diff --git a/.changeset/big-buses-clap.md b/.changeset/big-buses-clap.md
new file mode 100644
index 0000000000..503aa314bc
--- /dev/null
+++ b/.changeset/big-buses-clap.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-bazaar': patch
+---
+
+Pass authorization header with Backstage token to backend requests.
diff --git a/plugins/bazaar/src/api.ts b/plugins/bazaar/src/api.ts
index 2d661506bc..d2486f74dc 100644
--- a/plugins/bazaar/src/api.ts
+++ b/plugins/bazaar/src/api.ts
@@ -17,6 +17,7 @@
 import {
   createApiRef,
   DiscoveryApi,
+  FetchApi,
   IdentityApi,
 } from '@backstage/core-plugin-api';
 
@@ -47,49 +48,53 @@ export interface BazaarApi {
 export class BazaarClient implements BazaarApi {
   private readonly identityApi: IdentityApi;
   private readonly discoveryApi: DiscoveryApi;
+  private readonly fetchApi: FetchApi;
 
   constructor(options: {
     identityApi: IdentityApi;
     discoveryApi: DiscoveryApi;
+    fetchApi: FetchApi;
   }) {
     this.identityApi = options.identityApi;
     this.discoveryApi = options.discoveryApi;
+    this.fetchApi = options.fetchApi;
   }
 
   async updateProject(bazaarProject: any): Promise<any> {
     const baseUrl = await this.discoveryApi.getBaseUrl('bazaar');
 
-    return await fetch(`${baseUrl}/projects`, {
-      method: 'PUT',
-      headers: {
-        Accept: 'application/json',
-        'Content-Type': 'application/json',
-      },
-      body: JSON.stringify(bazaarProject),
-    }).then(resp => resp.json());
+    return await this.fetchApi
+      .fetch(`${baseUrl}/projects`, {
+        method: 'PUT',
+        headers: {
+          Accept: 'application/json',
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify(bazaarProject),
+      })
+      .then(resp => resp.json());
   }
 
   async addProject(bazaarProject: any): Promise<any> {
     const baseUrl = await this.discoveryApi.getBaseUrl('bazaar');
 
-    return await fetch(`${baseUrl}/projects`, {
-      method: 'POST',
-      headers: {
-        Accept: 'application/json',
-        'Content-Type': 'application/json',
-      },
-      body: JSON.stringify(bazaarProject),
-    }).then(resp => resp.json());
+    return await this.fetchApi
+      .fetch(`${baseUrl}/projects`, {
+        method: 'POST',
+        headers: {
+          Accept: 'application/json',
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify(bazaarProject),
+      })
+      .then(resp => resp.json());
   }
 
   async getProjectById(id: number): Promise<any> {
     const baseUrl = await this.discoveryApi.getBaseUrl('bazaar');
 
-    const response = await fetch(
+    const response = await this.fetchApi.fetch(
       `${baseUrl}/projects/${encodeURIComponent(id)}`,
-      {
-        method: 'GET',
-      },
     );
 
     return response.ok ? response : null;
@@ -98,11 +103,8 @@ export class BazaarClient implements BazaarApi {
   async getProjectByRef(entityRef: string): Promise<any> {
     const baseUrl = await this.discoveryApi.getBaseUrl('bazaar');
 
-    const response = await fetch(
+    const response = await this.fetchApi.fetch(
       `${baseUrl}/projects/${encodeURIComponent(entityRef)}`,
-      {
-        method: 'GET',
-      },
     );
 
     return response.ok ? response : null;
@@ -111,19 +113,16 @@ export class BazaarClient implements BazaarApi {
   async getMembers(id: number): Promise<any> {
     const baseUrl = await this.discoveryApi.getBaseUrl('bazaar');
 
-    return await fetch(
-      `${baseUrl}/projects/${encodeURIComponent(id)}/members`,
-      {
-        method: 'GET',
-      },
-    ).then(resp => resp.json());
+    return await this.fetchApi
+      .fetch(`${baseUrl}/projects/${encodeURIComponent(id)}/members`)
+      .then(resp => resp.json());
   }
 
   async addMember(id: number, userId: string): Promise<void> {
     const baseUrl = await this.discoveryApi.getBaseUrl('bazaar');
     const { picture } = await this.identityApi.getProfileInfo();
 
-    await fetch(
+    await this.fetchApi.fetch(
       `${baseUrl}/projects/${encodeURIComponent(
         id,
       )}/member/${encodeURIComponent(userId)}`,
@@ -141,28 +140,26 @@ export class BazaarClient implements BazaarApi {
   async deleteMember(id: number, userId: string): Promise<void> {
     const baseUrl = await this.discoveryApi.getBaseUrl('bazaar');
 
-    await fetch(
+    await this.fetchApi.fetch(
       `${baseUrl}/projects/${encodeURIComponent(
         id,
       )}/member/${encodeURIComponent(userId)}`,
-      {
-        method: 'DELETE',
-      },
+      { method: 'DELETE' },
     );
   }
 
   async getProjects(): Promise<any> {
     const baseUrl = await this.discoveryApi.getBaseUrl('bazaar');
 
-    return await fetch(`${baseUrl}/projects`, {
-      method: 'GET',
-    }).then(resp => resp.json());
+    return await this.fetchApi
+      .fetch(`${baseUrl}/projects`)
+      .then(resp => resp.json());
   }
 
   async deleteProject(id: number): Promise<void> {
     const baseUrl = await this.discoveryApi.getBaseUrl('bazaar');
 
-    await fetch(`${baseUrl}/projects/${encodeURIComponent(id)}`, {
+    await this.fetchApi.fetch(`${baseUrl}/projects/${encodeURIComponent(id)}`, {
       method: 'DELETE',
     });
   }
diff --git a/plugins/bazaar/src/plugin.ts b/plugins/bazaar/src/plugin.ts
index 5eb5e2aacd..438208624e 100644
--- a/plugins/bazaar/src/plugin.ts
+++ b/plugins/bazaar/src/plugin.ts
@@ -21,6 +21,7 @@ import {
   createRoutableExtension,
   identityApiRef,
   discoveryApiRef,
+  fetchApiRef,
 } from '@backstage/core-plugin-api';
 import { bazaarApiRef, BazaarClient } from './api';
 
@@ -35,9 +36,10 @@ export const bazaarPlugin = createPlugin({
       deps: {
         identityApi: identityApiRef,
         discoveryApi: discoveryApiRef,
+        fetchApi: fetchApiRef,
       },
-      factory: ({ identityApi, discoveryApi }) =>
-        new BazaarClient({ identityApi, discoveryApi }),
+      factory: ({ identityApi, discoveryApi, fetchApi }) =>
+        new BazaarClient({ identityApi, discoveryApi, fetchApi }),
     }),
   ],
 });