diff --git a/x-pack/plugins/observability_solution/observability/server/lib/annotations/register_annotation_apis.ts b/x-pack/plugins/observability_solution/observability/server/lib/annotations/register_annotation_apis.ts
index 8af247721acb..59ae964ce883 100644
--- a/x-pack/plugins/observability_solution/observability/server/lib/annotations/register_annotation_apis.ts
+++ b/x-pack/plugins/observability_solution/observability/server/lib/annotations/register_annotation_apis.ts
@@ -98,6 +98,9 @@ export function registerAnnotationAPIs({
       validate: {
         body: unknowns,
       },
+      options: {
+        access: 'public',
+      },
     },
     wrapRouteHandler(t.type({ body: createAnnotationRt }), ({ data, client }) => {
       return client.create(data.body);
@@ -110,6 +113,9 @@ export function registerAnnotationAPIs({
       validate: {
         body: unknowns,
       },
+      options: {
+        access: 'public',
+      },
     },
     wrapRouteHandler(t.type({ body: updateAnnotationRt }), ({ data, client }) => {
       return client.update(data.body);
@@ -122,6 +128,9 @@ export function registerAnnotationAPIs({
       validate: {
         params: unknowns,
       },
+      options: {
+        access: 'public',
+      },
     },
     wrapRouteHandler(t.type({ params: deleteAnnotationRt }), ({ data, client }) => {
       return client.delete(data.params);
@@ -134,6 +143,9 @@ export function registerAnnotationAPIs({
       validate: {
         params: unknowns,
       },
+      options: {
+        access: 'public',
+      },
     },
     wrapRouteHandler(t.type({ params: getAnnotationByIdRt }), ({ data, client }) => {
       return client.getById(data.params);
@@ -146,6 +158,9 @@ export function registerAnnotationAPIs({
       validate: {
         query: unknowns,
       },
+      options: {
+        access: 'public',
+      },
     },
     wrapRouteHandler(t.type({ query: findAnnotationRt }), ({ data, client }) => {
       return client.find(data.query);
@@ -158,6 +173,9 @@ export function registerAnnotationAPIs({
       validate: {
         query: unknowns,
       },
+      options: {
+        access: 'public',
+      },
     },
     wrapRouteHandler(t.type({}), ({ client }) => {
       return client.permissions();
diff --git a/x-pack/plugins/observability_solution/observability/server/routes/assistant/route.ts b/x-pack/plugins/observability_solution/observability/server/routes/assistant/route.ts
index e6e04704971d..f5c6c393371c 100644
--- a/x-pack/plugins/observability_solution/observability/server/routes/assistant/route.ts
+++ b/x-pack/plugins/observability_solution/observability/server/routes/assistant/route.ts
@@ -13,6 +13,7 @@ const getObservabilityAlertDetailsContextRoute = createObservabilityServerRoute(
   endpoint: 'GET /internal/observability/assistant/alert_details_contextual_insights',
   options: {
     tags: [],
+    access: 'internal',
   },
   params: t.type({
     query: alertDetailsContextRt,
diff --git a/x-pack/plugins/observability_solution/observability/server/routes/rules/route.ts b/x-pack/plugins/observability_solution/observability/server/routes/rules/route.ts
index c33f58f6ea75..909b11cb713a 100644
--- a/x-pack/plugins/observability_solution/observability/server/routes/rules/route.ts
+++ b/x-pack/plugins/observability_solution/observability/server/routes/rules/route.ts
@@ -13,6 +13,7 @@ const alertsDynamicIndexPatternRoute = createObservabilityServerRoute({
   endpoint: 'GET /api/observability/rules/alerts/dynamic_index_pattern 2023-10-31',
   options: {
     tags: [],
+    access: 'public',
   },
   params: t.type({
     query: t.type({