diff --git a/fittrackee_api/fittrackee_api/users/auth.py b/fittrackee_api/fittrackee_api/users/auth.py
index 4418036c..6f6faaf3 100644
--- a/fittrackee_api/fittrackee_api/users/auth.py
+++ b/fittrackee_api/fittrackee_api/users/auth.py
@@ -287,10 +287,9 @@ def del_picture(user_id):
         db.session.commit()
 
         response_object = {
-            'status': 'success',
-            'message': 'User picture delete.'
+            'status': 'no content'
         }
-        return jsonify(response_object), 200
+        return jsonify(response_object), 204
 
     except (exc.IntegrityError, ValueError) as e:
         db.session.rollback()
diff --git a/fittrackee_client/src/actions/activities.js b/fittrackee_client/src/actions/activities.js
index 0cc90cb9..a166891b 100644
--- a/fittrackee_client/src/actions/activities.js
+++ b/fittrackee_client/src/actions/activities.js
@@ -1,7 +1,6 @@
 import { parse } from 'date-fns'
 
 import FitTrackeeGenericApi from '../fitTrackeeApi'
-import FitTrackeeApi from '../fitTrackeeApi/activities'
 import { history } from '../index'
 import { formatChartData } from '../utils'
 import { setError, setLoading } from './index'
@@ -27,8 +26,8 @@ export const setChartData = chartData => ({
   chartData,
 })
 
-export const addActivity = form => dispatch => FitTrackeeApi
-  .addActivity(form)
+export const addActivity = form => dispatch => FitTrackeeGenericApi
+  .addDataWithFile('activities', form)
   .then(ret => {
     if (ret.status === 'created') {
       if (ret.data.activities.length === 0) {
@@ -48,8 +47,8 @@ export const addActivity = form => dispatch => FitTrackeeApi
   .catch(error => dispatch(setError(`activities: ${error}`)))
 
 
-export const addActivityWithoutGpx = form => dispatch => FitTrackeeApi
-  .addActivityWithoutGpx(form)
+export const addActivityWithoutGpx = form => dispatch => FitTrackeeGenericApi
+  .addData('activities/no_gpx', form)
   .then(ret => {
     if (ret.status === 'created') {
       dispatch(loadProfile())
@@ -63,8 +62,8 @@ export const addActivityWithoutGpx = form => dispatch => FitTrackeeApi
 
 export const getActivityGpx = activityId => dispatch => {
   if (activityId) {
-    return FitTrackeeApi
-    .getActivityGpx(activityId)
+    return FitTrackeeGenericApi
+    .getData(`activities/${activityId}/gpx`)
     .then(ret => {
       if (ret.status === 'success') {
          dispatch(setGpx(ret.data.gpx))
@@ -80,8 +79,8 @@ export const getActivityGpx = activityId => dispatch => {
 
 export const getActivityChartData = activityId => dispatch => {
   if (activityId) {
-    return FitTrackeeApi
-    .getActivityChartData(activityId)
+    return FitTrackeeGenericApi
+    .getData(`activities/${activityId}/chart_data`)
     .then(ret => {
       if (ret.status === 'success') {
          dispatch(setChartData(formatChartData(ret.data.chart_data)))
diff --git a/fittrackee_client/src/actions/stats.js b/fittrackee_client/src/actions/stats.js
index 4fe2fee3..ef2c7c6b 100644
--- a/fittrackee_client/src/actions/stats.js
+++ b/fittrackee_client/src/actions/stats.js
@@ -1,8 +1,8 @@
-import FitTrackeeApi from '../fitTrackeeApi/stats'
+import FitTrackeeGenericApi from '../fitTrackeeApi'
 import { setData, setError } from './index'
 
-export const getStats = (userId, type, data) => dispatch => FitTrackeeApi
-    .getStats(userId, type, data)
+export const getStats = (userId, type, data) => dispatch => FitTrackeeGenericApi
+    .getData(`stats/${userId}/${type}`, data)
     .then(ret => {
       if (ret.status === 'success') {
          dispatch(setData('statistics', ret.data))
diff --git a/fittrackee_client/src/actions/user.js b/fittrackee_client/src/actions/user.js
index d90ca41d..a59317b1 100644
--- a/fittrackee_client/src/actions/user.js
+++ b/fittrackee_client/src/actions/user.js
@@ -1,3 +1,4 @@
+import FitTrackeeGenericApi from '../fitTrackeeApi'
 import FitTrackeeApi from '../fitTrackeeApi/user'
 import { history } from '../index'
 import { generateIds } from '../utils'
@@ -18,8 +19,17 @@ const ProfileUpdateError = message => ({
   type: 'PROFILE_UPDATE_ERROR', message
 })
 
-export const getProfile = () => dispatch => FitTrackeeApi
-  .getProfile()
+export const logout = () => ({ type: 'LOGOUT' })
+
+export const loadProfile = () => dispatch => {
+  if (window.localStorage.getItem('authToken')) {
+    return dispatch(getProfile())
+  }
+  return { type: 'LOGOUT' }
+}
+
+export const getProfile = () => dispatch => FitTrackeeGenericApi
+  .getData('auth/profile')
   .then(ret => {
     if (ret.status === 'success') {
       dispatch(getData('sports'))
@@ -32,9 +42,8 @@ export const getProfile = () => dispatch => FitTrackeeApi
     throw error
   })
 
-
-export const register = formData => dispatch => FitTrackeeApi
-  .register(formData)
+export const loginOrRegister = (target, formData) => dispatch => FitTrackeeApi
+  .loginOrRegister(target, formData)
   .then(ret => {
     if (ret.status === 'success') {
       window.localStorage.setItem('authToken', ret.auth_token)
@@ -46,29 +55,6 @@ export const register = formData => dispatch => FitTrackeeApi
     throw error
   })
 
-
-export const login = formData => dispatch => FitTrackeeApi
-  .login(formData)
-  .then(ret => {
-    if (ret.status === 'success') {
-      window.localStorage.setItem('authToken', ret.auth_token)
-      return dispatch(getProfile())
-    }
-    return dispatch(AuthError(ret.message))
-  })
-  .catch(error => {
-    throw error
-  })
-
-export const loadProfile = () => dispatch => {
-  if (window.localStorage.getItem('authToken')) {
-    return dispatch(getProfile())
-  }
-  return { type: 'LOGOUT' }
-}
-
-export const logout = () => ({ type: 'LOGOUT' })
-
 const RegisterFormControl = formData => {
   const errMsg = []
   if (formData.username.length < 3 || formData.username.length > 12) {
@@ -84,15 +70,13 @@ const RegisterFormControl = formData => {
 }
 
 export const handleUserFormSubmit = (formData, formType) => dispatch => {
-  if (formType === 'Login') {
-    return dispatch(login(formData))
+  if (formType === 'register') {
+    const ret = RegisterFormControl(formData)
+    if (ret.length > 0) {
+      return dispatch(AuthErrors(generateIds(ret)))
+    }
   }
-  // formType === 'Register'
-  const ret = RegisterFormControl(formData)
-  if (ret.length === 0) {
-    return dispatch(register(formData))
-  }
-  return dispatch(AuthErrors(generateIds(ret)))
+  return dispatch(loginOrRegister(formType, formData))
 }
 
 export const handleProfileFormSubmit = formData => dispatch => {
@@ -101,8 +85,8 @@ export const handleProfileFormSubmit = formData => dispatch => {
       'Password and password confirmation don\'t match.'
     ))
   }
-  return FitTrackeeApi
-    .updateProfile(formData)
+  return FitTrackeeGenericApi
+    .postData('auth/profile/edit', formData)
     .then(ret => {
       if (ret.status === 'success') {
         dispatch(getProfile())
@@ -120,8 +104,8 @@ export const uploadPicture = event => dispatch => {
   const form = new FormData()
   form.append('file', event.target.picture.files[0])
   event.target.reset()
-  return FitTrackeeApi
-    .updatePicture(form)
+  return FitTrackeeGenericApi
+    .addDataWithFile('auth/picture', form)
     .then(ret => {
       if (ret.status === 'success') {
         return dispatch(getProfile())
@@ -136,10 +120,10 @@ export const uploadPicture = event => dispatch => {
 export const deletePicture = () => dispatch => FitTrackeeApi
   .deletePicture()
   .then(ret => {
-    if (ret.status === 'success') {
+    if (ret.status === 204) {
       return dispatch(getProfile())
     }
-    dispatch(PictureError(ret.message))
+    return dispatch(PictureError(ret.message))
   })
   .catch(error => {
     throw error
diff --git a/fittrackee_client/src/components/App.jsx b/fittrackee_client/src/components/App.jsx
index 0308a795..016c7bae 100644
--- a/fittrackee_client/src/components/App.jsx
+++ b/fittrackee_client/src/components/App.jsx
@@ -43,7 +43,7 @@ export default class App extends React.Component {
                 <Redirect to="/" />
               ) : (
                 <UserForm
-                  formType={'Register'}
+                  formType={'register'}
                 />
               )
             )}
@@ -55,7 +55,7 @@ export default class App extends React.Component {
                 <Redirect to="/" />
               ) : (
                 <UserForm
-                  formType={'Login'}
+                  formType={'login'}
                 />
               )
             )}
@@ -68,7 +68,7 @@ export default class App extends React.Component {
                 <ProfileEdit />
               ) : (
                 <UserForm
-                  formType={'Login'}
+                  formType={'login'}
                 />
               )
             )}
@@ -80,7 +80,7 @@ export default class App extends React.Component {
                 <Profile />
               ) : (
                 <UserForm
-                  formType={'Login'}
+                  formType={'login'}
                 />
               )
             )}
diff --git a/fittrackee_client/src/components/User/Form.jsx b/fittrackee_client/src/components/User/Form.jsx
index a4fd16cc..421fd921 100644
--- a/fittrackee_client/src/components/User/Form.jsx
+++ b/fittrackee_client/src/components/User/Form.jsx
@@ -7,7 +7,9 @@ export default function Form (props) {
       <Helmet>
         <title>FitTrackee - {props.formType}</title>
       </Helmet>
-      <h1 className="page-title">{props.formType}</h1>
+      <h1 className="page-title">
+        {`${props.formType.charAt(0).toUpperCase()}${props.formType.slice(1)}`}
+      </h1>
       <div className="container">
       <div className="row">
         <div className="col-md-3" />
@@ -16,7 +18,7 @@ export default function Form (props) {
           <form onSubmit={event =>
             props.handleUserFormSubmit(event, props.formType)}
           >
-            {props.formType === 'Register' &&
+            {props.formType === 'register' &&
             <div className="form-group">
               <input
                 className="form-control input-lg"
@@ -51,7 +53,7 @@ export default function Form (props) {
                 onChange={props.onHandleFormChange}
               />
             </div>
-            {props.formType === 'Register' &&
+            {props.formType === 'register' &&
             <div className="form-group">
               <input
                 className="form-control input-lg"
diff --git a/fittrackee_client/src/fitTrackeeApi/activities.js b/fittrackee_client/src/fitTrackeeApi/activities.js
deleted file mode 100644
index f6ca1040..00000000
--- a/fittrackee_client/src/fitTrackeeApi/activities.js
+++ /dev/null
@@ -1,40 +0,0 @@
-import { apiUrl, createRequest } from '../utils'
-
-export default class FitTrackeeApi {
-
-  static addActivity(formData) {
-    const params = {
-      url: `${apiUrl}activities`,
-      method: 'POST',
-      body: formData,
-    }
-    return createRequest(params)
-  }
-
-  static addActivityWithoutGpx(data) {
-    const params = {
-      url: `${apiUrl}activities/no_gpx`,
-      method: 'POST',
-      body: data,
-      type: 'application/json',
-    }
-    return createRequest(params)
-  }
-
-  static getActivityGpx(activityId) {
-    const params = {
-      url: `${apiUrl}activities/${activityId}/gpx`,
-      method: 'GET',
-    }
-    return createRequest(params)
-  }
-
-  static getActivityChartData(activityId) {
-    const params = {
-      url: `${apiUrl}activities/${activityId}/chart_data`,
-      method: 'GET',
-    }
-    return createRequest(params)
-  }
-
-}
diff --git a/fittrackee_client/src/fitTrackeeApi/index.js b/fittrackee_client/src/fitTrackeeApi/index.js
index c4e5ecdc..3d59d604 100644
--- a/fittrackee_client/src/fitTrackeeApi/index.js
+++ b/fittrackee_client/src/fitTrackeeApi/index.js
@@ -29,6 +29,25 @@ export default class FitTrackeeApi {
     return createRequest(params)
   }
 
+  static addDataWithFile(target, data) {
+    const params = {
+      url: `${apiUrl}${target}`,
+      method: 'POST',
+      body: data,
+    }
+    return createRequest(params)
+  }
+
+  static postData(target, data) {
+    const params = {
+      url: `${apiUrl}${target}/${data.id}`,
+      method: 'POST',
+      body: data,
+      type: 'application/json',
+    }
+    return createRequest(params)
+  }
+
   static updateData(target, data) {
     const params = {
       url: `${apiUrl}${target}/${data.id}`,
diff --git a/fittrackee_client/src/fitTrackeeApi/stats.js b/fittrackee_client/src/fitTrackeeApi/stats.js
deleted file mode 100644
index ce5be594..00000000
--- a/fittrackee_client/src/fitTrackeeApi/stats.js
+++ /dev/null
@@ -1,18 +0,0 @@
-import { apiUrl, createRequest } from '../utils'
-
-export default class FitTrackeeApi {
-
-  static getStats(userID, type, data = {}) {
-    let url = `${apiUrl}stats/${userID}/${type}`
-    if (Object.keys(data).length > 0) {
-      url += '?'
-      Object.keys(data).map(key => url += `&${key}=${data[key]}`)
-    }
-    const params = {
-      url: url,
-      method: 'GET',
-    }
-    return createRequest(params)
-  }
-
-}
diff --git a/fittrackee_client/src/fitTrackeeApi/user.js b/fittrackee_client/src/fitTrackeeApi/user.js
index 9a08b9b3..c589465d 100644
--- a/fittrackee_client/src/fitTrackeeApi/user.js
+++ b/fittrackee_client/src/fitTrackeeApi/user.js
@@ -2,9 +2,9 @@ import { apiUrl, createRequest } from '../utils'
 
 export default class FitTrackeeApi {
 
-  static login(data) {
+  static loginOrRegister(target, data) {
     const params = {
-      url: `${apiUrl}auth/login`,
+      url: `${apiUrl}auth/${target}`,
       method: 'POST',
       noAuthorization: true,
       body: data,
@@ -13,45 +13,6 @@ export default class FitTrackeeApi {
     return createRequest(params)
   }
 
-  static register(data) {
-    const params = {
-      url: `${apiUrl}auth/register`,
-      method: 'POST',
-      noAuthorization: true,
-      body: data,
-      type: 'application/json',
-    }
-    return createRequest(params)
-  }
-
-  static getProfile() {
-    const params = {
-      url: `${apiUrl}auth/profile`,
-      method: 'GET',
-      type: 'application/json',
-    }
-    return createRequest(params)
-  }
-
-  static updateProfile(data) {
-    const params = {
-      url: `${apiUrl}auth/profile/edit`,
-      method: 'POST',
-      body: data,
-      type: 'application/json',
-    }
-    return createRequest(params)
-  }
-
-  static updatePicture(form) {
-    const params = {
-      url: `${apiUrl}auth/picture`,
-      method: 'POST',
-      body: form,
-    }
-    return createRequest(params)
-  }
-
   static deletePicture() {
     const params = {
       url: `${apiUrl}auth/picture`,