diff --git a/plugins/auth-backend/api-report.md b/plugins/auth-backend/api-report.md
index 41342bf03d..a38197668e 100644
--- a/plugins/auth-backend/api-report.md
+++ b/plugins/auth-backend/api-report.md
@@ -377,7 +377,7 @@ export const createOAuth2Provider: (
 
 // @public @deprecated (undocumented)
 export const createOauth2ProxyProvider: (options: {
-  authHandler: AuthHandler<OAuth2ProxyResult<unknown>>;
+  authHandler?: AuthHandler<OAuth2ProxyResult<unknown>> | undefined;
   signIn: {
     resolver: SignInResolver<OAuth2ProxyResult<unknown>>;
   };
@@ -564,10 +564,11 @@ export type Oauth2ProxyProviderOptions<JWTPayload> = {
 };
 
 // @public
-export type OAuth2ProxyResult<JWTPayload> = {
+export type OAuth2ProxyResult<JWTPayload = {}> = {
   fullProfile: JWTPayload;
   accessToken: string;
   headers: IncomingHttpHeaders;
+  getHeader(name: string): string | undefined;
 };
 
 // Warning: (ae-missing-release-tag) "OAuthAdapter" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
@@ -914,7 +915,7 @@ export const providers: Readonly<{
   }>;
   oauth2Proxy: Readonly<{
     create: (options: {
-      authHandler: AuthHandler<OAuth2ProxyResult<unknown>>;
+      authHandler?: AuthHandler<OAuth2ProxyResult<unknown>> | undefined;
       signIn: {
         resolver: SignInResolver<OAuth2ProxyResult<unknown>>;
       };