diff --git a/packages/core-api/src/apis/definitions/auth.ts b/packages/core-api/src/apis/definitions/auth.ts
index 076a7479d6..109f15b26e 100644
--- a/packages/core-api/src/apis/definitions/auth.ts
+++ b/packages/core-api/src/apis/definitions/auth.ts
@@ -92,20 +92,6 @@ export type OAuthApi = {
   ): Promise<string>;
 };
 
-/**
- * This API provides access to SAML 2 credentials. Verify user access with identity provider.
- */
-export type SamlApi = {
-  getBackstageIdentity(
-    options?: AuthRequestOptions,
-  ): Promise<BackstageIdentity | undefined>;
-
-  getProfile(options?: AuthRequestOptions): Promise<ProfileInfo | undefined>;
-
-  // Not sure if this is needed.
-  logout(): Promise<void>;
-};
-
 /**
  * This API provides access to OpenID Connect credentials. It lets you request ID tokens,
  * which can be passed to backend services to prove the user's identity.
@@ -328,7 +314,9 @@ export const oauth2ApiRef = createApiRef<
 /**
  * Provides authentication for saml based identity providers
  */
-export const samlAuthApiRef = createApiRef<SamlApi>({
+export const samlAuthApiRef = createApiRef<
+  ProfileInfoApi & BackstageIdentityApi & SessionApi
+>({
   id: 'core.auth.saml',
   description: 'Example of how to use SAML custom provider',
 });
diff --git a/packages/core-api/src/apis/implementations/auth/saml/SamlAuth.ts b/packages/core-api/src/apis/implementations/auth/saml/SamlAuth.ts
index 2c8c98ecf6..433d3befe8 100644
--- a/packages/core-api/src/apis/implementations/auth/saml/SamlAuth.ts
+++ b/packages/core-api/src/apis/implementations/auth/saml/SamlAuth.ts
@@ -23,7 +23,9 @@ import {
   BackstageIdentity,
   SessionState,
   AuthRequestOptions,
-  SamlApi,
+  ProfileInfoApi,
+  BackstageIdentityApi,
+  SessionApi,
 } from '../../../definitions/auth';
 import { AuthProvider, DiscoveryApi } from '../../../definitions';
 import { SamlSession } from './types';
@@ -50,7 +52,7 @@ const DEFAULT_PROVIDER = {
   icon: SamlIcon,
 };
 
-class SamlAuth implements SamlApi {
+class SamlAuth implements ProfileInfoApi, BackstageIdentityApi, SessionApi {
   static create({
     discoveryApi,
     environment = 'development',
@@ -80,6 +82,13 @@ class SamlAuth implements SamlApi {
 
   constructor(private readonly sessionManager: SessionManager<SamlSession>) {}
 
+  async signIn() {
+    await this.getBackstageIdentity({});
+  }
+  async signOut() {
+    await this.sessionManager.removeSession();
+  }
+
   async getBackstageIdentity(
     options: AuthRequestOptions,
   ): Promise<BackstageIdentity | undefined> {
@@ -96,10 +105,6 @@ class SamlAuth implements SamlApi {
     const session = await this.sessionManager.getSession(options);
     return session?.profile;
   }
-
-  async logout() {
-    await this.sessionManager.removeSession();
-  }
 }
 
 export default SamlAuth;