diff --git a/packages/backend/src/core/entities/UserEntityService.ts b/packages/backend/src/core/entities/UserEntityService.ts
index 92a684dc1a..ad8052711c 100644
--- a/packages/backend/src/core/entities/UserEntityService.ts
+++ b/packages/backend/src/core/entities/UserEntityService.ts
@@ -557,6 +557,7 @@ export class UserEntityService implements OnModuleInit {
 				followersVisibility: profile!.followersVisibility,
 				followingVisibility: profile!.followingVisibility,
 				chatScope: user.chatScope,
+				canChat: this.roleService.getUserPolicies(user.id).then(r => r.canChat),
 				roles: this.roleService.getUserRoles(user.id).then(roles => roles.filter(role => role.isPublic).sort((a, b) => b.displayOrder - a.displayOrder).map(role => ({
 					id: role.id,
 					name: role.name,
diff --git a/packages/backend/src/models/json-schema/user.ts b/packages/backend/src/models/json-schema/user.ts
index 0094f25e34..e475296702 100644
--- a/packages/backend/src/models/json-schema/user.ts
+++ b/packages/backend/src/models/json-schema/user.ts
@@ -363,6 +363,10 @@ export const packedUserDetailedNotMeOnlySchema = {
 			nullable: false, optional: false,
 			enum: ['everyone', 'following', 'followers', 'mutual', 'none'],
 		},
+		canChat: {
+			type: 'boolean',
+			nullable: false, optional: false,
+		},
 		roles: {
 			type: 'array',
 			nullable: false, optional: false,
diff --git a/packages/misskey-js/src/autogen/types.ts b/packages/misskey-js/src/autogen/types.ts
index c91fedf2fa..57c4824424 100644
--- a/packages/misskey-js/src/autogen/types.ts
+++ b/packages/misskey-js/src/autogen/types.ts
@@ -4057,6 +4057,7 @@ export type components = {
       followersVisibility: 'public' | 'followers' | 'private';
       /** @enum {string} */
       chatScope: 'everyone' | 'following' | 'followers' | 'mutual' | 'none';
+      canChat: boolean;
       roles: components['schemas']['RoleLite'][];
       followedMessage?: string | null;
       memo: string | null;