diff --git a/.changeset/spicy-lemons-beam.md b/.changeset/spicy-lemons-beam.md
new file mode 100644
index 00000000000..0a3f70d8a3e
--- /dev/null
+++ b/.changeset/spicy-lemons-beam.md
@@ -0,0 +1,5 @@
+---
+'@shopify/ui-extensions-server-kit': minor
+---
+
+Added supportedFeatures to ExtensionPayload
diff --git a/packages/ui-extensions-server-kit/src/testing/extensions.ts b/packages/ui-extensions-server-kit/src/testing/extensions.ts
index daad527c39b..c3801a09a00 100644
--- a/packages/ui-extensions-server-kit/src/testing/extensions.ts
+++ b/packages/ui-extensions-server-kit/src/testing/extensions.ts
@@ -54,6 +54,7 @@ export function mockExtension(obj: DeepPartial<ExtensionPayload> = {}): Extensio
     // in a generalized, non-surprising way
     extensionPoints: obj.extensionPoints as any,
     capabilities: obj.capabilities as any,
+    supportedFeatures: obj.supportedFeatures as any,
     localization: obj.localization as any,
     authenticatedRedirectStartUrl: obj.authenticatedRedirectStartUrl as any,
     authenticatedRedirectRedirectUrls: obj.authenticatedRedirectRedirectUrls as any,
diff --git a/packages/ui-extensions-server-kit/src/types.ts b/packages/ui-extensions-server-kit/src/types.ts
index 9bfa14d1a67..ed27db533fc 100644
--- a/packages/ui-extensions-server-kit/src/types.ts
+++ b/packages/ui-extensions-server-kit/src/types.ts
@@ -143,6 +143,7 @@ export interface ExtensionPayload {
   handle: string
   extensionPoints: ExtensionPoints
   capabilities?: Capabilities
+  supportedFeatures: ExtensionSupportedFeatures
   authenticatedRedirectStartUrl?: string
   authenticatedRedirectRedirectUrls?: string[]
   localization?: FlattenedLocalization | Localization | null
@@ -158,6 +159,10 @@ export interface ExtensionPayload {
   }
 }
 
+export interface ExtensionSupportedFeatures {
+  offlineMode: boolean
+}
+
 export enum Status {
   Success = 'success',
 }