diff --git a/.changeset/weak-drinks-report.md b/.changeset/weak-drinks-report.md
new file mode 100644
index 0000000000..1f8ee512ba
--- /dev/null
+++ b/.changeset/weak-drinks-report.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-code-climate': patch
+---
+
+Send Authorization headers in fetch requests using FetchApi in Code Climate plugin to fix unauthorized requests to Backstage backends with authentication enabled.
diff --git a/plugins/code-climate/api-report.md b/plugins/code-climate/api-report.md
index b0cc3e1450..5ef53cf543 100644
--- a/plugins/code-climate/api-report.md
+++ b/plugins/code-climate/api-report.md
@@ -8,6 +8,7 @@
 import { ApiRef } from '@backstage/core-plugin-api';
 import { BackstagePlugin } from '@backstage/core-plugin-api';
 import { DiscoveryApi } from '@backstage/core-plugin-api';
+import { FetchApi } from '@backstage/core-plugin-api';
 import { RouteRef } from '@backstage/core-plugin-api';
 
 // Warning: (ae-missing-release-tag) "CodeClimateApi" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
@@ -74,7 +75,8 @@ export const mockData: CodeClimateData;
 //
 // @public (undocumented)
 export class ProductionCodeClimateApi implements CodeClimateApi {
-  constructor(discoveryApi: DiscoveryApi);
+  // Warning: (ae-forgotten-export) The symbol "Options" needs to be exported by the entry point index.d.ts
+  constructor(options: Options);
   // (undocumented)
   fetchAllData(options: {
     apiUrl: string;
diff --git a/plugins/code-climate/src/api/production-api.ts b/plugins/code-climate/src/api/production-api.ts
index 665d7e9f63..81ba6b9ad6 100644
--- a/plugins/code-climate/src/api/production-api.ts
+++ b/plugins/code-climate/src/api/production-api.ts
@@ -22,7 +22,7 @@ import {
   CodeClimateIssuesData,
 } from './code-climate-data';
 import { CodeClimateApi } from './code-climate-api';
-import { DiscoveryApi } from '@backstage/core-plugin-api';
+import { DiscoveryApi, FetchApi } from '@backstage/core-plugin-api';
 import { Duration } from 'luxon';
 import humanizeDuration from 'humanize-duration';
 
@@ -34,8 +34,19 @@ const codeSmellsQuery = `${basicIssuesOptions}&${categoriesFilter}=Complexity`;
 const duplicationQuery = `${basicIssuesOptions}&${categoriesFilter}=Duplication`;
 const otherIssuesQuery = `${basicIssuesOptions}&${categoriesFilter}=Bug%20Risk`;
 
+type Options = {
+  discoveryApi: DiscoveryApi;
+  fetchApi: FetchApi;
+};
+
 export class ProductionCodeClimateApi implements CodeClimateApi {
-  constructor(private readonly discoveryApi: DiscoveryApi) {}
+  private readonly discoveryApi: DiscoveryApi;
+  private readonly fetchApi: FetchApi;
+
+  constructor(options: Options) {
+    this.discoveryApi = options.discoveryApi;
+    this.fetchApi = options.fetchApi;
+  }
 
   async fetchAllData(options: {
     apiUrl: string;
@@ -44,7 +55,6 @@ export class ProductionCodeClimateApi implements CodeClimateApi {
     testReportID: string;
   }): Promise<any> {
     const { apiUrl, repoID, snapshotID, testReportID } = options;
-
     const [
       maintainabilityResponse,
       testCoverageResponse,
@@ -52,15 +62,19 @@ export class ProductionCodeClimateApi implements CodeClimateApi {
       duplicationResponse,
       otherIssuesResponse,
     ] = await Promise.all([
-      await fetch(`${apiUrl}/repos/${repoID}/snapshots/${snapshotID}`),
-      await fetch(`${apiUrl}/repos/${repoID}/test_reports/${testReportID}`),
-      await fetch(
+      await this.fetchApi.fetch(
+        `${apiUrl}/repos/${repoID}/snapshots/${snapshotID}`,
+      ),
+      await this.fetchApi.fetch(
+        `${apiUrl}/repos/${repoID}/test_reports/${testReportID}`,
+      ),
+      await this.fetchApi.fetch(
         `${apiUrl}/repos/${repoID}/snapshots/${snapshotID}/issues?${codeSmellsQuery}`,
       ),
-      await fetch(
+      await this.fetchApi.fetch(
         `${apiUrl}/repos/${repoID}/snapshots/${snapshotID}/issues?${duplicationQuery}`,
       ),
-      await fetch(
+      await this.fetchApi.fetch(
         `${apiUrl}/repos/${repoID}/snapshots/${snapshotID}/issues?${otherIssuesQuery}`,
       ),
     ]);
@@ -109,7 +123,7 @@ export class ProductionCodeClimateApi implements CodeClimateApi {
       'proxy',
     )}/codeclimate/api`;
 
-    const repoResponse = await fetch(`${apiUrl}/repos/${repoID}`);
+    const repoResponse = await this.fetchApi.fetch(`${apiUrl}/repos/${repoID}`);
 
     if (!repoResponse.ok) {
       throw new Error('Failed fetching Code Climate info');
diff --git a/plugins/code-climate/src/plugin.ts b/plugins/code-climate/src/plugin.ts
index dcf86f1e19..54502b6355 100644
--- a/plugins/code-climate/src/plugin.ts
+++ b/plugins/code-climate/src/plugin.ts
@@ -20,7 +20,7 @@ import {
   createPlugin,
   createRouteRef,
   discoveryApiRef,
-  identityApiRef,
+  fetchApiRef,
   createComponentExtension,
 } from '@backstage/core-plugin-api';
 
@@ -37,9 +37,10 @@ export const codeClimatePlugin = createPlugin({
       api: codeClimateApiRef,
       deps: {
         discoveryApi: discoveryApiRef,
-        identityApi: identityApiRef,
+        fetchApi: fetchApiRef,
       },
-      factory: ({ discoveryApi }) => new ProductionCodeClimateApi(discoveryApi),
+      factory: ({ discoveryApi, fetchApi }) =>
+        new ProductionCodeClimateApi({ discoveryApi, fetchApi }),
     }),
   ],
   routes: {