diff --git a/sidebars.js b/sidebars.js
index c794130..75dda52 100644
--- a/sidebars.js
+++ b/sidebars.js
@@ -61,25 +61,49 @@ const sidebars = {
       label: 'Reference',
       collapsible: false,
       items: [
-        'reference/android-sdk-setup',
-        'reference/android-demo-app',
-        'reference/android-integration-walkthrough',
-        'reference/android-pax-integration-guide',
-        'reference/android-cloud-api-integration-guide',
-        'reference/android-hilite-integration-walkthrough',
-        'reference/cloud-api-integration-guide',
-        'reference/javascript-sdk-setup',
-        'reference/windows-sdk-setup',
-        'reference/authentication',
-        'reference/development-hardware',
-        'reference/manual-injection',
-        'reference/pre-authorization-guide',
-        'reference/tipping-guide',
-        'reference/callback-url',
-        'reference/multi-mid',
-        'reference/avs',
-        'reference/fee-mitigation',
-        'reference/partial-approval',
+        {
+          type: 'category',
+          label: 'Setup & Authentication',
+          items: [
+            'reference/authentication',
+            'reference/android-sdk-setup',
+            'reference/android-integration-walkthrough',
+            'reference/android-pax-integration-guide',
+            'reference/android-hilite-integration-walkthrough',
+            'reference/android-cloud-api-integration-guide',
+            'reference/android-demo-app',
+            'reference/javascript-sdk-setup',
+            'reference/cloud-api-integration-guide',
+            'reference/windows-sdk-setup',
+          ],
+        },
+        {
+          type: 'category',
+          label: 'Hardware & Devices',
+          items: [
+            'reference/development-hardware',
+            'reference/devices',
+            'reference/manual-injection',
+            'reference/hilite-vs-pax',
+          ],
+        },
+        {
+          type: 'category',
+          label: 'Payments & Features',
+          items: [
+            'reference/pre-authorization-guide',
+            'reference/partial-approval',
+            'reference/moto-guide',
+            'reference/avs',
+            'reference/multi-mid',
+            'reference/fee-mitigation',
+            'reference/tipping-guide',
+            'reference/callback-url',
+            'reference/money-remittance-guide',
+            'reference/interac-void',
+            'reference/terminal-reversals',
+          ],
+        },
         {
           type: 'category',
           label: 'Transaction Recovery',
@@ -92,28 +116,40 @@ const sidebars = {
             'reference/transaction-recovery-windows-sdk',
           ],
         },
-        'reference/terminal-reversals',
-        'reference/testing-edge-cases',
-        'reference/devices',
-        'reference/acquirer-capabilities-matrix',
-        'reference/interac-void',
-        'reference/transaction-result-object',
-        'reference/error-codes',
-        'reference/error-handling-guide',
-        'reference/cloud-api-operations',
-        'reference/glossary',
-        'reference/cordova-events',
-        'reference/hilite-vs-pax',
-        'reference/moto-guide',
-        'reference/money-remittance-guide',
-        'reference/receipt-compliance',
-        'reference/validate-integration',
-        'reference/validate-integration-android-sdk',
-        'reference/known-issues',
         {
-          type: 'link',
-          label: 'OpenAPI Specification',
-          href: '/openapi.yaml',
+          type: 'category',
+          label: 'Testing & Validation',
+          items: [
+            'reference/validate-integration',
+            'reference/validate-integration-android-sdk',
+            'reference/testing-edge-cases',
+          ],
+        },
+        {
+          type: 'category',
+          label: 'Technical Reference',
+          items: [
+            'reference/transaction-result-object',
+            'reference/error-codes',
+            'reference/error-handling-guide',
+            'reference/cloud-api-operations',
+            'reference/cordova-events',
+            'reference/acquirer-capabilities-matrix',
+            'reference/receipt-compliance',
+            'reference/glossary',
+            {
+              type: 'link',
+              label: 'OpenAPI Specification',
+              href: '/openapi.yaml',
+            },
+          ],
+        },
+        {
+          type: 'category',
+          label: 'Troubleshooting',
+          items: [
+            'reference/known-issues',
+          ],
         },
       ],
     },