diff --git a/fittrackee_client/src/components/User/UserApps/AddUserApp.vue b/fittrackee_client/src/components/User/UserApps/AddUserApp.vue
index 16230d1e..74344880 100644
--- a/fittrackee_client/src/components/User/UserApps/AddUserApp.vue
+++ b/fittrackee_client/src/components/User/UserApps/AddUserApp.vue
@@ -1,6 +1,6 @@
 <template>
   <div id="new-oauth2-app">
-    <p id="new-oauth2-title">{{ $t('oauth2.ADD_A_NEW_APP') }}</p>
+    <h1 id="new-oauth2-title">{{ $t('oauth2.ADD_A_NEW_APP') }}</h1>
     <div id="apps-form">
       <form @submit.prevent="createApp">
         <div class="form-items">
diff --git a/fittrackee_client/src/components/User/UserApps/AuthorizeUserApp.vue b/fittrackee_client/src/components/User/UserApps/AuthorizeUserApp.vue
new file mode 100644
index 00000000..a5b6fa42
--- /dev/null
+++ b/fittrackee_client/src/components/User/UserApps/AuthorizeUserApp.vue
@@ -0,0 +1,94 @@
+<template>
+  <div id="authorize-oauth2-app" v-if="client.client_id">
+    <h1 id="authorize-oauth2-title">
+      <i18n-t keypath="oauth2.AUTHORIZE_APP">
+        <router-link :to="{ name: 'UserApp', params: { id: client.id } }">
+          {{ client.name }}
+        </router-link>
+      </i18n-t>
+    </h1>
+    <ErrorMessage :message="errorMessages" v-if="errorMessages" />
+    <div class="oauth2-access">
+      <p>{{ $t('oauth2.APP_REQUESTING_ACCESS') }}</p>
+      <ul>
+        <li
+          class="client-scope"
+          v-for="scope in client.scope.split(' ')"
+          :key="scope"
+        >
+          {{ $t(`oauth2.APP.SCOPE.${scope.toUpperCase()}`) }}
+        </li>
+      </ul>
+      <div class="authorize-oauth2-buttons">
+        <button class="danger" @click="authorizeApp">
+          {{ $t('buttons.AUTHORIZE') }}
+        </button>
+        <button class="cancel" @click="$router.push('/profile/apps')">
+          {{ $t('buttons.CANCEL') }}
+        </button>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+  import { computed, ComputedRef, onBeforeMount } from 'vue'
+  import { useRoute } from 'vue-router'
+
+  import { OAUTH2_STORE, ROOT_STORE } from '@/store/constants'
+  import { IOAuth2Client } from '@/types/oauth'
+  import { useStore } from '@/use/useStore'
+
+  const route = useRoute()
+  const store = useStore()
+
+  const client: ComputedRef<IOAuth2Client> = computed(
+    () => store.getters[OAUTH2_STORE.GETTERS.CLIENT]
+  )
+  const errorMessages: ComputedRef<string | string[] | null> = computed(
+    () => store.getters[ROOT_STORE.GETTERS.ERROR_MESSAGES]
+  )
+
+  onBeforeMount(() => loadApp())
+
+  function loadApp() {
+    if (route.query.client_id && typeof route.query.client_id === 'string') {
+      store.dispatch(
+        OAUTH2_STORE.ACTIONS.GET_CLIENT_BY_CLIENT_ID,
+        route.query.client_id
+      )
+    }
+  }
+
+  function authorizeApp() {
+    store.dispatch(OAUTH2_STORE.ACTIONS.AUTHORIZE_CLIENT, {
+      client_id: `${route.query.client_id}`,
+      redirect_uri: `${route.query.redirect_uri}`,
+      response_type: `${route.query.response_type}`,
+      scope: `${route.query.scope}`,
+      state: `${route.query.state}`,
+    })
+  }
+</script>
+
+<style scoped lang="scss">
+  @import '~@/scss/vars.scss';
+
+  #authorize-oauth2-app {
+    #authorize-oauth2-title {
+      font-size: 1.05em;
+      font-weight: bold;
+      padding: 0 $default-padding;
+    }
+
+    .oauth2-access {
+      padding: 0 $default-padding;
+    }
+    .authorize-oauth2-buttons {
+      display: flex;
+      button {
+        margin: $default-padding * 0.5;
+      }
+    }
+  }
+</style>
diff --git a/fittrackee_client/src/components/User/UserApps/UserApp.vue b/fittrackee_client/src/components/User/UserApps/UserApp.vue
index f92a3de4..57f980e5 100644
--- a/fittrackee_client/src/components/User/UserApps/UserApp.vue
+++ b/fittrackee_client/src/components/User/UserApps/UserApp.vue
@@ -44,7 +44,15 @@
           {{ client.redirect_uris.length > 0 ? client.redirect_uris[0] : '' }}
         </dd>
         <dt>{{ $t('oauth2.APP.SCOPE.LABEL') }}:</dt>
-        <dd>{{ client.scope }}</dd>
+        <dd>
+          <span
+            class="client-scope"
+            v-for="scope in client.scope.split(' ')"
+            :key="scope"
+          >
+            {{ $t(`oauth2.APP.SCOPE.${scope.toUpperCase()}`) }}
+          </span>
+        </dd>
       </dl>
       <div class="app-buttons">
         <button class="danger" @click="updateDisplayModal(true)">
@@ -135,6 +143,9 @@
       flex-wrap: wrap;
       gap: $default-padding;
     }
+    .client-scope {
+      padding-right: $default-padding * 0.5;
+    }
     .no-description {
       font-style: italic;
     }
diff --git a/fittrackee_client/src/locales/en/buttons.json b/fittrackee_client/src/locales/en/buttons.json
index 6b97d2ee..31dc7e9d 100644
--- a/fittrackee_client/src/locales/en/buttons.json
+++ b/fittrackee_client/src/locales/en/buttons.json
@@ -1,5 +1,6 @@
 {
   "ACCOUNT-CONFIRMATION-RESEND": "Resend confirmation email",
+  "AUTHORIZE": "Authorize",
   "BACK": "Back",
   "CANCEL": "Cancel",
   "CLEAR_FILTER": "Clear filters",
diff --git a/fittrackee_client/src/locales/en/oauth2.json b/fittrackee_client/src/locales/en/oauth2.json
index d5dc7ee4..09294f72 100644
--- a/fittrackee_client/src/locales/en/oauth2.json
+++ b/fittrackee_client/src/locales/en/oauth2.json
@@ -16,7 +16,9 @@
   },
   "APP_DELETION_CONFIRMATION": "Are you sure you want to delete this app?",
   "APP_CREATED_SUCCESSFULLY": "Application created successfully. Make sure to copy the secret now, it won't show up again.",
+  "APP_REQUESTING_ACCESS": "The application {0} is requesting:",
   "APPS_LIST": "OAuth2 applications",
+  "AUTHORIZE_APP": "Authorize {0} to use your account?",
   "DELETE_APP": "Delete application",
   "NEW_APP": "New OAuth App",
   "NO_DESCRIPTION": "no description",
diff --git a/fittrackee_client/src/locales/fr/buttons.json b/fittrackee_client/src/locales/fr/buttons.json
index 51694cdf..6addaa2f 100644
--- a/fittrackee_client/src/locales/fr/buttons.json
+++ b/fittrackee_client/src/locales/fr/buttons.json
@@ -1,5 +1,6 @@
 {
   "ACCOUNT-CONFIRMATION-RESEND": "Envoyer à nouveau l'email de confirmation",
+  "AUTHORIZE": "Autoriser",
   "BACK": "Précédent",
   "CANCEL": "Annuler",
   "CLEAR_FILTER": "Réinitialiser",
diff --git a/fittrackee_client/src/locales/fr/oauth2.json b/fittrackee_client/src/locales/fr/oauth2.json
index 2e630bd4..8d4b3061 100644
--- a/fittrackee_client/src/locales/fr/oauth2.json
+++ b/fittrackee_client/src/locales/fr/oauth2.json
@@ -16,7 +16,9 @@
   },
   "APP_DELETION_CONFIRMATION": "Êtes-vous sûr de vouloir supprimer cette application ?",
   "APP_CREATED_SUCCESSFULLY": "Application créée avec succès. Assurez-vous de copier le secret maintenant, il ne s'affichera plus.",
+   "APP_REQUESTING_ACCESS": "L'application {0} demande les accès suivants :",
   "APPS_LIST": "Applications OAuth2",
+  "AUTHORIZE_APP": "Autoriser {0} à utiliser votre compte ?",
   "DELETE_APP": "Supprimer l'application",
   "NEW_APP": "Ajouter une App OAuth",
   "NO_DESCRIPTION": "pas de description",
diff --git a/fittrackee_client/src/router/index.ts b/fittrackee_client/src/router/index.ts
index 4001f399..59d4e77a 100644
--- a/fittrackee_client/src/router/index.ts
+++ b/fittrackee_client/src/router/index.ts
@@ -13,6 +13,7 @@ import UserInfosEdition from '@/components/User/ProfileEdition/UserInfosEdition.
 import UserPictureEdition from '@/components/User/ProfileEdition/UserPictureEdition.vue'
 import UserPreferencesEdition from '@/components/User/ProfileEdition/UserPreferencesEdition.vue'
 import AddUserApp from '@/components/User/UserApps/AddUserApp.vue'
+import AuthorizeUserApp from '@/components/User/UserApps/AuthorizeUserApp.vue'
 import UserApps from '@/components/User/UserApps/index.vue'
 import UserApp from '@/components/User/UserApps/UserApp.vue'
 import UserAppsList from '@/components/User/UserApps/UserAppsList.vue'
@@ -174,6 +175,11 @@ const routes: Array<RouteRecordRaw> = [
                 name: 'AddUserApp',
                 component: AddUserApp,
               },
+              {
+                path: 'authorize',
+                name: 'AuthorizeUserApp',
+                component: AuthorizeUserApp,
+              },
             ],
           },
         ],
diff --git a/fittrackee_client/src/store/modules/oauth2/actions.ts b/fittrackee_client/src/store/modules/oauth2/actions.ts
index 591716e8..7e1e9635 100644
--- a/fittrackee_client/src/store/modules/oauth2/actions.ts
+++ b/fittrackee_client/src/store/modules/oauth2/actions.ts
@@ -5,10 +5,60 @@ import router from '@/router'
 import { OAUTH2_STORE, ROOT_STORE } from '@/store/constants'
 import { IOAuth2Actions, IOAuth2State } from '@/store/modules/oauth2/types'
 import { IRootState } from '@/store/modules/root/types'
-import { IOauth2ClientsPayload, IOAuth2ClientPayload } from '@/types/oauth'
+import {
+  IOauth2ClientsPayload,
+  IOAuth2ClientPayload,
+  IOAuth2ClientAuthorizePayload,
+} from '@/types/oauth'
 import { handleError } from '@/utils'
 
+const get_client = (
+  context: ActionContext<IOAuth2State, IRootState>,
+  url: string
+) => {
+  context.commit(ROOT_STORE.MUTATIONS.EMPTY_ERROR_MESSAGES)
+  authApi
+    .get(url)
+    .then((res) => {
+      if (res.data.status === 'success') {
+        context.commit(OAUTH2_STORE.MUTATIONS.SET_CLIENT, res.data.data.client)
+      } else {
+        handleError(context, null)
+      }
+    })
+    .catch((error) => handleError(context, error))
+}
+
 export const actions: ActionTree<IOAuth2State, IRootState> & IOAuth2Actions = {
+  [OAUTH2_STORE.ACTIONS.AUTHORIZE_CLIENT](
+    context: ActionContext<IOAuth2State, IRootState>,
+    payload: IOAuth2ClientAuthorizePayload
+  ): void {
+    context.commit(ROOT_STORE.MUTATIONS.EMPTY_ERROR_MESSAGES)
+    const form = new FormData()
+    form.set('client_id', payload.client_id)
+    form.set('response_type', payload.response_type)
+    form.set('scope', payload.scope)
+    form.set('confirm', 'true')
+    if (payload.state) {
+      form.set('state', payload.state)
+    }
+
+    authApi
+      .post('oauth/authorize', form, {
+        headers: {
+          'Content-Type': 'multipart/form-data',
+        },
+      })
+      .then((res) => {
+        if (res.status == 200 && res.data.redirect_url) {
+          window.location.href = res.data.redirect_url
+        } else {
+          handleError(context, null)
+        }
+      })
+      .catch((error) => handleError(context, error))
+  },
   [OAUTH2_STORE.ACTIONS.CREATE_CLIENT](
     context: ActionContext<IOAuth2State, IRootState>,
     payload: IOAuth2ClientPayload
@@ -47,24 +97,17 @@ export const actions: ActionTree<IOAuth2State, IRootState> & IOAuth2Actions = {
       })
       .catch((error) => handleError(context, error))
   },
+  [OAUTH2_STORE.ACTIONS.GET_CLIENT_BY_CLIENT_ID](
+    context: ActionContext<IOAuth2State, IRootState>,
+    client_id: string
+  ): void {
+    get_client(context, `oauth/apps/${client_id}`)
+  },
   [OAUTH2_STORE.ACTIONS.GET_CLIENT_BY_ID](
     context: ActionContext<IOAuth2State, IRootState>,
     id: number
   ): void {
-    context.commit(ROOT_STORE.MUTATIONS.EMPTY_ERROR_MESSAGES)
-    authApi
-      .get(`oauth/apps/${id}/by_id`)
-      .then((res) => {
-        if (res.data.status === 'success') {
-          context.commit(
-            OAUTH2_STORE.MUTATIONS.SET_CLIENT,
-            res.data.data.client
-          )
-        } else {
-          handleError(context, null)
-        }
-      })
-      .catch((error) => handleError(context, error))
+    get_client(context, `oauth/apps/${id}/by_id`)
   },
   [OAUTH2_STORE.ACTIONS.GET_CLIENTS](
     context: ActionContext<IOAuth2State, IRootState>,
diff --git a/fittrackee_client/src/store/modules/oauth2/enums.ts b/fittrackee_client/src/store/modules/oauth2/enums.ts
index eff0e94e..4cf330fc 100644
--- a/fittrackee_client/src/store/modules/oauth2/enums.ts
+++ b/fittrackee_client/src/store/modules/oauth2/enums.ts
@@ -1,7 +1,9 @@
 export enum OAuth2Actions {
+  AUTHORIZE_CLIENT = 'AUTHORIZE_CLIENT',
   CREATE_CLIENT = 'CREATE_CLIENT',
   DELETE_CLIENT = 'DELETE_CLIENT',
   GET_CLIENTS = 'GET_CLIENTS',
+  GET_CLIENT_BY_CLIENT_ID = 'GET_CLIENT_BY_CLIENT_ID',
   GET_CLIENT_BY_ID = 'GET_CLIENT_BY_ID',
 }
 
diff --git a/fittrackee_client/src/store/modules/oauth2/types.ts b/fittrackee_client/src/store/modules/oauth2/types.ts
index 287fe5df..a93b7006 100644
--- a/fittrackee_client/src/store/modules/oauth2/types.ts
+++ b/fittrackee_client/src/store/modules/oauth2/types.ts
@@ -10,6 +10,7 @@ import { IRootState } from '@/store/modules/root/types'
 import { IPagination } from '@/types/api'
 import {
   IOAuth2Client,
+  IOAuth2ClientAuthorizePayload,
   IOAuth2ClientPayload,
   IOauth2ClientsPayload,
 } from '@/types/oauth'
@@ -21,6 +22,10 @@ export interface IOAuth2State {
 }
 
 export interface IOAuth2Actions {
+  [OAUTH2_STORE.ACTIONS.AUTHORIZE_CLIENT](
+    context: ActionContext<IOAuth2State, IRootState>,
+    payload: IOAuth2ClientAuthorizePayload
+  ): void
   [OAUTH2_STORE.ACTIONS.CREATE_CLIENT](
     context: ActionContext<IOAuth2State, IRootState>,
     payload: IOAuth2ClientPayload
@@ -29,6 +34,10 @@ export interface IOAuth2Actions {
     context: ActionContext<IOAuth2State, IRootState>,
     id: number
   ): void
+  [OAUTH2_STORE.ACTIONS.GET_CLIENT_BY_CLIENT_ID](
+    context: ActionContext<IOAuth2State, IRootState>,
+    client_id: string
+  ): void
   [OAUTH2_STORE.ACTIONS.GET_CLIENT_BY_ID](
     context: ActionContext<IOAuth2State, IRootState>,
     id: number
diff --git a/fittrackee_client/src/types/oauth.ts b/fittrackee_client/src/types/oauth.ts
index d3d4fc62..e2b552d2 100644
--- a/fittrackee_client/src/types/oauth.ts
+++ b/fittrackee_client/src/types/oauth.ts
@@ -21,3 +21,11 @@ export interface IOAuth2ClientPayload {
 export interface IOauth2ClientsPayload {
   page?: number
 }
+
+export interface IOAuth2ClientAuthorizePayload {
+  client_id: string
+  redirect_uri: string
+  response_type: string
+  scope: string
+  state?: string
+}