diff --git a/server/historian/packages/historian-base/src/app.ts b/server/historian/packages/historian-base/src/app.ts
index 03f343eb301d..b40026abaffd 100644
--- a/server/historian/packages/historian-base/src/app.ts
+++ b/server/historian/packages/historian-base/src/app.ts
@@ -5,6 +5,7 @@
 
 import {
 	IStorageNameRetriever,
+	ISimplifiedCustomDataRetriever,
 	IThrottler,
 	IRevokedTokenChecker,
 	IDocumentManager,
@@ -40,6 +41,7 @@ export function create(
 	denyList?: IDenyList,
 	ephemeralDocumentTTLSec?: number,
 	readinessCheck?: IReadinessCheck,
+	simplifiedCustomDataRetriever?: ISimplifiedCustomDataRetriever,
 ) {
 	// Express app configuration
 	const app: express.Express = express();
@@ -110,6 +112,7 @@ export function create(
 		revokedTokenChecker,
 		denyList,
 		ephemeralDocumentTTLSec,
+		simplifiedCustomDataRetriever,
 	);
 	app.use(apiRoutes.git.blobs);
 	app.use(apiRoutes.git.refs);
diff --git a/server/historian/packages/historian-base/src/customizations.ts b/server/historian/packages/historian-base/src/customizations.ts
index df3173c643ff..aae34f201167 100644
--- a/server/historian/packages/historian-base/src/customizations.ts
+++ b/server/historian/packages/historian-base/src/customizations.ts
@@ -5,6 +5,7 @@
 
 import {
 	IStorageNameRetriever,
+	ISimplifiedCustomDataRetriever,
 	IRevokedTokenChecker,
 	IReadinessCheck,
 } from "@fluidframework/server-services-core";
@@ -16,4 +17,5 @@ export interface IHistorianResourcesCustomizations {
 	redisClientConnectionManager?: IRedisClientConnectionManager;
 	redisClientConnectionManagerForThrottling?: IRedisClientConnectionManager;
 	readinessCheck?: IReadinessCheck;
+	simplifiedCustomDataRetriever?: ISimplifiedCustomDataRetriever;
 }
diff --git a/server/historian/packages/historian-base/src/routes/git/blobs.ts b/server/historian/packages/historian-base/src/routes/git/blobs.ts
index 5e0b7c4ca320..342ad30889b4 100644
--- a/server/historian/packages/historian-base/src/routes/git/blobs.ts
+++ b/server/historian/packages/historian-base/src/routes/git/blobs.ts
@@ -6,6 +6,7 @@
 import * as git from "@fluidframework/gitresources";
 import {
 	IStorageNameRetriever,
+	ISimplifiedCustomDataRetriever,
 	IThrottler,
 	IRevokedTokenChecker,
 	IDocumentManager,
@@ -34,6 +35,7 @@ export function create(
 	revokedTokenChecker?: IRevokedTokenChecker,
 	denyList?: IDenyList,
 	ephemeralDocumentTTLSec?: number,
+	simplifiedCustomDataRetriever?: ISimplifiedCustomDataRetriever,
 ): Router {
 	const router: Router = Router();
 
diff --git a/server/historian/packages/historian-base/src/routes/git/commits.ts b/server/historian/packages/historian-base/src/routes/git/commits.ts
index bd28a9e325f9..fee867d141f7 100644
--- a/server/historian/packages/historian-base/src/routes/git/commits.ts
+++ b/server/historian/packages/historian-base/src/routes/git/commits.ts
@@ -6,6 +6,7 @@
 import { ICommit, ICreateCommitParams } from "@fluidframework/gitresources";
 import {
 	IStorageNameRetriever,
+	ISimplifiedCustomDataRetriever,
 	IThrottler,
 	IRevokedTokenChecker,
 	IDocumentManager,
@@ -34,6 +35,7 @@ export function create(
 	revokedTokenChecker?: IRevokedTokenChecker,
 	denyList?: IDenyList,
 	ephemeralDocumentTTLSec?: number,
+	simplifiedCustomDataRetriever?: ISimplifiedCustomDataRetriever,
 ): Router {
 	const router: Router = Router();
 
diff --git a/server/historian/packages/historian-base/src/routes/git/tags.ts b/server/historian/packages/historian-base/src/routes/git/tags.ts
index 550ace1e8aac..18ded9505aed 100644
--- a/server/historian/packages/historian-base/src/routes/git/tags.ts
+++ b/server/historian/packages/historian-base/src/routes/git/tags.ts
@@ -6,6 +6,7 @@
 import * as git from "@fluidframework/gitresources";
 import {
 	IStorageNameRetriever,
+	ISimplifiedCustomDataRetriever,
 	IThrottler,
 	IRevokedTokenChecker,
 	IDocumentManager,
@@ -34,6 +35,7 @@ export function create(
 	revokedTokenChecker?: IRevokedTokenChecker,
 	denyList?: IDenyList,
 	ephemeralDocumentTTLSec?: number,
+	simplifiedCustomDataRetriever?: ISimplifiedCustomDataRetriever,
 ): Router {
 	const router: Router = Router();
 
diff --git a/server/historian/packages/historian-base/src/routes/git/trees.ts b/server/historian/packages/historian-base/src/routes/git/trees.ts
index 93064b7c72ac..4a1652141657 100644
--- a/server/historian/packages/historian-base/src/routes/git/trees.ts
+++ b/server/historian/packages/historian-base/src/routes/git/trees.ts
@@ -6,6 +6,7 @@
 import * as git from "@fluidframework/gitresources";
 import {
 	IStorageNameRetriever,
+	ISimplifiedCustomDataRetriever,
 	IThrottler,
 	IRevokedTokenChecker,
 	IDocumentManager,
@@ -34,6 +35,7 @@ export function create(
 	revokedTokenChecker?: IRevokedTokenChecker,
 	denyList?: IDenyList,
 	ephemeralDocumentTTLSec?: number,
+	simplifiedCustomDataRetriever?: ISimplifiedCustomDataRetriever,
 ): Router {
 	const router: Router = Router();
 
diff --git a/server/historian/packages/historian-base/src/routes/index.ts b/server/historian/packages/historian-base/src/routes/index.ts
index 9dd28658b1f1..7788c2c5f274 100644
--- a/server/historian/packages/historian-base/src/routes/index.ts
+++ b/server/historian/packages/historian-base/src/routes/index.ts
@@ -5,6 +5,7 @@
 
 import {
 	IStorageNameRetriever,
+	ISimplifiedCustomDataRetriever,
 	IThrottler,
 	IRevokedTokenChecker,
 	IDocumentManager,
@@ -52,6 +53,7 @@ export function create(
 	revokedTokenChecker?: IRevokedTokenChecker,
 	denyList?: IDenyList,
 	ephemeralDocumentTTLSec?: number,
+	simplifiedCustomDataRetriever?: ISimplifiedCustomDataRetriever,
 ): IRoutes {
 	const commonRouteParams: CommonRouteParams = [
 		config,
diff --git a/server/historian/packages/historian-base/src/routes/repository/commits.ts b/server/historian/packages/historian-base/src/routes/repository/commits.ts
index 110d4bad39a0..81da2bbe332d 100644
--- a/server/historian/packages/historian-base/src/routes/repository/commits.ts
+++ b/server/historian/packages/historian-base/src/routes/repository/commits.ts
@@ -6,6 +6,7 @@
 import * as git from "@fluidframework/gitresources";
 import {
 	IStorageNameRetriever,
+	ISimplifiedCustomDataRetriever,
 	IThrottler,
 	IRevokedTokenChecker,
 	IDocumentManager,
@@ -34,6 +35,7 @@ export function create(
 	revokedTokenChecker?: IRevokedTokenChecker,
 	denyList?: IDenyList,
 	ephemeralDocumentTTLSec?: number,
+	simplifiedCustomDataRetriever?: ISimplifiedCustomDataRetriever,
 ): Router {
 	const router: Router = Router();
 
diff --git a/server/historian/packages/historian-base/src/routes/repository/contents.ts b/server/historian/packages/historian-base/src/routes/repository/contents.ts
index 950e94a4f9ef..f5c77b059c9d 100644
--- a/server/historian/packages/historian-base/src/routes/repository/contents.ts
+++ b/server/historian/packages/historian-base/src/routes/repository/contents.ts
@@ -5,6 +5,7 @@
 
 import {
 	IStorageNameRetriever,
+	ISimplifiedCustomDataRetriever,
 	IThrottler,
 	IRevokedTokenChecker,
 	IDocumentManager,
@@ -33,6 +34,7 @@ export function create(
 	revokedTokenChecker?: IRevokedTokenChecker,
 	denyList?: IDenyList,
 	ephemeralDocumentTTLSec?: number,
+	simplifiedCustomDataRetriever?: ISimplifiedCustomDataRetriever,
 ): Router {
 	const router: Router = Router();
 
diff --git a/server/historian/packages/historian-base/src/routes/repository/headers.ts b/server/historian/packages/historian-base/src/routes/repository/headers.ts
index e0df2b77009c..8e72440d3bc7 100644
--- a/server/historian/packages/historian-base/src/routes/repository/headers.ts
+++ b/server/historian/packages/historian-base/src/routes/repository/headers.ts
@@ -6,6 +6,7 @@
 import { IHeader } from "@fluidframework/gitresources";
 import {
 	IStorageNameRetriever,
+	ISimplifiedCustomDataRetriever,
 	IThrottler,
 	IRevokedTokenChecker,
 	IDocumentManager,
@@ -34,6 +35,7 @@ export function create(
 	revokedTokenChecker?: IRevokedTokenChecker,
 	denyList?: IDenyList,
 	ephemeralDocumentTTLSec?: number,
+	simplifiedCustomDataRetriever?: ISimplifiedCustomDataRetriever,
 ): Router {
 	const router: Router = Router();
 
diff --git a/server/historian/packages/historian-base/src/routes/summaries.ts b/server/historian/packages/historian-base/src/routes/summaries.ts
index dc74e92cc9b8..fdd4ecf800cb 100644
--- a/server/historian/packages/historian-base/src/routes/summaries.ts
+++ b/server/historian/packages/historian-base/src/routes/summaries.ts
@@ -10,6 +10,7 @@ import {
 } from "@fluidframework/server-services-client";
 import {
 	IStorageNameRetriever,
+	ISimplifiedCustomDataRetriever,
 	IThrottler,
 	IRevokedTokenChecker,
 	IDocumentManager,
@@ -39,6 +40,7 @@ export function create(
 	revokedTokenChecker?: IRevokedTokenChecker,
 	denyList?: IDenyList,
 	ephemeralDocumentTTLSec?: number,
+	simplifiedCustomDataRetriever?: ISimplifiedCustomDataRetriever,
 ): Router {
 	const router: Router = Router();
 	const ignoreIsEphemeralFlag: boolean = config.get("ignoreEphemeralFlag") ?? true;
@@ -129,6 +131,7 @@ export function create(
 			isEphemeralContainer,
 			denyList,
 			ephemeralDocumentTTLSec,
+			simplifiedCustomDataRetriever,
 		});
 		return service.createSummary(params, initial);
 	}
diff --git a/server/historian/packages/historian-base/src/routes/utils.ts b/server/historian/packages/historian-base/src/routes/utils.ts
index fd0048ed7a0e..8bb2ac472605 100644
--- a/server/historian/packages/historian-base/src/routes/utils.ts
+++ b/server/historian/packages/historian-base/src/routes/utils.ts
@@ -18,6 +18,7 @@ import {
 import {
 	runWithRetry,
 	IStorageNameRetriever,
+	ISimplifiedCustomDataRetriever,
 	IRevokedTokenChecker,
 	IDocumentManager,
 	IDocumentStaticProperties,
@@ -45,6 +46,7 @@ export type CommonRouteParams = [
 	revokedTokenChecker?: IRevokedTokenChecker,
 	denyList?: IDenyList,
 	ephemeralDocumentTTLSec?: number,
+	simplifiedCustomDataRetriever?: ISimplifiedCustomDataRetriever,
 ];
 
 export class createGitServiceArgs {
@@ -61,6 +63,7 @@ export class createGitServiceArgs {
 	isEphemeralContainer?: boolean = false;
 	ephemeralDocumentTTLSec?: number = 60 * 60 * 24; // 24 hours
 	denyList?: IDenyList;
+	simplifiedCustomDataRetriever?: ISimplifiedCustomDataRetriever;
 }
 
 function getEphemeralContainerCacheKey(documentId: string): string {
@@ -250,6 +253,7 @@ export async function createGitService(createArgs: createGitServiceArgs): Promis
 		isEphemeralContainer,
 		ephemeralDocumentTTLSec,
 		denyList,
+		simplifiedCustomDataRetriever,
 	} = createArgs;
 	const token = parseToken(tenantId, authorization);
 	const decoded = decode(token) as ITokenClaims;
@@ -263,6 +267,7 @@ export async function createGitService(createArgs: createGitServiceArgs): Promis
 	}
 	const details = await tenantService.getTenant(tenantId, token, allowDisabledTenant);
 	const customData: ITenantCustomDataExternal = details.customData;
+	const simplifiedCustomData = simplifiedCustomDataRetriever?.get(customData);
 	const writeToExternalStorage = !!customData?.externalStorageData;
 	const storageUrl = config.get("storageUrl") as string | undefined;
 	const ignoreEphemeralFlag: boolean = config.get("ignoreEphemeralFlag");
@@ -297,6 +302,7 @@ export async function createGitService(createArgs: createGitServiceArgs): Promis
 		storageUrl,
 		isEphemeral,
 		maxCacheableSummarySize,
+		simplifiedCustomData,
 	);
 	return service;
 }
diff --git a/server/historian/packages/historian-base/src/runner.ts b/server/historian/packages/historian-base/src/runner.ts
index 93e409d42e58..5adf9e32fabf 100644
--- a/server/historian/packages/historian-base/src/runner.ts
+++ b/server/historian/packages/historian-base/src/runner.ts
@@ -11,6 +11,7 @@ import {
 	IRunner,
 	IRevokedTokenChecker,
 	IStorageNameRetriever,
+	ISimplifiedCustomDataRetriever,
 	IDocumentManager,
 	IReadinessCheck,
 } from "@fluidframework/server-services-core";
@@ -39,6 +40,7 @@ export class HistorianRunner implements IRunner {
 		private readonly denyList?: IDenyList,
 		private readonly ephemeralDocumentTTLSec?: number,
 		private readonly readinessCheck?: IReadinessCheck,
+		private readonly simplifiedCustomDataRetriever?: ISimplifiedCustomDataRetriever,
 	) {}
 
 	// eslint-disable-next-line @typescript-eslint/promise-function-async
@@ -58,6 +60,7 @@ export class HistorianRunner implements IRunner {
 			this.denyList,
 			this.ephemeralDocumentTTLSec,
 			this.readinessCheck,
+			this.simplifiedCustomDataRetriever,
 		);
 		historian.set("port", this.port);
 
diff --git a/server/historian/packages/historian-base/src/runnerFactory.ts b/server/historian/packages/historian-base/src/runnerFactory.ts
index d93f64c986de..36311bc3301a 100644
--- a/server/historian/packages/historian-base/src/runnerFactory.ts
+++ b/server/historian/packages/historian-base/src/runnerFactory.ts
@@ -32,6 +32,7 @@ export class HistorianResources implements core.IResources {
 		public readonly denyList?: historianServices.IDenyList,
 		public readonly ephemeralDocumentTTLSec?: number,
 		public readonly readinessCheck?: core.IReadinessCheck,
+		public readonly simplifiedCustomDataRetriever?: core.ISimplifiedCustomDataRetriever,
 	) {
 		const httpServerConfig: services.IHttpServerConfig = config.get("system:httpServer");
 		this.webServerFactory = new services.BasicWebServerFactory(httpServerConfig);
@@ -226,6 +227,7 @@ export class HistorianResourcesFactory implements core.IResourcesFactory<Histori
 			denyList,
 			ephemeralDocumentTTLSec,
 			customizations?.readinessCheck,
+			customizations?.simplifiedCustomDataRetriever,
 		);
 	}
 }
@@ -247,6 +249,7 @@ export class HistorianRunnerFactory implements core.IRunnerFactory<HistorianReso
 			resources.denyList,
 			resources.ephemeralDocumentTTLSec,
 			resources.readinessCheck,
+			resources.simplifiedCustomDataRetriever,
 		);
 	}
 }
diff --git a/server/historian/packages/historian-base/src/services/restGitService.ts b/server/historian/packages/historian-base/src/services/restGitService.ts
index eed19edbe5d9..7d1f34da1a18 100644
--- a/server/historian/packages/historian-base/src/services/restGitService.ts
+++ b/server/historian/packages/historian-base/src/services/restGitService.ts
@@ -65,6 +65,7 @@ export class RestGitService {
 		private readonly storageUrl?: string,
 		private readonly isEphemeralContainer?: boolean,
 		private readonly maxCacheableSummarySize?: number,
+		private readonly simplifiedCustomData?: string,
 	) {
 		const defaultHeaders: RawAxiosRequestHeaders =
 			storageName !== undefined
@@ -83,6 +84,9 @@ export class RestGitService {
 			);
 			defaultHeaders.Authorization = `Basic ${token.toString("base64")}`;
 		}
+		if (this.simplifiedCustomData) {
+			defaultHeaders[Constants.simplifiedCustomData] = this.simplifiedCustomData;
+		}
 
 		// We set the flag only for ephemeral containers
 		if (this.isEphemeralContainer) {
diff --git a/server/historian/packages/historian-base/src/utils.ts b/server/historian/packages/historian-base/src/utils.ts
index 6cd6725565f1..defb00019e1c 100644
--- a/server/historian/packages/historian-base/src/utils.ts
+++ b/server/historian/packages/historian-base/src/utils.ts
@@ -39,6 +39,7 @@ export const Constants = Object.freeze({
 	generalRestCallThrottleIdPrefix: "generalRestCall",
 	IsEphemeralContainer: "Is-Ephemeral-Container",
 	isInitialSummary: "isInitialSummary",
+	simplifiedCustomData: "simplifiedCustomData",
 });
 
 export function getTokenLifetimeInSec(token: string): number {
diff --git a/server/routerlicious/packages/services-core/src/index.ts b/server/routerlicious/packages/services-core/src/index.ts
index a8228e85b4cc..91cb63f66ee6 100644
--- a/server/routerlicious/packages/services-core/src/index.ts
+++ b/server/routerlicious/packages/services-core/src/index.ts
@@ -126,6 +126,7 @@ export {
 	ICollaborationSessionManager,
 	ICollaborationSessionTracker,
 } from "./collabSession";
+export { ISimplifiedCustomDataRetriever } from "./simplifiedCustomDataRetriever";
 export { IStorageNameAllocator } from "./storageNameAllocator";
 export { IStorageNameRetriever } from "./storageNameRetriever";
 export {
diff --git a/server/routerlicious/packages/services-core/src/simplifiedCustomDataRetriever.ts b/server/routerlicious/packages/services-core/src/simplifiedCustomDataRetriever.ts
new file mode 100644
index 000000000000..b720fcbab62d
--- /dev/null
+++ b/server/routerlicious/packages/services-core/src/simplifiedCustomDataRetriever.ts
@@ -0,0 +1,13 @@
+/*!
+ * Copyright (c) Microsoft Corporation and contributors. All rights reserved.
+ * Licensed under the MIT License.
+ */
+
+import type { ITenantCustomData } from "./tenant";
+
+/**
+ * @internal
+ */
+export interface ISimplifiedCustomDataRetriever {
+	get(customData: ITenantCustomData): string;
+}
diff --git a/server/routerlicious/packages/services/src/index.ts b/server/routerlicious/packages/services/src/index.ts
index ab5416bf9c44..d3ecf18d3795 100644
--- a/server/routerlicious/packages/services/src/index.ts
+++ b/server/routerlicious/packages/services/src/index.ts
@@ -22,6 +22,7 @@ export { RedisThrottleAndUsageStorageManager } from "./redisThrottleAndUsageStor
 export { SecretManager } from "./secretManager";
 export { CollaborationSessionTracker } from "./sessionTracker";
 export { SocketIoRedisPublisher, SocketIoRedisTopic } from "./socketIoRedisPublisher";
+export { SimplifiedCustomDataRetriever } from "./simplifiedCustomDataRetriever";
 export { StorageNameRetriever } from "./storageNameRetriever";
 export { Tenant, TenantManager } from "./tenant";
 export { Throttler } from "./throttler";
diff --git a/server/routerlicious/packages/services/src/simplifiedCustomDataRetriever.ts b/server/routerlicious/packages/services/src/simplifiedCustomDataRetriever.ts
new file mode 100644
index 000000000000..687e74396fe3
--- /dev/null
+++ b/server/routerlicious/packages/services/src/simplifiedCustomDataRetriever.ts
@@ -0,0 +1,21 @@
+/*!
+ * Copyright (c) Microsoft Corporation and contributors. All rights reserved.
+ * Licensed under the MIT License.
+ */
+
+import {
+	ISimplifiedCustomDataRetriever,
+	ITenantCustomData,
+} from "@fluidframework/server-services-core";
+
+/**
+ * Retrieve simplified customData.
+ * @internal
+ */
+export class SimplifiedCustomDataRetriever implements ISimplifiedCustomDataRetriever {
+	public constructor() {}
+
+	public get(customData: ITenantCustomData): string {
+		return undefined;
+	}
+}