diff --git a/src/api/index.js b/src/api/index.js
index dbf1fc7fa..6d0f50258 100644
--- a/src/api/index.js
+++ b/src/api/index.js
@@ -6,424 +6,308 @@ import { abbreviateNumber } from 'utils';
 export const CLIENT_ID = '87c7f05700c052937cfb';
 export const CLIENT_SECRET = '3a70aee4d5e26c457720a31c3efe2f9062a4997a';
 
-export const root = 'https://api.github.com';
-export const USER_ENDPOINT = user => `${root}/users/${user}`;
-
-const accessTokenParameters = accessToken => ({
-  headers: {
-    Accept: 'application/vnd.github.v3+json',
-    Authorization: `token ${accessToken}`,
-    'Cache-Control': 'no-cache',
+const ACCEPT = {
+  JSON: 'application/vnd.github.v3+json',
+  HTML: 'application/vnd.github.v3.html+json',
+  DIFF: 'application/vnd.github.v3.diff+json',
+  RAW: 'application/vnd.github.v3.raw+json',
+};
+
+const METHOD = {
+  GET: 'GET',
+  HEAD: 'HEAD',
+  PUT: 'PUT',
+  DELETE: 'DELETE',
+  PATCH: 'PATCH',
+  POST: 'POST',
+};
+
+export const v3 = {
+  root: 'https://api.github.com',
+  call: async (url, parameters) => {
+    const finalUrl = url.indexOf(v3.root) === 0 ? url : `${v3.root}${url}`;
+    const response = await fetch(finalUrl, parameters);
+
+    return response;
   },
-});
-
-const accessTokenParametersHEAD = accessToken => ({
-  method: 'HEAD',
-  headers: {
-    Accept: 'application/vnd.github.v3+json',
-    Authorization: `token ${accessToken}`,
-    'Cache-Control': 'no-cache',
+  parameters: (
+    accessToken,
+    method = METHOD.GET,
+    accept = ACCEPT.JSON,
+    body = {}
+  ) => {
+    const withBody = [METHOD.PUT, METHOD.PATCH, METHOD.POST];
+    const params = {
+      method,
+      headers: {
+        Accept: accept,
+        Authorization: `token ${accessToken}`,
+        'Cache-Control': 'no-cache',
+      },
+    };
+
+    if (withBody.indexOf(method) !== -1) {
+      params.body = JSON.stringify(body);
+      if (method === METHOD.PUT) {
+        params.headers['Content-Length'] = 0;
+      }
+    }
+
+    return params;
   },
-});
+  count: async (url, accessToken) => {
+    const finalUrl =
+      url.indexOf('?') !== -1 ? `${url}&per_page=1` : `${url}?per_page=1`;
+    const response = await v3.get(finalUrl, accessToken);
 
-const accessTokenParametersPUT = (accessToken, body = {}) => ({
-  method: 'PUT',
-  headers: {
-    Accept: 'application/vnd.github.v3+json',
-    Authorization: `token ${accessToken}`,
-    'Content-Length': 0,
-  },
-  body: JSON.stringify(body),
-});
+    if (response.status === 404) {
+      return 0;
+    }
 
-const accessTokenParametersDELETE = accessToken => ({
-  method: 'DELETE',
-  headers: {
-    Accept: 'application/vnd.github.v3+json',
-    Authorization: `token ${accessToken}`,
-  },
-});
+    let linkHeader = response.headers.get('Link');
+    let number = 1;
 
-const accessTokenParametersPATCH = (editParams, accessToken) => ({
-  method: 'PATCH',
-  headers: {
-    Accept: 'application/vnd.github.v3+json',
-    Authorization: `token ${accessToken}`,
-  },
-  body: JSON.stringify(editParams),
-});
+    if (linkHeader !== null) {
+      linkHeader = linkHeader.match(/page=(\d)+/g).pop();
+      number = linkHeader.split('=').pop();
+    }
 
-const accessTokenParametersPOST = (accessToken, body) => ({
-  method: 'POST',
-  headers: {
-    Accept: 'application/vnd.github.v3+json',
-    Authorization: `token ${accessToken}`,
+    return abbreviateNumber(number);
   },
-  body: JSON.stringify(body),
-});
+  delete: async (url, accessToken) => {
+    const response = await v3.call(
+      url,
+      v3.parameters(accessToken, METHOD.DELETE)
+    );
 
-const accessTokenParametersHTML = accessToken => ({
-  headers: {
-    Accept: 'application/vnd.github.v3.html+json',
-    Authorization: `token ${accessToken}`,
+    return response;
   },
-});
+  get: async (url, accessToken) => {
+    const response = await v3.call(url, v3.parameters(accessToken));
 
-const accessTokenParametersDiff = accessToken => ({
-  headers: {
-    Accept: 'application/vnd.github.v3.diff+json',
-    Authorization: `token ${accessToken}`,
+    return response;
   },
-});
+  getDiff: async (url, accessToken) => {
+    const response = await v3.call(
+      url,
+      v3.parameters(accessToken, METHOD.GET, ACCEPT.DIFF)
+    );
 
-const accessTokenParametersRaw = accessToken => ({
-  headers: {
-    Accept: 'application/vnd.github.v3.raw+json',
-    Authorization: `token ${accessToken}`,
+    return response.text();
   },
-});
+  getHtml: async (url, accessToken) => {
+    const response = await v3.call(
+      url,
+      v3.parameters(accessToken, METHOD.GET, ACCEPT.HTML)
+    );
 
-const authParameters = (code, state) => ({
-  method: 'POST',
-  headers: {
-    Accept: 'application/json',
-    'Content-Type': 'application/json',
+    return response.text();
   },
-  body: JSON.stringify({
-    client_id: CLIENT_ID,
-    client_secret: CLIENT_SECRET,
-    code,
-    state,
-  }),
-});
-
-export async function fetchUrl(url, accessToken) {
-  const response = await fetch(url, accessTokenParameters(accessToken));
-
-  return response.json();
-}
-
-export async function fetchUrlNormal(url, accessToken) {
-  const response = await fetch(url, accessTokenParameters(accessToken));
-
-  return response;
-}
-
-export async function fetchUrlHead(url, accessToken) {
-  const response = await fetch(url, accessTokenParametersHEAD(accessToken));
-
-  return response;
-}
+  getJson: async (url, accessToken) => {
+    const response = await v3.call(url, v3.parameters(accessToken));
 
-export async function fetchUrlFile(url, accessToken) {
-  const response = await fetch(url, accessTokenParametersRaw(accessToken));
-
-  return response.text();
-}
-
-export async function fetchCommentHTML(url, accessToken) {
-  const response = await fetch(url, accessTokenParameters(accessToken));
-
-  return response.json();
-}
-
-export async function fetchAccessToken(code, state) {
-  const GITHUB_OAUTH_ENDPOINT = 'https://github.com/login/oauth/access_token';
-  const response = await fetch(
-    GITHUB_OAUTH_ENDPOINT,
-    authParameters(code, state)
-  );
-
-  return response.json();
-}
-
-export async function fetchAuthUser(accessToken) {
-  const FETCH_AUTH_USER_ENDPOINT = `${root}/user`;
-  const response = await fetch(
-    FETCH_AUTH_USER_ENDPOINT,
-    accessTokenParameters(accessToken)
-  );
-
-  return response.json();
-}
+    return response.json();
+  },
+  getRaw: async (url, accessToken) => {
+    const response = await v3.call(
+      url,
+      v3.parameters(accessToken, METHOD.GET, ACCEPT.RAW)
+    );
 
-export async function fetchAuthUserOrgs(accessToken) {
-  const ORGS_ENDPOINT = `${root}/user/orgs`;
-  const response = await fetch(
-    ORGS_ENDPOINT,
-    accessTokenParameters(accessToken)
-  );
+    return response.text();
+  },
+  head: async (url, accessToken) => {
+    const response = await v3.call(
+      url,
+      v3.parameters(accessToken, METHOD.HEAD)
+    );
 
-  return response.json();
-}
+    return response;
+  },
+  patch: async (url, accessToken, body = {}) => {
+    const response = await v3.call(
+      url,
+      v3.parameters(accessToken, METHOD.PATCH, ACCEPT.JSON, body)
+    );
 
-export async function fetchUser(user, accessToken) {
-  const FETCH_USER_ENDPOINT = `${root}/users/${user}`;
-  const response = await fetch(
-    FETCH_USER_ENDPOINT,
-    accessTokenParameters(accessToken)
-  );
+    return response;
+  },
+  postJson: async (url, accessToken, body = {}) => {
+    const response = await v3.call(
+      url,
+      v3.parameters(accessToken, METHOD.POST, ACCEPT.JSON, body)
+    );
 
-  return response.json();
-}
+    return response.json();
+  },
+  post: async (url, accessToken, body = {}) => {
+    const response = await v3.call(
+      url,
+      v3.parameters(accessToken, METHOD.POST, ACCEPT.JSON, body)
+    );
 
-export async function fetchUserOrgs(user, accessToken) {
-  const ORGS_ENDPOINT = `${root}/users/${user}/orgs`;
-  const response = await fetch(
-    ORGS_ENDPOINT,
-    accessTokenParameters(accessToken)
-  );
+    return response;
+  },
+  put: async (url, accessToken, body = {}) => {
+    const response = await v3.call(
+      url,
+      v3.parameters(accessToken, METHOD.PUT, ACCEPT.JSON, body)
+    );
 
-  return response.json();
-}
+    return response;
+  },
+};
 
-export async function fetchUserEvents(user, accessToken) {
-  const EVENTS_ENDPOINT = `${root}/users/${user}/received_events?per_page=100`;
-  const response = await fetch(
-    EVENTS_ENDPOINT,
-    accessTokenParameters(accessToken)
-  );
+export const fetchAuthUser = accessToken => v3.getJson('/user', accessToken);
 
-  return response.json();
-}
+export const fetchAuthUserOrgs = accessToken =>
+  v3.getJson('/user/orgs', accessToken);
 
-export async function fetchReadMe(user, repository, accessToken) {
-  const README_ENDPOINT = `${root}/repos/${user}/${repository}/readme?ref=master`;
-  const response = await fetch(
-    README_ENDPOINT,
-    accessTokenParametersHTML(accessToken)
-  );
+export const fetchUser = (user, accessToken) =>
+  v3.getJson(`/users/${user}`, accessToken);
 
-  return response.text();
-}
+export const fetchUserOrgs = (user, accessToken) =>
+  v3.getJson(`/users/${user}/orgs`, accessToken);
 
-export async function fetchOrg(orgName, accessToken) {
-  const response = await fetch(
-    `${root}/orgs/${orgName}`,
-    accessTokenParameters(accessToken)
-  );
+export const fetchUserEvents = (user, accessToken) =>
+  v3.getJson(`/users/${user}/received_events?per_page=100`, accessToken);
 
-  return response.json();
-}
+export const fetchReadMe = (user, repository, accessToken) =>
+  v3.getHtml(`/repos/${user}/${repository}/readme?ref=master`, accessToken);
 
-export async function fetchOrgMembers(orgName, accessToken) {
-  const response = await fetch(
-    `${root}/orgs/${orgName}/members`,
-    accessTokenParameters(accessToken)
-  );
+export const fetchOrg = (orgName, accessToken) =>
+  v3.getJson(`/orgs/${orgName}`, accessToken);
 
-  return response.json();
-}
+export const fetchOrgMembers = (orgName, accessToken) =>
+  v3.getJson(`/orgs/${orgName}/members`, accessToken);
 
-export async function fetchPostIssueComment(
+export const fetchPostIssueComment = (
   body,
   owner,
   repoName,
   issueNum,
   accessToken
-) {
-  const ENDPOINT = `${root}/repos/${owner}/${repoName}/issues/${issueNum}/comments`;
-  const response = await fetch(
-    ENDPOINT,
-    accessTokenParametersPOST(accessToken, { body })
+) =>
+  v3.postJson(
+    `/repos/${owner}/${repoName}/issues/${issueNum}/comments`,
+    accessToken,
+    { body }
   );
 
-  return response.json();
-}
-
-export async function fetchEditIssue(
+export const fetchEditIssue = (
   owner,
   repoName,
   issueNum,
   editParams,
   updateParams,
   accessToken
-) {
-  const ENDPOINT = `${root}/repos/${owner}/${repoName}/issues/${issueNum}`;
-  const response = await fetch(
-    ENDPOINT,
-    accessTokenParametersPATCH(editParams, accessToken)
+) =>
+  v3.patch(
+    `/repos/${owner}/${repoName}/issues/${issueNum}`,
+    accessToken,
+    editParams
   );
 
-  return response;
-}
-
-export async function fetchChangeIssueLockStatus(
+export const fetchChangeIssueLockStatus = (
   owner,
   repoName,
   issueNum,
   currentStatus,
   accessToken
-) {
-  const ENDPOINT = `${root}/repos/${owner}/${repoName}/issues/${issueNum}/lock`;
-  const response = await fetch(
-    ENDPOINT,
-    currentStatus
-      ? accessTokenParametersDELETE(accessToken)
-      : accessTokenParametersPUT(accessToken)
+) =>
+  v3[currentStatus ? 'delete' : 'put'](
+    `/repos/${owner}/${repoName}/issues/${issueNum}/lock`,
+    accessToken
   );
 
-  return response;
-}
-
-export async function fetchSearch(type, query, accessToken, params = '') {
-  const ENDPOINT = `${root}/search/${type}?q=${query}${params}`;
-  const response = await fetch(ENDPOINT, accessTokenParameters(accessToken));
-
-  return response.json();
-}
-
-export async function fetchNotifications(participating, all, accessToken) {
-  const ENDPOINT = `${root}/notifications?participating=${participating}&all=${all}`;
-  const response = await fetch(ENDPOINT, accessTokenParameters(accessToken));
+export const fetchSearch = (type, query, accessToken, params = '') =>
+  v3.getJson(`/search/${type}?q=${query}${params}`, accessToken);
 
-  return response.json();
-}
-
-export async function fetchMarkNotificationAsRead(notificationID, accessToken) {
-  const ENDPOINT = `${root}/notifications/threads/${notificationID}`;
-  const response = await fetch(
-    ENDPOINT,
-    accessTokenParametersPATCH(null, accessToken)
+export const fetchNotifications = (participating, all, accessToken) =>
+  v3.getJson(
+    `/notifications?participating=${participating}&all=${all}`,
+    accessToken
   );
 
-  return response;
-}
+export const fetchMarkNotificationAsRead = (notificationID, accessToken) =>
+  v3.patch(`/notifications/threads/${notificationID}`, accessToken);
 
-export async function fetchMarkRepoNotificationAsRead(
-  repoFullName,
-  accessToken
-) {
-  const ENDPOINT = `${root}/repos/${repoFullName}/notifications`;
-  const response = await fetch(ENDPOINT, accessTokenParametersPUT(accessToken));
+export const fetchMarkRepoNotificationAsRead = (repoFullName, accessToken) =>
+  v3.put(`/repos/${repoFullName}/notifications`, accessToken);
 
-  return response;
-}
+export const fetchChangeStarStatusRepo = (owner, repo, starred, accessToken) =>
+  v3[starred ? 'delete' : 'put'](`/user/starred/${owner}/${repo}`, accessToken);
 
-export async function fetchChangeStarStatusRepo(
-  owner,
-  repo,
-  starred,
-  accessToken
-) {
-  const ENDPOINT = `${root}/user/starred/${owner}/${repo}`;
-  const response = await fetch(
-    ENDPOINT,
-    starred
-      ? accessTokenParametersDELETE(accessToken)
-      : accessTokenParametersPUT(accessToken)
-  );
+export const fetchForkRepo = (owner, repo, accessToken) =>
+  v3.post(`/repos/${owner}/${repo}/forks`, accessToken);
 
-  return response;
-}
+export const fetchStarCount = (owner, accessToken) =>
+  v3.count(`/users/${owner}/starred`, accessToken);
 
-export async function fetchForkRepo(owner, repo, accessToken) {
-  const ENDPOINT = `${root}/repos/${owner}/${repo}/forks`;
-  const response = await fetch(
-    ENDPOINT,
-    accessTokenParametersPOST(accessToken)
-  );
+export const isWatchingRepo = (url, accessToken) => v3.head(url, accessToken);
 
-  return response;
-}
+export const watchRepo = (owner, repo, accessToken) =>
+  v3.put(`/repos/${owner}/${repo}/subscription`, accessToken, {
+    subscribed: true,
+  });
 
-export async function fetchStarCount(owner) {
-  const ENDPOINT = `${root}/users/${owner}/starred?per_page=1`;
-  const response = await fetch(ENDPOINT);
+export const unWatchRepo = (owner, repo, accessToken) =>
+  v3.delete(`/repos/${owner}/${repo}/subscription`, accessToken);
 
-  let linkHeader = response.headers.get('Link');
-  let output = '';
+export const fetchChangeFollowStatus = (user, isFollowing, accessToken) =>
+  v3[isFollowing ? 'delete' : 'put'](`/user/following/${user}`, accessToken);
 
-  if (linkHeader == null) {
-    output = response.json().then(data => {
-      return data.length;
-    });
-  } else {
-    linkHeader = linkHeader.match(/page=(\d)+/g).pop();
-    output = linkHeader.split('=').pop();
-  }
+export const fetchDiff = (url, accessToken) => v3.getDiff(url, accessToken);
 
-  return abbreviateNumber(output);
-}
+export const fetchMergeStatus = (repo, issueNum, accessToken) =>
+  v3.get(`/repos/${repo}/pulls/${issueNum}/merge`, accessToken);
 
-export async function watchRepo(isSubscribed, owner, repo, accessToken) {
-  const ENDPOINT = `${root}/repos/${owner}/${repo}/subscription`;
-  const response = await fetch(
-    ENDPOINT,
-    accessTokenParameters(accessToken, { subscribed: isSubscribed })
-  );
-
-  return response;
-}
-
-export async function unWatchRepo(owner, repo, accessToken) {
-  const ENDPOINT = `${root}/repos/${owner}/${repo}/subscription`;
-  const response = await fetch(ENDPOINT, accessTokenParameters(accessToken));
-
-  return response;
-}
-
-export async function fetchChangeFollowStatus(user, isFollowing, accessToken) {
-  const ENDPOINT = `${root}/user/following/${user}`;
-  const response = await fetch(
-    ENDPOINT,
-    isFollowing
-      ? accessTokenParametersDELETE(accessToken)
-      : accessTokenParametersPUT(accessToken)
-  );
-
-  return response;
-}
-
-export async function fetchDiff(url, accessToken) {
-  const response = await fetch(url, accessTokenParametersDiff(accessToken));
-
-  return response.text();
-}
-
-export async function fetchMergeStatus(repo, issueNum, accessToken) {
-  const ENDPOINT = `${root}/repos/${repo}/pulls/${issueNum}/merge`;
-  const response = await fetch(ENDPOINT, accessTokenParameters(accessToken));
-
-  return response;
-}
-
-export async function fetchMergePullRequest(
+export const fetchMergePullRequest = (
   repo,
   issueNum,
   commitTitle,
   commitMessage,
   mergeMethod,
   accessToken
-) {
-  const ENDPOINT = `${root}/repos/${repo}/pulls/${issueNum}/merge`;
-
-  const response = await fetch(
-    ENDPOINT,
-    accessTokenParametersPUT(accessToken, {
-      commit_title: commitTitle,
-      commit_message: commitMessage,
-      merge_method: mergeMethod,
-    })
-  );
-
-  return response;
-}
-
-export async function fetchSubmitNewIssue(
+) =>
+  v3.put(`/repos/${repo}/pulls/${issueNum}/merge`, accessToken, {
+    commit_title: commitTitle,
+    commit_message: commitMessage,
+    merge_method: mergeMethod,
+  });
+
+export const fetchSubmitNewIssue = (
   owner,
   repo,
   issueTitle,
   issueComment,
   accessToken
-) {
-  const ENDPOINT = `${root}/repos/${owner}/${repo}/issues`;
+) =>
+  v3.postJson(`/repos/${owner}/${repo}/issues`, accessToken, {
+    title: issueTitle,
+    body: issueComment,
+  });
+
+// Auth
+const authParameters = (code, state) => ({
+  method: METHOD.POST,
+  headers: {
+    Accept: 'application/json',
+    'Content-Type': 'application/json',
+  },
+  body: JSON.stringify({
+    client_id: CLIENT_ID,
+    client_secret: CLIENT_SECRET,
+    code,
+    state,
+  }),
+});
+
+export async function fetchAccessToken(code, state) {
+  const GITHUB_OAUTH_ENDPOINT = 'https://github.com/login/oauth/access_token';
   const response = await fetch(
-    ENDPOINT,
-    accessTokenParametersPOST(accessToken, {
-      title: issueTitle,
-      body: issueComment,
-    })
+    GITHUB_OAUTH_ENDPOINT,
+    authParameters(code, state)
   );
 
   return response.json();
diff --git a/src/auth/auth.action.js b/src/auth/auth.action.js
index 462333088..7bc2b94f0 100644
--- a/src/auth/auth.action.js
+++ b/src/auth/auth.action.js
@@ -87,11 +87,12 @@ export const getUser = () => {
 
 export const getStarCount = () => {
   return (dispatch, getState) => {
+    const accessToken = getState().auth.accessToken;
     const user = getState().auth.user.login;
 
     dispatch({ type: GET_AUTH_STAR_COUNT.PENDING });
 
-    fetchStarCount(user)
+    fetchStarCount(user, accessToken)
       .then(data => {
         dispatch({
           type: GET_AUTH_STAR_COUNT.SUCCESS,
diff --git a/src/auth/screens/privacy-policy.screen.js b/src/auth/screens/privacy-policy.screen.js
index 9ce16642d..f45f54ea2 100644
--- a/src/auth/screens/privacy-policy.screen.js
+++ b/src/auth/screens/privacy-policy.screen.js
@@ -4,7 +4,7 @@ import { StyleSheet, ScrollView, View, Text } from 'react-native';
 import { ViewContainer } from 'components';
 import { translate } from 'utils';
 import { colors, fonts, normalize } from 'config';
-import { root as apiRoot } from 'api';
+import { v3 } from 'api';
 
 const styles = StyleSheet.create({
   container: {
@@ -119,7 +119,7 @@ export class PrivacyPolicyScreen extends Component {
                   style={styles.link}
                   onPress={() =>
                     navigation.navigate('Repository', {
-                      repositoryUrl: `${apiRoot}/repos/gitpoint/git-point`,
+                      repositoryUrl: `${v3.root}/repos/gitpoint/git-point`,
                     })}
                 >
                   {translate('auth.privacyPolicy.contactLink', language)}
diff --git a/src/components/issue-description.component.js b/src/components/issue-description.component.js
index a151bf060..b2c5dbfda 100644
--- a/src/components/issue-description.component.js
+++ b/src/components/issue-description.component.js
@@ -7,7 +7,7 @@ import moment from 'moment/min/moment-with-locales.min';
 import { StateBadge, MembersList, LabelButton, DiffBlocks } from 'components';
 import { translate } from 'utils';
 import { colors, fonts, normalize } from 'config';
-import { root as apiRoot } from 'api';
+import { v3 } from 'api';
 
 const styles = StyleSheet.create({
   headerContainer: {
@@ -109,7 +109,7 @@ export class IssueDescription extends Component {
       <View style={(styles.container, styles.borderBottom)}>
         {issue.repository_url &&
           <ListItem
-            title={issue.repository_url.replace(`${apiRoot}/repos/`, '')}
+            title={issue.repository_url.replace(`${v3.root}/repos/`, '')}
             titleStyle={styles.titleSmall}
             leftIcon={{
               name: 'repo',
diff --git a/src/issue/issue.action.js b/src/issue/issue.action.js
index d4457366d..974d2d9b8 100644
--- a/src/issue/issue.action.js
+++ b/src/issue/issue.action.js
@@ -1,12 +1,11 @@
 import {
-  fetchDiff,
   fetchMergeStatus,
-  fetchCommentHTML,
   fetchPostIssueComment,
   fetchEditIssue,
   fetchChangeIssueLockStatus,
   fetchMergePullRequest,
   fetchSubmitNewIssue,
+  v3,
 } from 'api';
 import {
   GET_ISSUE_COMMENTS,
@@ -26,7 +25,8 @@ const getDiff = url => {
 
     dispatch({ type: GET_ISSUE_DIFF.PENDING });
 
-    return fetchDiff(url, accessToken)
+    return v3
+      .getDiff(url, accessToken)
       .then(data => {
         dispatch({
           type: GET_ISSUE_DIFF.SUCCESS,
@@ -79,7 +79,8 @@ export const getIssueComments = issueCommentsURL => {
 
     dispatch({ type: GET_ISSUE_COMMENTS.PENDING });
 
-    return fetchCommentHTML(`${issueCommentsURL}?per_page=100`, accessToken)
+    return v3
+      .getJson(`${issueCommentsURL}?per_page=100`, accessToken)
       .then(data => {
         dispatch({
           type: GET_ISSUE_COMMENTS.SUCCESS,
@@ -190,7 +191,8 @@ export const getIssueFromUrl = url => {
 
     dispatch({ type: GET_ISSUE_FROM_URL.PENDING });
 
-    return fetchCommentHTML(url, accessToken)
+    return v3
+      .getJson(url, accessToken)
       .then(issue => {
         dispatch({
           type: GET_ISSUE_FROM_URL.SUCCESS,
diff --git a/src/issue/screens/issue.screen.js b/src/issue/screens/issue.screen.js
index b739fee0a..e1dd35f12 100644
--- a/src/issue/screens/issue.screen.js
+++ b/src/issue/screens/issue.screen.js
@@ -18,7 +18,7 @@ import {
   CommentListItem,
   CommentInput,
 } from 'components';
-import { root as apiRoot } from 'api';
+import { v3 } from 'api';
 import { translate } from 'utils';
 import { colors } from 'config';
 import { getRepository, getContributors } from 'repository';
@@ -150,7 +150,7 @@ class Issue extends Component {
 
     return node.attribs['data-url'].replace(
       'https://github.com',
-      `${apiRoot}/repos`
+      `${v3.root}/repos`
     );
   };
 
@@ -178,7 +178,7 @@ class Issue extends Component {
       if (
         issueParam &&
         repository.full_name !==
-          issueParam.repository_url.replace(`${apiRoot}/repos/`, '')
+          issueParam.repository_url.replace(`${v3.route}/repos/`, '')
       ) {
         Promise.all([
           getRepository(issue.repository_url),
diff --git a/src/notifications/screens/notifications.screen.js b/src/notifications/screens/notifications.screen.js
index bb0a01937..3339893b8 100644
--- a/src/notifications/screens/notifications.screen.js
+++ b/src/notifications/screens/notifications.screen.js
@@ -15,7 +15,7 @@ import {
 } from 'react-native';
 import { ButtonGroup, Card, Icon } from 'react-native-elements';
 
-import { root as apiRoot } from 'api';
+import { v3 } from 'api';
 import {
   ViewContainer,
   LoadingContainer,
@@ -179,7 +179,7 @@ class Notifications extends Component {
     const { navigation } = this.props;
 
     navigation.navigate('Repository', {
-      repositoryUrl: `${apiRoot}/repos/${fullName}`,
+      repositoryUrl: `${v3.root}/repos/${fullName}`,
     });
   };
 
diff --git a/src/organization/organization.action.js b/src/organization/organization.action.js
index 51189fb25..19bd0eaae 100644
--- a/src/organization/organization.action.js
+++ b/src/organization/organization.action.js
@@ -1,10 +1,6 @@
 import { createAction } from 'redux-actions';
 
-import {
-  fetchOrg,
-  fetchOrgMembers,
-  fetchUrl,
-} from 'api';
+import { fetchOrg, fetchOrgMembers, v3 } from 'api';
 import {
   GET_ORG,
   GET_ORG_LOADING,
@@ -51,7 +47,8 @@ export const fetchOrganizationRepos = url => (dispatch, getState) => {
   dispatch(getOrgReposLoading(true));
   dispatch(getOrgReposError(''));
 
-  fetchUrl(url, accessToken)
+  v3
+    .getJson(url, accessToken)
     .then(data => {
       dispatch(getOrgReposLoading(false));
       dispatch(getOrgRepos(data));
diff --git a/src/repository/repository.action.js b/src/repository/repository.action.js
index ceb7497c8..b6534e025 100644
--- a/src/repository/repository.action.js
+++ b/src/repository/repository.action.js
@@ -1,16 +1,12 @@
 import {
-  root as apiRoot,
-  fetchUrl,
-  fetchUrlNormal,
-  fetchUrlHead,
-  fetchUrlFile,
-  fetchCommentHTML,
   fetchReadMe,
   fetchSearch,
   fetchChangeStarStatusRepo,
   fetchForkRepo,
   watchRepo,
   unWatchRepo,
+  isWatchingRepo,
+  v3,
 } from 'api';
 import {
   GET_REPOSITORY,
@@ -37,7 +33,8 @@ export const getRepository = url => {
 
     dispatch({ type: GET_REPOSITORY.PENDING });
 
-    return fetchUrl(url, accessToken)
+    return v3
+      .getJson(url, accessToken)
       .then(data => {
         dispatch({
           type: GET_REPOSITORY.SUCCESS,
@@ -59,7 +56,8 @@ export const getContributors = url => {
 
     dispatch({ type: GET_REPOSITORY_CONTRIBUTORS.PENDING });
 
-    fetchUrl(url, accessToken)
+    v3
+      .getJson(url, accessToken)
       .then(data => {
         dispatch({
           type: GET_REPOSITORY_CONTRIBUTORS.SUCCESS,
@@ -81,7 +79,8 @@ export const getContents = (url, level) => {
 
     dispatch({ type: GET_REPOSITORY_CONTENTS.PENDING });
 
-    fetchUrl(url, accessToken)
+    v3
+      .getJson(url, accessToken)
       .then(data => {
         dispatch({
           type: GET_REPOSITORY_CONTENTS.SUCCESS,
@@ -104,7 +103,8 @@ export const getRepositoryFile = url => {
 
     dispatch({ type: GET_REPOSITORY_FILE.PENDING });
 
-    fetchUrlFile(url, accessToken)
+    v3
+      .getRaw(url, accessToken)
       .then(data => {
         dispatch({
           type: GET_REPOSITORY_FILE.SUCCESS,
@@ -126,7 +126,8 @@ export const getIssues = url => {
 
     dispatch({ type: GET_REPOSITORY_ISSUES.PENDING });
 
-    fetchCommentHTML(url, accessToken)
+    v3
+      .getJson(url, accessToken)
       .then(data => {
         dispatch({
           type: GET_REPOSITORY_ISSUES.SUCCESS,
@@ -148,7 +149,8 @@ export const checkReadMe = url => {
 
     dispatch({ type: GET_REPO_README_STATUS.PENDING });
 
-    fetchUrlHead(url, accessToken)
+    v3
+      .head(url, accessToken)
       .then(data => {
         dispatch({
           type: GET_REPO_README_STATUS.SUCCESS,
@@ -170,7 +172,8 @@ export const checkRepoStarred = url => {
 
     dispatch({ type: GET_REPO_STARRED_STATUS.PENDING });
 
-    fetchUrlNormal(url, accessToken)
+    v3
+      .get(url, accessToken)
       .then(data => {
         dispatch({
           type: GET_REPO_STARRED_STATUS.SUCCESS,
@@ -192,13 +195,13 @@ export const checkRepoSubscribed = url => {
 
     dispatch({ type: GET_REPOSITORY_SUBSCRIBED_STATUS.PENDING });
 
-    fetchUrlNormal(url, accessToken)
-      .then(data =>
+    isWatchingRepo(url, accessToken)
+      .then(data => {
         dispatch({
           type: GET_REPOSITORY_SUBSCRIBED_STATUS.SUCCESS,
           payload: data.status !== 404,
-        })
-      )
+        });
+      })
       .catch(error =>
         dispatch({
           type: GET_REPOSITORY_SUBSCRIBED_STATUS.ERROR,
@@ -244,17 +247,17 @@ export const getRepositoryInfo = url => {
       dispatch(getIssues(issuesUrl));
       dispatch(
         checkReadMe(
-          `${apiRoot}/repos/${repo.owner.login}/${repo.name}/readme?ref=master`
+          `${v3.root}/repos/${repo.owner.login}/${repo.name}/readme?ref=master`
         )
       );
       dispatch(
         checkRepoStarred(
-          `${apiRoot}/user/starred/${repo.owner.login}/${repo.name}`
+          `${v3.root}/user/starred/${repo.owner.login}/${repo.name}`
         )
       );
       dispatch(
         checkRepoSubscribed(
-          `${apiRoot}/repos/${repo.owner.login}/${repo.name}/subscription`
+          `${v3.root}/repos/${repo.owner.login}/${repo.name}/subscription`
         )
       );
     });
@@ -285,13 +288,12 @@ export const changeStarStatusRepo = (owner, repo, starred) => {
 
 export const subscribeToRepo = (owner, repo) => (dispatch, getState) => {
   const accessToken = getState().auth.accessToken;
-  const isSubscribed = getState().repository.subscribed;
 
   dispatch({
     type: GET_REPOSITORY_SUBSCRIBED_STATUS.PENDING,
   });
 
-  return watchRepo(!isSubscribed, owner, repo, accessToken)
+  return watchRepo(owner, repo, accessToken)
     .then(data => data.json())
     .then(result => {
       dispatch({
@@ -361,7 +363,8 @@ export const getLabels = url => {
 
     dispatch({ type: GET_REPOSITORY_LABELS.PENDING });
 
-    fetchUrl(url, accessToken)
+    v3
+      .getJson(url, accessToken)
       .then(data => {
         dispatch({
           type: GET_REPOSITORY_LABELS.SUCCESS,
diff --git a/src/user/user.action.js b/src/user/user.action.js
index d9a6d11f5..5fd732f89 100644
--- a/src/user/user.action.js
+++ b/src/user/user.action.js
@@ -1,13 +1,10 @@
 import {
   fetchUser,
   fetchUserOrgs,
-  fetchUrl,
-  fetchUrlNormal,
-  USER_ENDPOINT,
   fetchSearch,
   fetchChangeFollowStatus,
-  root as apiRoot,
   fetchStarCount,
+  v3,
 } from 'api';
 import {
   GET_USER,
@@ -72,7 +69,8 @@ const checkFollowStatusHelper = (user, followedUser, actionSet) => {
 
     dispatch({ type: actionSet.PENDING });
 
-    fetchUrlNormal(`${USER_ENDPOINT(user)}/following/${followedUser}`, accessToken)
+    v3
+      .head(`/users/${user}/following/${followedUser}`, accessToken)
       .then(data => {
         dispatch({
           type: actionSet.SUCCESS,
@@ -106,7 +104,8 @@ export const getFollowers = user => {
 
     dispatch({ type: GET_FOLLOWERS.PENDING });
 
-    fetchUrl(`${USER_ENDPOINT(user.login)}/followers?per_page=100`, accessToken)
+    v3
+      .getJson(`/users/${user.login}/followers?per_page=100`, accessToken)
       .then(data => {
         dispatch({
           type: GET_FOLLOWERS.SUCCESS,
@@ -124,18 +123,17 @@ export const getFollowers = user => {
 
 export const getUserInfo = user => {
   return dispatch => {
-    Promise.all([
-      dispatch(getUser(user)),
-      dispatch(getOrgs(user)),
-    ]);
+    Promise.all([dispatch(getUser(user)), dispatch(getOrgs(user))]);
   };
 };
 
 export const getStarCount = user => {
-  return dispatch => {
+  return (dispatch, getState) => {
+    const accessToken = getState().auth.accessToken;
+
     dispatch({ type: GET_STAR_COUNT.PENDING });
 
-    fetchStarCount(user)
+    fetchStarCount(user, accessToken)
       .then(data => {
         dispatch({
           type: GET_STAR_COUNT.SUCCESS,
@@ -183,10 +181,11 @@ export const getRepositories = user => {
     dispatch({ type: GET_REPOSITORIES.PENDING });
 
     const url = isAuthUser
-      ? `${apiRoot}/user/repos?affiliation=owner&sort=updated&per_page=50`
-      : `${USER_ENDPOINT(user.login)}/repos?sort=updated&per_page=50`;
+      ? '/user/repos?affiliation=owner&sort=updated&per_page=50'
+      : `/users/${user.login}/repos?sort=updated&per_page=50`;
 
-    fetchUrl(url, accessToken)
+    v3
+      .getJson(url, accessToken)
       .then(data => {
         dispatch({
           type: GET_REPOSITORIES.SUCCESS,
@@ -208,7 +207,8 @@ export const getFollowing = user => {
 
     dispatch({ type: GET_FOLLOWING.PENDING });
 
-    fetchUrl(`${USER_ENDPOINT(user.login)}/following?per_page=100`, accessToken)
+    v3
+      .getJson(`/users/${user.login}/following?per_page=100`, accessToken)
       .then(data => {
         dispatch({
           type: GET_FOLLOWING.SUCCESS,