diff --git a/packages/frontend-plugin-api/report.api.md b/packages/frontend-plugin-api/report.api.md
index 89fc72992a..85c6b7494c 100644
--- a/packages/frontend-plugin-api/report.api.md
+++ b/packages/frontend-plugin-api/report.api.md
@@ -19,6 +19,7 @@ import { JSX as JSX_2 } from 'react/jsx-runtime';
 import { JSX as JSX_3 } from 'react';
 import { Observable } from '@backstage/types';
 import { PropsWithChildren } from 'react';
+import { ReactElement } from 'react';
 import { ReactNode } from 'react';
 import { SwappableComponentRef as SwappableComponentRef_2 } from '@backstage/frontend-plugin-api';
 import type { z } from 'zod';
@@ -1935,6 +1936,37 @@ export interface SwappableComponentsApi {
 // @public
 export const swappableComponentsApiRef: ApiRef_2<SwappableComponentsApi>;
 
+// @public
+export type ToastApi = {
+  post(toast: ToastMessage): string;
+  close(key: string): void;
+  toast$(): Observable<ToastMessageWithKey>;
+};
+
+// @public
+export const toastApiRef: ApiRef<ToastApi>;
+
+// @public
+export type ToastLink = {
+  label: string;
+  href: string;
+};
+
+// @public
+export type ToastMessage = {
+  title: ReactNode;
+  description?: ReactNode;
+  status?: 'info' | 'success' | 'warning' | 'danger';
+  icon?: boolean | ReactElement;
+  links?: ToastLink[];
+  timeout?: number;
+};
+
+// @public
+export type ToastMessageWithKey = ToastMessage & {
+  key: string;
+};
+
 // @public (undocumented)
 export type TranslationApi = {
   getTranslation<
diff --git a/packages/frontend-plugin-api/src/apis/definitions/ToastApi.ts b/packages/frontend-plugin-api/src/apis/definitions/ToastApi.ts
index fafe302b6a..4fd85e81db 100644
--- a/packages/frontend-plugin-api/src/apis/definitions/ToastApi.ts
+++ b/packages/frontend-plugin-api/src/apis/definitions/ToastApi.ts
@@ -51,9 +51,9 @@ export type ToastMessage = {
 };
 
 /**
- * Internal toast message with key for tracking.
+ * Toast message with key, as returned by the toast$() observable.
  *
- * @internal
+ * @public
  */
 export type ToastMessageWithKey = ToastMessage & {
   /** Unique key for the toast, used for programmatic dismiss */
diff --git a/packages/ui/report.api.md b/packages/ui/report.api.md
index 9eb786c5de..c80da62db9 100644
--- a/packages/ui/report.api.md
+++ b/packages/ui/report.api.md
@@ -54,7 +54,6 @@ import type { TagGroupProps as TagGroupProps_2 } from 'react-aria-components';
 import type { TagListProps } from 'react-aria-components';
 import type { TagProps as TagProps_2 } from 'react-aria-components';
 import type { TextFieldProps as TextFieldProps_2 } from 'react-aria-components';
-import { ToastQueue } from 'react-stately';
 import type { ToggleButtonGroupProps as ToggleButtonGroupProps_2 } from 'react-aria-components';
 import type { ToggleButtonProps as ToggleButtonProps_2 } from 'react-aria-components';
 import { TooltipProps as TooltipProps_2 } from 'react-aria-components';
@@ -2180,52 +2179,6 @@ export type TextVariants =
 // @public (undocumented)
 export type TextWeights = 'regular' | 'bold';
 
-// @public
-export const ToastContainer: ForwardRefExoticComponent<
-  ToastContainerProps & RefAttributes<HTMLDivElement>
->;
-
-// @public
-export const ToastContainerDefinition: {
-  readonly styles: {
-    readonly [key: string]: string;
-  };
-  readonly classNames: {
-    readonly container: 'bui-ToastContainer';
-  };
-  readonly propDefs: {
-    readonly queue: {};
-    readonly className: {};
-  };
-};
-
-// @public
-export type ToastContainerOwnProps = {
-  queue: ToastQueue<ToastContent>;
-  className?: string;
-};
-
-// @public
-export interface ToastContainerProps extends ToastContainerOwnProps {}
-
-// @public
-export interface ToastContent {
-  description?: ReactNode;
-  icon?: boolean | ReactElement;
-  links?: ToastLink[];
-  status?: 'info' | 'success' | 'warning' | 'danger';
-  title: ReactNode;
-}
-
-// @public
-export interface ToastLink {
-  href: string;
-  label: string;
-}
-
-// @public
-export const toastQueue: ToastQueue<ToastContent>;
-
 // @public (undocumented)
 export const ToggleButton: ForwardRefExoticComponent<
   ToggleButtonProps & RefAttributes<HTMLButtonElement>
diff --git a/plugins/app/report.api.md b/plugins/app/report.api.md
index 256517b86f..c950aa4f3a 100644
--- a/plugins/app/report.api.md
+++ b/plugins/app/report.api.md
@@ -15,9 +15,11 @@ import { ExtensionDataRef } from '@backstage/frontend-plugin-api';
 import { ExtensionInput } from '@backstage/frontend-plugin-api';
 import { IconComponent } from '@backstage/frontend-plugin-api';
 import { JSX as JSX_2 } from 'react';
+import { JSX as JSX_3 } from 'react/jsx-runtime';
 import { NavContentComponent } from '@backstage/plugin-app-react';
 import { OverridableExtensionDefinition } from '@backstage/frontend-plugin-api';
 import { OverridableFrontendPlugin } from '@backstage/frontend-plugin-api';
+import type { ReactElement } from 'react';
 import { ReactNode } from 'react';
 import { RouteRef } from '@backstage/frontend-plugin-api';
 import { SignInPageProps } from '@backstage/plugin-app-react';
@@ -698,6 +700,21 @@ const appPlugin: OverridableFrontendPlugin<
         params: ApiFactory<TApi, TImpl, TDeps>,
       ) => ExtensionBlueprintParams<AnyApiFactory>;
     }>;
+    'api:app/toast': OverridableExtensionDefinition<{
+      kind: 'api';
+      name: 'toast';
+      config: {};
+      configInput: {};
+      output: ExtensionDataRef<AnyApiFactory, 'core.api.factory', {}>;
+      inputs: {};
+      params: <
+        TApi,
+        TImpl extends TApi,
+        TDeps extends { [name in string]: unknown },
+      >(
+        params: ApiFactory<TApi, TImpl, TDeps>,
+      ) => ExtensionBlueprintParams<AnyApiFactory>;
+    }>;
     'api:app/translations': OverridableExtensionDefinition<{
       config: {};
       configInput: {};
@@ -1004,5 +1021,33 @@ const appPlugin: OverridableFrontendPlugin<
 >;
 export default appPlugin;
 
+// @public
+export interface ToastContent {
+  description?: ReactNode;
+  icon?: boolean | ReactElement;
+  links?: ToastLink[];
+  status?: 'info' | 'success' | 'warning' | 'danger';
+  title: ReactNode;
+}
+
+// @public
+export function ToastDisplay(props: ToastDisplayProps): JSX_3.Element;
+
+// @public
+export interface ToastDisplayProps {
+  // @deprecated
+  anchorOrigin?: {
+    vertical: 'top' | 'bottom';
+    horizontal: 'left' | 'center' | 'right';
+  };
+  transientTimeoutMs?: number;
+}
+
+// @public
+export interface ToastLink {
+  href: string;
+  label: string;
+}
+
 // (No @packageDocumentation comment for this package)
 ```
diff --git a/plugins/app/src/components/Toast/index.ts b/plugins/app/src/components/Toast/index.ts
index ccb9ba6c1e..eb6d7574a8 100644
--- a/plugins/app/src/components/Toast/index.ts
+++ b/plugins/app/src/components/Toast/index.ts
@@ -14,12 +14,11 @@
  * limitations under the License.
  */
 
+// Public exports
 export { ToastDisplay } from './ToastDisplay';
+export type { ToastContent, ToastLink, ToastDisplayProps } from './types';
+
+// Internal exports (used within the plugin only)
 export { ToastContainer } from './ToastContainer';
 export { toastQueue } from './ToastQueue';
-export type {
-  ToastContent,
-  ToastLink,
-  ToastDisplayProps,
-  ToastContainerProps,
-} from './types';
+export type { ToastContainerProps } from './types';
diff --git a/plugins/app/src/components/Toast/types.ts b/plugins/app/src/components/Toast/types.ts
index 87a6a77b41..a203211c37 100644
--- a/plugins/app/src/components/Toast/types.ts
+++ b/plugins/app/src/components/Toast/types.ts
@@ -92,10 +92,11 @@ export interface ToastContainerProps {
 export interface ToastDisplayProps {
   /**
    * Number of milliseconds a transient alert will stay open for.
-   * @default 5000
+   * Defaults to 5000ms.
    */
   transientTimeoutMs?: number;
   /**
+   * Position of the toast on screen.
    * @deprecated Toast uses fixed bottom-center positioning. This prop is ignored.
    */
   anchorOrigin?: {
diff --git a/plugins/app/src/index.ts b/plugins/app/src/index.ts
index 47a369bd2a..230e82ddd3 100644
--- a/plugins/app/src/index.ts
+++ b/plugins/app/src/index.ts
@@ -17,10 +17,9 @@
 export { appPlugin as default } from './plugin';
 
 // Toast components for alert display
-export { ToastDisplay, ToastContainer, toastQueue } from './components/Toast';
+export { ToastDisplay } from './components/Toast';
 export type {
   ToastContent,
   ToastLink,
   ToastDisplayProps,
-  ToastContainerProps,
 } from './components/Toast';