diff --git a/frontend/src/services/API.ts b/frontend/src/services/API.ts
index 6e54325..56052af 100644
--- a/frontend/src/services/API.ts
+++ b/frontend/src/services/API.ts
@@ -4,7 +4,6 @@ import timeSlots from "./timeSlots";
 import interviews from "./interviews";
 import availabilities from "./availabilities";
 import recruitmentSessions from "./recruitmentSessions";
-import { useAuth0 } from "@auth0/auth0-react";
 
 const api = {
   users,
@@ -18,7 +17,7 @@ const api = {
 export default api;
 
 type HttpRequestOptions = {
-  authRequired?: boolean;
+  authToken?: string;
   body?: object;
 };
 
@@ -36,7 +35,7 @@ export class Api {
     try {
       /* Prepare request parameters */
       const headers: HeadersInit = await Api.buildHeaders(
-        options.authRequired ?? false,
+        options.authToken ?? "",
         true
       );
       const init = {
@@ -54,36 +53,36 @@ export class Api {
     return await this.handleResponse(response);
   }
 
-  static async get(endpoint: string, authRequired: boolean = true) {
-    return Api.httpRequest(endpoint, "GET", { authRequired });
+  static async get(endpoint: string, authToken: string = "") {
+    return Api.httpRequest(endpoint, "GET", { authToken });
   }
 
   static async post(
     endpoint: string,
     body: object = {},
-    authRequired: boolean = false
+    authToken: string = ""
   ) {
-    return Api.httpRequest(endpoint, "POST", { authRequired, body });
+    return Api.httpRequest(endpoint, "POST", { authToken, body });
   }
 
   static async put(
     endpoint: string,
     body: object = {},
-    authRequired: boolean = false
+    authToken: string = ""
   ) {
-    return Api.httpRequest(endpoint, "PUT", { authRequired, body });
+    return Api.httpRequest(endpoint, "PUT", { authToken, body });
   }
 
   static async patch(
     endpoint: string,
     body: object = {},
-    authRequired: boolean = false
+    authToken: string = ""
   ) {
-    return Api.httpRequest(endpoint, "PATCH", { authRequired, body });
+    return Api.httpRequest(endpoint, "PATCH", { authToken, body });
   }
 
-  static async delete(endpoint: string, authRequired: boolean = false) {
-    return Api.httpRequest(endpoint, "DELETE", { authRequired });
+  static async delete(endpoint: string, authToken: string = "") {
+    return Api.httpRequest(endpoint, "DELETE", { authToken });
   }
 
   static async handleResponse(response: Response) {
@@ -95,13 +94,11 @@ export class Api {
   }
 
   static async buildHeaders(
-    authRequired: boolean = false,
+    token: string = "",
     json: boolean = false
   ): Promise<HeadersInit> {
     const headers: HeadersInit = new Headers();
-    if (authRequired) {
-      const { getAccessTokenSilently } = useAuth0();
-      const token = await getAccessTokenSilently();
+    if (token) {
       headers.append("Authorization", `Bearer ${token}`);
     }
     if (json) {
diff --git a/frontend/src/services/applications.ts b/frontend/src/services/applications.ts
index 9a11348..403bdd3 100644
--- a/frontend/src/services/applications.ts
+++ b/frontend/src/services/applications.ts
@@ -3,8 +3,8 @@ import { Api } from "./api";
 const resource = "applications";
 
 const applications = {
-  getApplications: async () => {
-    return await Api.get(`${resource}`);
+  getApplications: async (accessToken: string | undefined) => {
+    return await Api.get(`${resource}`, accessToken);
   },
 };
 
diff --git a/frontend/src/services/availabilities.ts b/frontend/src/services/availabilities.ts
index cb20476..0dd558b 100644
--- a/frontend/src/services/availabilities.ts
+++ b/frontend/src/services/availabilities.ts
@@ -3,8 +3,8 @@ import { Api } from "./api";
 const resource = "availabilities";
 
 const availabilities = {
-  getAvailabilities: async () => {
-    return await Api.get(`${resource}`);
+  getAvailabilities: async (accessToken: string | undefined) => {
+    return await Api.get(`${resource}`, accessToken);
   },
 };
 
diff --git a/frontend/src/services/interviews.ts b/frontend/src/services/interviews.ts
index 02613f8..660aef9 100644
--- a/frontend/src/services/interviews.ts
+++ b/frontend/src/services/interviews.ts
@@ -3,13 +3,21 @@ import { Api } from "./api";
 const resource = "interviews";
 
 const interviews = {
-  getInterviewsByDates: async (startDate: string, endDate: string) => {
+  getInterviewsByDates: async (
+    startDate: string,
+    endDate: string,
+    accessToken: string | undefined
+  ) => {
     return await Api.get(
-      `${resource}?startDate=${startDate}&endDate=${endDate}}`
+      `${resource}?startDate=${startDate}&endDate=${endDate}}`,
+      accessToken
     );
   },
-  getInterviewsByDate: async (date: string) => {
-    return await Api.get(`${resource}?date=${date}`);
+  getInterviewsByDate: async (
+    date: string,
+    accessToken: string | undefined
+  ) => {
+    return await Api.get(`${resource}?date=${date}`, accessToken);
   },
 };
 
diff --git a/frontend/src/services/recruitmentSessions.ts b/frontend/src/services/recruitmentSessions.ts
index 0a2b37e..20de7c4 100644
--- a/frontend/src/services/recruitmentSessions.ts
+++ b/frontend/src/services/recruitmentSessions.ts
@@ -3,8 +3,8 @@ import { Api } from "./api";
 const resource = "recruitment-session";
 
 const recruitmentSessions = {
-  getActive: async () => {
-    return await Api.get(`${resource}`);
+  getActive: async (accessToken: string | undefined) => {
+    return await Api.get(`${resource}`, accessToken);
   },
 };
 
diff --git a/frontend/src/services/timeslots.ts b/frontend/src/services/timeslots.ts
index 76d7140..59e3911 100644
--- a/frontend/src/services/timeslots.ts
+++ b/frontend/src/services/timeslots.ts
@@ -3,8 +3,8 @@ import { Api } from "./api";
 const resource = "timeslots";
 
 const timeslots = {
-  getApplicants: async () => {
-    return await Api.get(`${resource}`);
+  getApplicants: async (accessToken: string | undefined) => {
+    return await Api.get(`${resource}`, accessToken);
   },
 };
 
diff --git a/frontend/src/services/users.ts b/frontend/src/services/users.ts
index 31dfd32..1420654 100644
--- a/frontend/src/services/users.ts
+++ b/frontend/src/services/users.ts
@@ -3,8 +3,8 @@ import { Api } from "./api";
 const resource = "users";
 
 const users = {
-  getUsers: async () => {
-    return await Api.get(`${resource}`);
+  getUsers: async (accessToken: string | undefined) => {
+    return await Api.get(`${resource}`, accessToken);
   },
 };