Action<string> {
+  shortUrl: ShortUrl;
+}
+
+const initialState: ShortUrlDetail = {
+  loading: false,
+  error: false,
+};
+
+export default buildReducer<ShortUrlDetail, ShortUrlDetailAction>({
+  [GET_SHORT_URL_DETAIL_START]: () => ({ loading: true, error: false }),
+  [GET_SHORT_URL_DETAIL_ERROR]: () => ({ loading: false, error: true }),
+  [GET_SHORT_URL_DETAIL]: (_, { shortUrl }) => ({ shortUrl, ...initialState }),
+}, initialState);
+
+export const getShortUrlDetail = (buildShlinkApiClient: ShlinkApiClientBuilder) => (
+  shortCode: string,
+  domain: OptionalString,
+) => async (dispatch: Dispatch, getState: GetState) => {
+  dispatch({ type: GET_SHORT_URL_DETAIL_START });
+  const { getShortUrl } = buildShlinkApiClient(getState);
+
+  try {
+    const shortUrl = await getShortUrl(shortCode, domain);
+
+    dispatch<ShortUrlDetailAction>({ shortUrl, type: GET_SHORT_URL_DETAIL });
+  } catch (e) {
+    dispatch({ type: GET_SHORT_URL_DETAIL_ERROR });
+  }
+};
diff --git a/src/visits/reducers/shortUrlVisits.js b/src/visits/reducers/shortUrlVisits.ts
similarity index 59%
rename from src/visits/reducers/shortUrlVisits.js
rename to src/visits/reducers/shortUrlVisits.ts
index cbbdd081..339f37a9 100644
--- a/src/visits/reducers/shortUrlVisits.js
+++ b/src/visits/reducers/shortUrlVisits.ts
@@ -1,9 +1,14 @@
-import { createAction, handleActions } from 'redux-actions';
 import PropTypes from 'prop-types';
+import { Action, Dispatch } from 'redux';
 import { shortUrlMatches } from '../../short-urls/helpers';
-import { VisitType } from '../types';
+import { Visit, VisitsInfo, VisitsLoadProgressChangedAction, VisitType } from '../types';
+import { ShortUrlIdentifier } from '../../short-urls/data';
+import { buildActionCreator, buildReducer } from '../../utils/helpers/redux';
+import { ShlinkApiClientBuilder } from '../../utils/services/ShlinkApiClientBuilder';
+import { GetState } from '../../container/types';
+import { OptionalString } from '../../utils/utils';
 import { getVisitsWithLoader } from './common';
-import { CREATE_VISIT } from './visitCreation';
+import { CREATE_VISIT, CreateVisitAction } from './visitCreation';
 
 /* eslint-disable padding-line-between-statements */
 export const GET_SHORT_URL_VISITS_START = 'shlink/shortUrlVisits/GET_SHORT_URL_VISITS_START';
@@ -14,7 +19,8 @@ export const GET_SHORT_URL_VISITS_CANCEL = 'shlink/shortUrlVisits/GET_SHORT_URL_
 export const GET_SHORT_URL_VISITS_PROGRESS_CHANGED = 'shlink/shortUrlVisits/GET_SHORT_URL_VISITS_PROGRESS_CHANGED';
 /* eslint-enable padding-line-between-statements */
 
-export const shortUrlVisitsType = PropTypes.shape({ // TODO Should extend from VisitInfoType
+/** @deprecated Use ShortUrlVisits interface instead */
+export const shortUrlVisitsType = PropTypes.shape({
   visits: PropTypes.arrayOf(VisitType),
   shortCode: PropTypes.string,
   domain: PropTypes.string,
@@ -24,7 +30,15 @@ export const shortUrlVisitsType = PropTypes.shape({ // TODO Should extend from V
   progress: PropTypes.number,
 });
 
-const initialState = {
+export interface ShortUrlVisits extends VisitsInfo, ShortUrlIdentifier {}
+
+interface ShortUrlVisitsAction extends Action<string>, ShortUrlIdentifier {
+  visits: Visit[];
+}
+
+type ShortUrlVisitsCombinedAction = ShortUrlVisitsAction & VisitsLoadProgressChangedAction & CreateVisitAction;
+
+const initialState: ShortUrlVisits = {
   visits: [],
   shortCode: '',
   domain: undefined,
@@ -35,10 +49,10 @@ const initialState = {
   progress: 0,
 };
 
-export default handleActions({
+export default buildReducer<ShortUrlVisits, ShortUrlVisitsCombinedAction>({
   [GET_SHORT_URL_VISITS_START]: () => ({ ...initialState, loading: true }),
   [GET_SHORT_URL_VISITS_ERROR]: () => ({ ...initialState, error: true }),
-  [GET_SHORT_URL_VISITS]: (state, { visits, shortCode, domain }) => ({
+  [GET_SHORT_URL_VISITS]: (_, { visits, shortCode, domain }) => ({
     ...initialState,
     visits,
     shortCode,
@@ -58,10 +72,16 @@ export default handleActions({
   },
 }, initialState);
 
-export const getShortUrlVisits = (buildShlinkApiClient) => (shortCode, query = {}) => (dispatch, getState) => {
+export const getShortUrlVisits = (buildShlinkApiClient: ShlinkApiClientBuilder) => (
+  shortCode: string,
+  query: { domain?: OptionalString } = {},
+) => async (dispatch: Dispatch, getState: GetState) => {
   const { getShortUrlVisits } = buildShlinkApiClient(getState);
-  const visitsLoader = (page, itemsPerPage) => getShortUrlVisits(shortCode, { ...query, page, itemsPerPage });
-  const extraFinishActionData = { shortCode, domain: query.domain };
+  const visitsLoader = (page: number, itemsPerPage: number) => getShortUrlVisits(
+    shortCode,
+    { ...query, page, itemsPerPage },
+  );
+  const extraFinishActionData: Partial<ShortUrlVisitsAction> = { shortCode, domain: query.domain };
   const actionMap = {
     start: GET_SHORT_URL_VISITS_START,
     large: GET_SHORT_URL_VISITS_LARGE,
@@ -73,4 +93,4 @@ export const getShortUrlVisits = (buildShlinkApiClient) => (shortCode, query = {
   return getVisitsWithLoader(visitsLoader, extraFinishActionData, actionMap, dispatch, getState);
 };
 
-export const cancelGetShortUrlVisits = createAction(GET_SHORT_URL_VISITS_CANCEL);
+export const cancelGetShortUrlVisits = buildActionCreator(GET_SHORT_URL_VISITS_CANCEL);
diff --git a/src/visits/reducers/tagVisits.js b/src/visits/reducers/tagVisits.ts
similarity index 59%
rename from src/visits/reducers/tagVisits.js
rename to src/visits/reducers/tagVisits.ts
index d149322b..ab1d0379 100644
--- a/src/visits/reducers/tagVisits.js
+++ b/src/visits/reducers/tagVisits.ts
@@ -1,8 +1,11 @@
-import { createAction, handleActions } from 'redux-actions';
 import PropTypes from 'prop-types';
-import { VisitType } from '../types';
+import { Action, Dispatch } from 'redux';
+import { Visit, VisitsInfo, VisitsLoadProgressChangedAction, VisitType } from '../types';
+import { buildActionCreator, buildReducer } from '../../utils/helpers/redux';
+import { ShlinkApiClientBuilder } from '../../utils/services/ShlinkApiClientBuilder';
+import { GetState } from '../../container/types';
 import { getVisitsWithLoader } from './common';
-import { CREATE_VISIT } from './visitCreation';
+import { CREATE_VISIT, CreateVisitAction } from './visitCreation';
 
 /* eslint-disable padding-line-between-statements */
 export const GET_TAG_VISITS_START = 'shlink/tagVisits/GET_TAG_VISITS_START';
@@ -13,7 +16,8 @@ export const GET_TAG_VISITS_CANCEL = 'shlink/tagVisits/GET_TAG_VISITS_CANCEL';
 export const GET_TAG_VISITS_PROGRESS_CHANGED = 'shlink/tagVisits/GET_TAG_VISITS_PROGRESS_CHANGED';
 /* eslint-enable padding-line-between-statements */
 
-export const TagVisitsType = PropTypes.shape({ // TODO Should extend from VisitInfoType
+/** @deprecated Use TagVisits interface instead */
+export const TagVisitsType = PropTypes.shape({
   visits: PropTypes.arrayOf(VisitType),
   tag: PropTypes.string,
   loading: PropTypes.bool,
@@ -22,7 +26,16 @@ export const TagVisitsType = PropTypes.shape({ // TODO Should extend from VisitI
   progress: PropTypes.number,
 });
 
-const initialState = {
+export interface TagVisits extends VisitsInfo {
+  tag: string;
+}
+
+export interface TagVisitsAction extends Action<string> {
+  visits: Visit[];
+  tag: string;
+}
+
+const initialState: TagVisits = {
   visits: [],
   tag: '',
   loading: false,
@@ -32,10 +45,10 @@ const initialState = {
   progress: 0,
 };
 
-export default handleActions({
+export default buildReducer<TagVisits, TagVisitsAction & VisitsLoadProgressChangedAction & CreateVisitAction>({
   [GET_TAG_VISITS_START]: () => ({ ...initialState, loading: true }),
   [GET_TAG_VISITS_ERROR]: () => ({ ...initialState, error: true }),
-  [GET_TAG_VISITS]: (state, { visits, tag }) => ({ ...initialState, visits, tag }),
+  [GET_TAG_VISITS]: (_, { visits, tag }) => ({ ...initialState, visits, tag }),
   [GET_TAG_VISITS_LARGE]: (state) => ({ ...state, loadingLarge: true }),
   [GET_TAG_VISITS_CANCEL]: (state) => ({ ...state, cancelLoad: true }),
   [GET_TAG_VISITS_PROGRESS_CHANGED]: (state, { progress }) => ({ ...state, progress }),
@@ -50,10 +63,13 @@ export default handleActions({
   },
 }, initialState);
 
-export const getTagVisits = (buildShlinkApiClient) => (tag, query = {}) => (dispatch, getState) => {
+export const getTagVisits = (buildShlinkApiClient: ShlinkApiClientBuilder) => (tag: string, query = {}) => async (
+  dispatch: Dispatch,
+  getState: GetState,
+) => {
   const { getTagVisits } = buildShlinkApiClient(getState);
-  const visitsLoader = (page, itemsPerPage) => getTagVisits(tag, { ...query, page, itemsPerPage });
-  const extraFinishActionData = { tag };
+  const visitsLoader = (page: number, itemsPerPage: number) => getTagVisits(tag, { ...query, page, itemsPerPage });
+  const extraFinishActionData: Partial<TagVisitsAction> = { tag };
   const actionMap = {
     start: GET_TAG_VISITS_START,
     large: GET_TAG_VISITS_LARGE,
@@ -65,4 +81,4 @@ export const getTagVisits = (buildShlinkApiClient) => (tag, query = {}) => (disp
   return getVisitsWithLoader(visitsLoader, extraFinishActionData, actionMap, dispatch, getState);
 };
 
-export const cancelGetTagVisits = createAction(GET_TAG_VISITS_CANCEL);
+export const cancelGetTagVisits = buildActionCreator(GET_TAG_VISITS_CANCEL);
diff --git a/src/visits/types/index.ts b/src/visits/types/index.ts
index 7ade9fd9..b66ee1c4 100644
--- a/src/visits/types/index.ts
+++ b/src/visits/types/index.ts
@@ -1,5 +1,6 @@
 import PropTypes from 'prop-types';
 import { ShortUrl } from '../../short-urls/data';
+import { Action } from 'redux';
 
 /** @deprecated Use Visit interface instead */
 export const VisitType = PropTypes.shape({
@@ -33,6 +34,11 @@ export interface VisitsInfo {
   loadingLarge: boolean;
   error: boolean;
   progress: number;
+  cancelLoad: boolean;
+}
+
+export interface VisitsLoadProgressChangedAction extends Action<string> {
+  progress: number;
 }
 
 interface VisitLocation {
diff --git a/test/visits/reducers/shortUrlDetail.test.js b/test/visits/reducers/shortUrlDetail.test.ts
similarity index 65%
rename from test/visits/reducers/shortUrlDetail.test.js
rename to test/visits/reducers/shortUrlDetail.test.ts
index fb0555c9..582dd2d1 100644
--- a/test/visits/reducers/shortUrlDetail.test.js
+++ b/test/visits/reducers/shortUrlDetail.test.ts
@@ -1,21 +1,28 @@
+import { Mock } from 'ts-mockery';
 import reducer, {
   getShortUrlDetail,
   GET_SHORT_URL_DETAIL_START,
   GET_SHORT_URL_DETAIL_ERROR,
   GET_SHORT_URL_DETAIL,
+  ShortUrlDetailAction,
 } from '../../../src/visits/reducers/shortUrlDetail';
+import { ShortUrl } from '../../../src/short-urls/data';
+import ShlinkApiClient from '../../../src/utils/services/ShlinkApiClient';
+import { ShlinkState } from '../../../src/container/types';
 
 describe('shortUrlDetailReducer', () => {
   describe('reducer', () => {
+    const action = (type: string) => Mock.of<ShortUrlDetailAction>({ type });
+
     it('returns loading on GET_SHORT_URL_DETAIL_START', () => {
-      const state = reducer({ loading: false }, { type: GET_SHORT_URL_DETAIL_START });
+      const state = reducer({ loading: false, error: false }, action(GET_SHORT_URL_DETAIL_START));
       const { loading } = state;
 
       expect(loading).toEqual(true);
     });
 
     it('stops loading and returns error on GET_SHORT_URL_DETAIL_ERROR', () => {
-      const state = reducer({ loading: true, error: false }, { type: GET_SHORT_URL_DETAIL_ERROR });
+      const state = reducer({ loading: true, error: false }, action(GET_SHORT_URL_DETAIL_ERROR));
       const { loading, error } = state;
 
       expect(loading).toEqual(false);
@@ -23,7 +30,7 @@ describe('shortUrlDetailReducer', () => {
     });
 
     it('return short URL on GET_SHORT_URL_DETAIL', () => {
-      const actionShortUrl = { longUrl: 'foo', shortCode: 'bar' };
+      const actionShortUrl = Mock.of<ShortUrl>({ longUrl: 'foo', shortCode: 'bar' });
       const state = reducer({ loading: true, error: false }, { type: GET_SHORT_URL_DETAIL, shortUrl: actionShortUrl });
       const { loading, error, shortUrl } = state;
 
@@ -34,18 +41,18 @@ describe('shortUrlDetailReducer', () => {
   });
 
   describe('getShortUrlDetail', () => {
-    const buildApiClientMock = (returned) => ({
-      getShortUrl: jest.fn(() => returned),
+    const buildApiClientMock = (returned: Promise<ShortUrl>) => Mock.of<ShlinkApiClient>({
+      getShortUrl: jest.fn(async () => returned),
     });
     const dispatchMock = jest.fn();
-    const getState = () => ({});
+    const getState = () => Mock.of<ShlinkState>();
 
     beforeEach(() => dispatchMock.mockReset());
 
     it('dispatches start and error when promise is rejected', async () => {
       const ShlinkApiClient = buildApiClientMock(Promise.reject());
 
-      await getShortUrlDetail(() => ShlinkApiClient)('abc123')(dispatchMock, getState);
+      await getShortUrlDetail(() => ShlinkApiClient)('abc123', '')(dispatchMock, getState);
 
       expect(dispatchMock).toHaveBeenCalledTimes(2);
       expect(dispatchMock).toHaveBeenNthCalledWith(1, { type: GET_SHORT_URL_DETAIL_START });
@@ -54,10 +61,10 @@ describe('shortUrlDetailReducer', () => {
     });
 
     it('dispatches start and success when promise is resolved', async () => {
-      const resolvedShortUrl = { longUrl: 'foo', shortCode: 'bar' };
+      const resolvedShortUrl = Mock.of<ShortUrl>({ longUrl: 'foo', shortCode: 'bar' });
       const ShlinkApiClient = buildApiClientMock(Promise.resolve(resolvedShortUrl));
 
-      await getShortUrlDetail(() => ShlinkApiClient)('abc123')(dispatchMock, getState);
+      await getShortUrlDetail(() => ShlinkApiClient)('abc123', '')(dispatchMock, getState);
 
       expect(dispatchMock).toHaveBeenCalledTimes(2);
       expect(dispatchMock).toHaveBeenNthCalledWith(1, { type: GET_SHORT_URL_DETAIL_START });
diff --git a/test/visits/reducers/shortUrlVisits.test.js b/test/visits/reducers/shortUrlVisits.test.ts
similarity index 66%
rename from test/visits/reducers/shortUrlVisits.test.js
rename to test/visits/reducers/shortUrlVisits.test.ts
index 0c295a12..e71bc38c 100644
--- a/test/visits/reducers/shortUrlVisits.test.js
+++ b/test/visits/reducers/shortUrlVisits.test.ts
@@ -1,3 +1,4 @@
+import { Mock } from 'ts-mockery';
 import reducer, {
   getShortUrlVisits,
   cancelGetShortUrlVisits,
@@ -7,34 +8,44 @@ import reducer, {
   GET_SHORT_URL_VISITS_LARGE,
   GET_SHORT_URL_VISITS_CANCEL,
   GET_SHORT_URL_VISITS_PROGRESS_CHANGED,
+  ShortUrlVisits,
 } from '../../../src/visits/reducers/shortUrlVisits';
 import { CREATE_VISIT } from '../../../src/visits/reducers/visitCreation';
+import { rangeOf } from '../../../src/utils/utils';
+import { Visit } from '../../../src/visits/types';
+import { ShlinkVisits } from '../../../src/utils/services/types';
+import ShlinkApiClient from '../../../src/utils/services/ShlinkApiClient';
+import { ShlinkState } from '../../../src/container/types';
 
 describe('shortUrlVisitsReducer', () => {
+  const visitsMocks = rangeOf(2, () => Mock.all<Visit>());
+
   describe('reducer', () => {
+    const buildState = (data: Partial<ShortUrlVisits>) => Mock.of<ShortUrlVisits>(data);
+
     it('returns loading on GET_SHORT_URL_VISITS_START', () => {
-      const state = reducer({ loading: false }, { type: GET_SHORT_URL_VISITS_START });
+      const state = reducer(buildState({ loading: false }), { type: GET_SHORT_URL_VISITS_START } as any);
       const { loading } = state;
 
       expect(loading).toEqual(true);
     });
 
     it('returns loadingLarge on GET_SHORT_URL_VISITS_LARGE', () => {
-      const state = reducer({ loadingLarge: false }, { type: GET_SHORT_URL_VISITS_LARGE });
+      const state = reducer(buildState({ loadingLarge: false }), { type: GET_SHORT_URL_VISITS_LARGE } as any);
       const { loadingLarge } = state;
 
       expect(loadingLarge).toEqual(true);
     });
 
     it('returns cancelLoad on GET_SHORT_URL_VISITS_CANCEL', () => {
-      const state = reducer({ cancelLoad: false }, { type: GET_SHORT_URL_VISITS_CANCEL });
+      const state = reducer(buildState({ cancelLoad: false }), { type: GET_SHORT_URL_VISITS_CANCEL } as any);
       const { cancelLoad } = state;
 
       expect(cancelLoad).toEqual(true);
     });
 
     it('stops loading and returns error on GET_SHORT_URL_VISITS_ERROR', () => {
-      const state = reducer({ loading: true, error: false }, { type: GET_SHORT_URL_VISITS_ERROR });
+      const state = reducer(buildState({ loading: true, error: false }), { type: GET_SHORT_URL_VISITS_ERROR } as any);
       const { loading, error } = state;
 
       expect(loading).toEqual(false);
@@ -43,7 +54,10 @@ describe('shortUrlVisitsReducer', () => {
 
     it('return visits on GET_SHORT_URL_VISITS', () => {
       const actionVisits = [{}, {}];
-      const state = reducer({ loading: true, error: false }, { type: GET_SHORT_URL_VISITS, visits: actionVisits });
+      const state = reducer(
+        buildState({ loading: true, error: false }),
+        { type: GET_SHORT_URL_VISITS, visits: actionVisits } as any,
+      );
       const { loading, error, visits } = state;
 
       expect(loading).toEqual(false);
@@ -52,42 +66,44 @@ describe('shortUrlVisitsReducer', () => {
     });
 
     it.each([
-      [{ shortCode: 'abc123' }, [{}, {}, {}]],
-      [{ shortCode: 'def456' }, [{}, {}]],
+      [{ shortCode: 'abc123' }, [ ...visitsMocks, {}]],
+      [{ shortCode: 'def456' }, visitsMocks ],
     ])('appends a new visit on CREATE_VISIT', (state, expectedVisits) => {
       const shortUrl = {
         shortCode: 'abc123',
       };
-      const prevState = {
+      const prevState = buildState({
         ...state,
-        visits: [{}, {}],
-      };
+        visits: visitsMocks,
+      });
 
-      const { visits } = reducer(prevState, { type: CREATE_VISIT, shortUrl, visit: {} });
+      const { visits } = reducer(prevState, { type: CREATE_VISIT, shortUrl, visit: {} } as any);
 
       expect(visits).toEqual(expectedVisits);
     });
 
     it('returns new progress on GET_SHORT_URL_VISITS_PROGRESS_CHANGED', () => {
-      const state = reducer({}, { type: GET_SHORT_URL_VISITS_PROGRESS_CHANGED, progress: 85 });
+      const state = reducer(undefined, { type: GET_SHORT_URL_VISITS_PROGRESS_CHANGED, progress: 85 } as any);
 
-      expect(state).toEqual({ progress: 85 });
+      expect(state).toEqual(expect.objectContaining({ progress: 85 }));
     });
   });
 
   describe('getShortUrlVisits', () => {
-    const buildApiClientMock = (returned) => ({
-      getShortUrlVisits: jest.fn(typeof returned === 'function' ? returned : () => returned),
+    type GetVisitsReturn = Promise<ShlinkVisits> | ((shortCode: string, query: any) => Promise<ShlinkVisits>);
+
+    const buildApiClientMock = (returned: GetVisitsReturn) => Mock.of<ShlinkApiClient>({
+      getShortUrlVisits: jest.fn(typeof returned === 'function' ? returned : async () => returned),
     });
     const dispatchMock = jest.fn();
-    const getState = () => ({
-      shortUrlVisits: { cancelVisits: false },
+    const getState = () => Mock.of<ShlinkState>({
+      shortUrlVisits: Mock.of<ShortUrlVisits>({ cancelLoad: false }),
     });
 
     beforeEach(() => dispatchMock.mockReset());
 
     it('dispatches start and error when promise is rejected', async () => {
-      const ShlinkApiClient = buildApiClientMock(Promise.reject());
+      const ShlinkApiClient = buildApiClientMock(Promise.reject() as any);
 
       await getShortUrlVisits(() => ShlinkApiClient)('abc123')(dispatchMock, getState);
 
@@ -102,10 +118,10 @@ describe('shortUrlVisitsReducer', () => {
       [{}, undefined ],
       [{ domain: 'foobar.com' }, 'foobar.com' ],
     ])('dispatches start and success when promise is resolved', async (query, domain) => {
-      const visits = [{}, {}];
+      const visits = visitsMocks;
       const shortCode = 'abc123';
       const ShlinkApiClient = buildApiClientMock(Promise.resolve({
-        data: visits,
+        data: visitsMocks,
         pagination: {
           currentPage: 1,
           pagesCount: 1,
@@ -122,9 +138,9 @@ describe('shortUrlVisitsReducer', () => {
 
     it('performs multiple API requests when response contains more pages', async () => {
       const expectedRequests = 3;
-      const ShlinkApiClient = buildApiClientMock((shortCode, { page }) =>
+      const ShlinkApiClient = buildApiClientMock(async (_, { page }) =>
         Promise.resolve({
-          data: [{}, {}],
+          data: visitsMocks,
           pagination: {
             currentPage: page,
             pagesCount: expectedRequests,
@@ -135,7 +151,7 @@ describe('shortUrlVisitsReducer', () => {
 
       expect(ShlinkApiClient.getShortUrlVisits).toHaveBeenCalledTimes(expectedRequests);
       expect(dispatchMock).toHaveBeenNthCalledWith(3, expect.objectContaining({
-        visits: [{}, {}, {}, {}, {}, {}],
+        visits: [ ...visitsMocks, ...visitsMocks, ...visitsMocks ],
       }));
     });
   });
diff --git a/test/visits/reducers/tagVisits.test.js b/test/visits/reducers/tagVisits.test.ts
similarity index 64%
rename from test/visits/reducers/tagVisits.test.js
rename to test/visits/reducers/tagVisits.test.ts
index b39444eb..d7fc93c6 100644
--- a/test/visits/reducers/tagVisits.test.js
+++ b/test/visits/reducers/tagVisits.test.ts
@@ -1,3 +1,4 @@
+import { Mock } from 'ts-mockery';
 import reducer, {
   getTagVisits,
   cancelGetTagVisits,
@@ -7,34 +8,44 @@ import reducer, {
   GET_TAG_VISITS_LARGE,
   GET_TAG_VISITS_CANCEL,
   GET_TAG_VISITS_PROGRESS_CHANGED,
+  TagVisits,
 } from '../../../src/visits/reducers/tagVisits';
 import { CREATE_VISIT } from '../../../src/visits/reducers/visitCreation';
+import { rangeOf } from '../../../src/utils/utils';
+import { Visit } from '../../../src/visits/types';
+import { ShlinkVisits } from '../../../src/utils/services/types';
+import ShlinkApiClient from '../../../src/utils/services/ShlinkApiClient';
+import { ShlinkState } from '../../../src/container/types';
 
 describe('tagVisitsReducer', () => {
+  const visitsMocks = rangeOf(2, () => Mock.all<Visit>());
+
   describe('reducer', () => {
+    const buildState = (data: Partial<TagVisits>) => Mock.of<TagVisits>(data);
+
     it('returns loading on GET_TAG_VISITS_START', () => {
-      const state = reducer({ loading: false }, { type: GET_TAG_VISITS_START });
+      const state = reducer(buildState({ loading: false }), { type: GET_TAG_VISITS_START } as any);
       const { loading } = state;
 
       expect(loading).toEqual(true);
     });
 
     it('returns loadingLarge on GET_TAG_VISITS_LARGE', () => {
-      const state = reducer({ loadingLarge: false }, { type: GET_TAG_VISITS_LARGE });
+      const state = reducer(buildState({ loadingLarge: false }), { type: GET_TAG_VISITS_LARGE } as any);
       const { loadingLarge } = state;
 
       expect(loadingLarge).toEqual(true);
     });
 
     it('returns cancelLoad on GET_TAG_VISITS_CANCEL', () => {
-      const state = reducer({ cancelLoad: false }, { type: GET_TAG_VISITS_CANCEL });
+      const state = reducer(buildState({ cancelLoad: false }), { type: GET_TAG_VISITS_CANCEL } as any);
       const { cancelLoad } = state;
 
       expect(cancelLoad).toEqual(true);
     });
 
     it('stops loading and returns error on GET_TAG_VISITS_ERROR', () => {
-      const state = reducer({ loading: true, error: false }, { type: GET_TAG_VISITS_ERROR });
+      const state = reducer(buildState({ loading: true, error: false }), { type: GET_TAG_VISITS_ERROR } as any);
       const { loading, error } = state;
 
       expect(loading).toEqual(false);
@@ -43,7 +54,10 @@ describe('tagVisitsReducer', () => {
 
     it('return visits on GET_TAG_VISITS', () => {
       const actionVisits = [{}, {}];
-      const state = reducer({ loading: true, error: false }, { type: GET_TAG_VISITS, visits: actionVisits });
+      const state = reducer(
+        buildState({ loading: true, error: false }),
+        { type: GET_TAG_VISITS, visits: actionVisits } as any,
+      );
       const { loading, error, visits } = state;
 
       expect(loading).toEqual(false);
@@ -52,36 +66,38 @@ describe('tagVisitsReducer', () => {
     });
 
     it.each([
-      [{ tag: 'foo' }, [{}, {}, {}]],
-      [{ tag: 'bar' }, [{}, {}]],
+      [{ tag: 'foo' }, [ ...visitsMocks, {}]],
+      [{ tag: 'bar' }, visitsMocks ],
     ])('appends a new visit on CREATE_VISIT', (state, expectedVisits) => {
       const shortUrl = {
         tags: [ 'foo', 'baz' ],
       };
-      const prevState = {
+      const prevState = buildState({
         ...state,
-        visits: [{}, {}],
-      };
+        visits: visitsMocks,
+      });
 
-      const { visits } = reducer(prevState, { type: CREATE_VISIT, shortUrl, visit: {} });
+      const { visits } = reducer(prevState, { type: CREATE_VISIT, shortUrl, visit: {} } as any);
 
       expect(visits).toEqual(expectedVisits);
     });
 
     it('returns new progress on GET_TAG_VISITS_PROGRESS_CHANGED', () => {
-      const state = reducer({}, { type: GET_TAG_VISITS_PROGRESS_CHANGED, progress: 85 });
+      const state = reducer(undefined, { type: GET_TAG_VISITS_PROGRESS_CHANGED, progress: 85 } as any);
 
-      expect(state).toEqual({ progress: 85 });
+      expect(state).toEqual(expect.objectContaining({ progress: 85 }));
     });
   });
 
   describe('getTagVisits', () => {
-    const buildApiClientMock = (returned) => ({
-      getTagVisits: jest.fn(typeof returned === 'function' ? returned : () => returned),
+    type GetVisitsReturn = Promise<ShlinkVisits> | ((shortCode: string, query: any) => Promise<ShlinkVisits>);
+
+    const buildApiClientMock = (returned: GetVisitsReturn) => Mock.of<ShlinkApiClient>({
+      getTagVisits: jest.fn(typeof returned === 'function' ? returned : async () => returned),
     });
     const dispatchMock = jest.fn();
-    const getState = () => ({
-      tagVisits: { cancelVisits: false },
+    const getState = () => Mock.of<ShlinkState>({
+      tagVisits: { cancelLoad: false },
     });
 
     beforeEach(jest.resetAllMocks);
@@ -101,10 +117,10 @@ describe('tagVisitsReducer', () => {
       [ undefined ],
       [{}],
     ])('dispatches start and success when promise is resolved', async (query) => {
-      const visits = [{}, {}];
+      const visits = visitsMocks;
       const tag = 'foo';
       const ShlinkApiClient = buildApiClientMock(Promise.resolve({
-        data: visits,
+        data: visitsMocks,
         pagination: {
           currentPage: 1,
           pagesCount: 1,