diff --git a/packages/backend-core/src/security/permissions.ts b/packages/backend-core/src/security/permissions.ts
index 929ae92909..263f042a9d 100644
--- a/packages/backend-core/src/security/permissions.ts
+++ b/packages/backend-core/src/security/permissions.ts
@@ -2,6 +2,8 @@ import {
   PermissionLevel,
   PermissionType,
   BuiltinPermissionID,
+  Permission,
+  BuiltinPermissions,
 } from "@budibase/types"
 import flatten from "lodash/flatten"
 import cloneDeep from "lodash/fp/cloneDeep"
@@ -12,7 +14,7 @@ export type RoleHierarchy = {
   permissionId: string
 }[]
 
-export class Permission {
+export class PermissionImpl implements Permission {
   type: PermissionType
   level: PermissionLevel
 
@@ -61,68 +63,62 @@ export function getAllowedLevels(userPermLevel: PermissionLevel): string[] {
   }
 }
 
-export const BUILTIN_PERMISSIONS: {
-  [key in keyof typeof BuiltinPermissionID]: {
-    _id: (typeof BuiltinPermissionID)[key]
-    name: string
-    permissions: Permission[]
-  }
-} = {
+export const BUILTIN_PERMISSIONS: BuiltinPermissions = {
   PUBLIC: {
     _id: BuiltinPermissionID.PUBLIC,
     name: "Public",
     permissions: [
-      new Permission(PermissionType.WEBHOOK, PermissionLevel.EXECUTE),
+      new PermissionImpl(PermissionType.WEBHOOK, PermissionLevel.EXECUTE),
     ],
   },
   READ_ONLY: {
     _id: BuiltinPermissionID.READ_ONLY,
     name: "Read only",
     permissions: [
-      new Permission(PermissionType.QUERY, PermissionLevel.READ),
-      new Permission(PermissionType.TABLE, PermissionLevel.READ),
-      new Permission(PermissionType.APP, PermissionLevel.READ),
+      new PermissionImpl(PermissionType.QUERY, PermissionLevel.READ),
+      new PermissionImpl(PermissionType.TABLE, PermissionLevel.READ),
+      new PermissionImpl(PermissionType.APP, PermissionLevel.READ),
     ],
   },
   WRITE: {
     _id: BuiltinPermissionID.WRITE,
     name: "Read/Write",
     permissions: [
-      new Permission(PermissionType.QUERY, PermissionLevel.WRITE),
-      new Permission(PermissionType.TABLE, PermissionLevel.WRITE),
-      new Permission(PermissionType.AUTOMATION, PermissionLevel.EXECUTE),
-      new Permission(PermissionType.LEGACY_VIEW, PermissionLevel.READ),
-      new Permission(PermissionType.APP, PermissionLevel.READ),
+      new PermissionImpl(PermissionType.QUERY, PermissionLevel.WRITE),
+      new PermissionImpl(PermissionType.TABLE, PermissionLevel.WRITE),
+      new PermissionImpl(PermissionType.AUTOMATION, PermissionLevel.EXECUTE),
+      new PermissionImpl(PermissionType.LEGACY_VIEW, PermissionLevel.READ),
+      new PermissionImpl(PermissionType.APP, PermissionLevel.READ),
     ],
   },
   POWER: {
     _id: BuiltinPermissionID.POWER,
     name: "Power",
     permissions: [
-      new Permission(PermissionType.TABLE, PermissionLevel.WRITE),
-      new Permission(PermissionType.USER, PermissionLevel.READ),
-      new Permission(PermissionType.AUTOMATION, PermissionLevel.EXECUTE),
-      new Permission(PermissionType.WEBHOOK, PermissionLevel.READ),
-      new Permission(PermissionType.LEGACY_VIEW, PermissionLevel.READ),
-      new Permission(PermissionType.APP, PermissionLevel.READ),
+      new PermissionImpl(PermissionType.TABLE, PermissionLevel.WRITE),
+      new PermissionImpl(PermissionType.USER, PermissionLevel.READ),
+      new PermissionImpl(PermissionType.AUTOMATION, PermissionLevel.EXECUTE),
+      new PermissionImpl(PermissionType.WEBHOOK, PermissionLevel.READ),
+      new PermissionImpl(PermissionType.LEGACY_VIEW, PermissionLevel.READ),
+      new PermissionImpl(PermissionType.APP, PermissionLevel.READ),
     ],
   },
   ADMIN: {
     _id: BuiltinPermissionID.ADMIN,
     name: "Admin",
     permissions: [
-      new Permission(PermissionType.TABLE, PermissionLevel.ADMIN),
-      new Permission(PermissionType.USER, PermissionLevel.ADMIN),
-      new Permission(PermissionType.AUTOMATION, PermissionLevel.ADMIN),
-      new Permission(PermissionType.WEBHOOK, PermissionLevel.READ),
-      new Permission(PermissionType.QUERY, PermissionLevel.ADMIN),
-      new Permission(PermissionType.LEGACY_VIEW, PermissionLevel.READ),
-      new Permission(PermissionType.APP, PermissionLevel.READ),
+      new PermissionImpl(PermissionType.TABLE, PermissionLevel.ADMIN),
+      new PermissionImpl(PermissionType.USER, PermissionLevel.ADMIN),
+      new PermissionImpl(PermissionType.AUTOMATION, PermissionLevel.ADMIN),
+      new PermissionImpl(PermissionType.WEBHOOK, PermissionLevel.READ),
+      new PermissionImpl(PermissionType.QUERY, PermissionLevel.ADMIN),
+      new PermissionImpl(PermissionType.LEGACY_VIEW, PermissionLevel.READ),
+      new PermissionImpl(PermissionType.APP, PermissionLevel.READ),
     ],
   },
 }
 
-export function getBuiltinPermissions() {
+export function getBuiltinPermissions(): BuiltinPermissions {
   return cloneDeep(BUILTIN_PERMISSIONS)
 }
 
diff --git a/packages/backend-core/src/security/tests/permissions.spec.ts b/packages/backend-core/src/security/tests/permissions.spec.ts
index f98833c7cd..d268a56a1f 100644
--- a/packages/backend-core/src/security/tests/permissions.spec.ts
+++ b/packages/backend-core/src/security/tests/permissions.spec.ts
@@ -133,7 +133,7 @@ describe("getBuiltinPermissionByID", () => {
       _id: BuiltinPermissionID.PUBLIC,
       name: "Public",
       permissions: [
-        new permissions.Permission(
+        new permissions.PermissionImpl(
           permissions.PermissionType.WEBHOOK,
           permissions.PermissionLevel.EXECUTE
         ),
diff --git a/packages/server/src/api/controllers/permission.ts b/packages/server/src/api/controllers/permission.ts
index ead48d3db8..2ef197dbca 100644
--- a/packages/server/src/api/controllers/permission.ts
+++ b/packages/server/src/api/controllers/permission.ts
@@ -9,6 +9,8 @@ import {
   RemovePermissionRequest,
   RemovePermissionResponse,
   FetchResourcePermissionInfoResponse,
+  FetchBuiltinPermissionsRequest,
+  FetchPermissionLevelsRequest,
 } from "@budibase/types"
 import {
   CURRENTLY_SUPPORTED_LEVELS,
@@ -19,11 +21,13 @@ import { PermissionUpdateType } from "../../sdk/app/permissions"
 
 const SUPPORTED_LEVELS = CURRENTLY_SUPPORTED_LEVELS
 
-export function fetchBuiltin(ctx: UserCtx) {
+export function fetchBuiltin(
+  ctx: UserCtx<void, FetchBuiltinPermissionsRequest>
+) {
   ctx.body = Object.values(permissions.getBuiltinPermissions())
 }
 
-export function fetchLevels(ctx: UserCtx) {
+export function fetchLevels(ctx: UserCtx<void, FetchPermissionLevelsRequest>) {
   // for now only provide the read/write perms externally
   ctx.body = SUPPORTED_LEVELS
 }
diff --git a/packages/types/src/api/web/app/permission.ts b/packages/types/src/api/web/app/permission.ts
index b40310f21c..1a19fb0834 100644
--- a/packages/types/src/api/web/app/permission.ts
+++ b/packages/types/src/api/web/app/permission.ts
@@ -1,4 +1,8 @@
-import { PermissionLevel } from "../../../sdk"
+import { BuiltinPermission, PermissionLevel } from "../../../sdk"
+
+export type FetchBuiltinPermissionsRequest = BuiltinPermission[]
+
+export type FetchPermissionLevelsRequest = string[]
 
 export interface FetchResourcePermissionInfoResponse {
   [key: string]: Record<string, string>
diff --git a/packages/types/src/sdk/permissions.ts b/packages/types/src/sdk/permissions.ts
index bb36af4170..43336a3317 100644
--- a/packages/types/src/sdk/permissions.ts
+++ b/packages/types/src/sdk/permissions.ts
@@ -36,3 +36,22 @@ export enum PermissionSource {
   INHERITED = "INHERITED",
   BASE = "BASE",
 }
+
+export interface Permission {
+  type: PermissionType
+  level: PermissionLevel
+}
+
+export interface BuiltinPermission {
+  _id: BuiltinPermissionID
+  name: string
+  permissions: Permission[]
+}
+
+export type BuiltinPermissions = {
+  [key in keyof typeof BuiltinPermissionID]: {
+    _id: (typeof BuiltinPermissionID)[key]
+    name: string
+    permissions: Permission[]
+  }
+}