diff --git a/packages/twenty-front/src/App.tsx b/packages/twenty-front/src/App.tsx
index f3668ff0b..4f1267000 100644
--- a/packages/twenty-front/src/App.tsx
+++ b/packages/twenty-front/src/App.tsx
@@ -3,7 +3,6 @@ import {
   createBrowserRouter,
   createRoutesFromElements,
   Outlet,
-  redirect,
   Route,
   RouterProvider,
   Routes,
@@ -192,14 +191,12 @@ const createRouter = (
                   path={SettingsPath.AccountsEmails}
                   element={<SettingsAccountsEmails />}
                 />
-                <Route
-                  path={SettingsPath.Billing}
-                  element={<SettingsBilling />}
-                  loader={() => {
-                    if (!isBillingEnabled) return redirect(AppPath.Index);
-                    return null;
-                  }}
-                />
+                {isBillingEnabled && (
+                  <Route
+                    path={SettingsPath.Billing}
+                    element={<SettingsBilling />}
+                  />
+                )}
                 <Route
                   path={SettingsPath.WorkspaceMembersPage}
                   element={<SettingsWorkspaceMembers />}
@@ -324,15 +321,19 @@ const createRouter = (
 
 export const App = () => {
   const billing = useRecoilValue(billingState);
+  const isFreeAccessEnabled = useIsFeatureEnabled('IS_FREE_ACCESS_ENABLED');
   const isCRMMigrationEnabled = useIsFeatureEnabled('IS_CRM_MIGRATION_ENABLED');
   const isServerlessFunctionSettingsEnabled = useIsFeatureEnabled(
     'IS_FUNCTION_SETTINGS_ENABLED',
   );
 
+  const isBillingPageEnabled =
+    billing?.isBillingEnabled && !isFreeAccessEnabled;
+
   return (
     <RouterProvider
       router={createRouter(
-        billing?.isBillingEnabled,
+        isBillingPageEnabled,
         isCRMMigrationEnabled,
         isServerlessFunctionSettingsEnabled,
       )}
diff --git a/packages/twenty-front/src/generated/graphql.tsx b/packages/twenty-front/src/generated/graphql.tsx
index 45bff9ca1..d9823a796 100644
--- a/packages/twenty-front/src/generated/graphql.tsx
+++ b/packages/twenty-front/src/generated/graphql.tsx
@@ -215,6 +215,15 @@ export type ExchangeAuthCode = {
   refreshToken: AuthToken;
 };
 
+export type ExecuteServerlessFunctionInput = {
+  /** Id of the serverless function to execute */
+  id: Scalars['UUID'];
+  /** Payload in JSON format */
+  payload?: InputMaybe<Scalars['JSON']>;
+  /** Version of the serverless function to execute */
+  version?: Scalars['String'];
+};
+
 export type FeatureFlag = {
   __typename?: 'FeatureFlag';
   id: Scalars['UUID'];
@@ -287,6 +296,13 @@ export type FullName = {
   lastName: Scalars['String'];
 };
 
+export type GetServerlessFunctionSourceCodeInput = {
+  /** The id of the function. */
+  id: Scalars['ID'];
+  /** The version of the function */
+  version?: Scalars['String'];
+};
+
 export type InvalidatePassword = {
   __typename?: 'InvalidatePassword';
   /** Boolean that confirms query was dispatched */
@@ -343,8 +359,9 @@ export type Mutation = {
   generateJWT: AuthTokens;
   generateTransientToken: TransientToken;
   impersonate: Verify;
+  publishServerlessFunction: ServerlessFunction;
   renewToken: AuthTokens;
-  runWorkflowVersion: WorkflowTriggerResult;
+  runWorkflowVersion: WorkflowRun;
   sendInviteLink: SendInviteLink;
   signUp: LoginToken;
   skipSyncEmailOnboardingStep: OnboardingStepSuccess;
@@ -431,8 +448,7 @@ export type MutationExchangeAuthorizationCodeArgs = {
 
 
 export type MutationExecuteOneServerlessFunctionArgs = {
-  id: Scalars['UUID'];
-  payload?: InputMaybe<Scalars['JSON']>;
+  input: ExecuteServerlessFunctionInput;
 };
 
 
@@ -452,6 +468,11 @@ export type MutationImpersonateArgs = {
 };
 
 
+export type MutationPublishServerlessFunctionArgs = {
+  input: PublishServerlessFunctionInput;
+};
+
+
 export type MutationRenewTokenArgs = {
   appToken: Scalars['String'];
 };
@@ -594,6 +615,11 @@ export type ProductPricesEntity = {
   totalNumberOfPrices: Scalars['Int'];
 };
 
+export type PublishServerlessFunctionInput = {
+  /** The id of the function. */
+  id: Scalars['ID'];
+};
+
 export type Query = {
   __typename?: 'Query';
   billingPortalSession: SessionEntity;
@@ -606,6 +632,7 @@ export type Query = {
   getAISQLQuery: AisqlQueryResult;
   getPostgresCredentials?: Maybe<PostgresCredentials>;
   getProductPrices: ProductPricesEntity;
+  getServerlessFunctionSourceCode: Scalars['String'];
   getTimelineCalendarEventsFromCompanyId: TimelineCalendarEventsWithTotal;
   getTimelineCalendarEventsFromPersonId: TimelineCalendarEventsWithTotal;
   getTimelineThreadsFromCompanyId: TimelineThreadsWithTotal;
@@ -649,6 +676,11 @@ export type QueryGetProductPricesArgs = {
 };
 
 
+export type QueryGetServerlessFunctionSourceCodeArgs = {
+  input: GetServerlessFunctionSourceCodeInput;
+};
+
+
 export type QueryGetTimelineCalendarEventsFromCompanyIdArgs = {
   companyId: Scalars['UUID'];
   page: Scalars['Int'];
@@ -768,9 +800,9 @@ export type ServerlessFunction = {
   createdAt: Scalars['DateTime'];
   description?: Maybe<Scalars['String']>;
   id: Scalars['UUID'];
+  latestVersion?: Maybe<Scalars['String']>;
   name: Scalars['String'];
   runtime: Scalars['String'];
-  sourceCodeFullPath: Scalars['String'];
   sourceCodeHash: Scalars['String'];
   syncStatus: ServerlessFunctionSyncStatus;
   updatedAt: Scalars['DateTime'];
@@ -1054,10 +1086,9 @@ export type Verify = {
   user: User;
 };
 
-export type WorkflowTriggerResult = {
-  __typename?: 'WorkflowTriggerResult';
-  /** Execution result in JSON format */
-  result?: Maybe<Scalars['JSON']>;
+export type WorkflowRun = {
+  __typename?: 'WorkflowRun';
+  workflowRunId: Scalars['UUID'];
 };
 
 export type Workspace = {
diff --git a/packages/twenty-front/src/modules/settings/components/SettingsNavigationDrawerItems.tsx b/packages/twenty-front/src/modules/settings/components/SettingsNavigationDrawerItems.tsx
index f68981a19..89bb9c0de 100644
--- a/packages/twenty-front/src/modules/settings/components/SettingsNavigationDrawerItems.tsx
+++ b/packages/twenty-front/src/modules/settings/components/SettingsNavigationDrawerItems.tsx
@@ -33,7 +33,10 @@ export const SettingsNavigationDrawerItems = () => {
   const isFunctionSettingsEnabled = useIsFeatureEnabled(
     'IS_FUNCTION_SETTINGS_ENABLED',
   );
+  const isFreeAccessEnabled = useIsFeatureEnabled('IS_FREE_ACCESS_ENABLED');
   const isCRMMigrationEnabled = useIsFeatureEnabled('IS_CRM_MIGRATION_ENABLED');
+  const isBillingPageEnabled =
+    billing?.isBillingEnabled && !isFreeAccessEnabled;
 
   return (
     <>
@@ -84,7 +87,7 @@ export const SettingsNavigationDrawerItems = () => {
           path={SettingsPath.WorkspaceMembersPage}
           Icon={IconUsers}
         />
-        {billing?.isBillingEnabled && (
+        {isBillingPageEnabled && (
           <SettingsNavigationDrawerItem
             label="Billing"
             path={SettingsPath.Billing}
diff --git a/packages/twenty-front/src/modules/settings/serverless-functions/hooks/__tests__/useServerlessFunctionUpdateFormState.test.ts b/packages/twenty-front/src/modules/settings/serverless-functions/hooks/__tests__/useServerlessFunctionUpdateFormState.test.ts
index 1e60fa426..b8e6bd3b1 100644
--- a/packages/twenty-front/src/modules/settings/serverless-functions/hooks/__tests__/useServerlessFunctionUpdateFormState.test.ts
+++ b/packages/twenty-front/src/modules/settings/serverless-functions/hooks/__tests__/useServerlessFunctionUpdateFormState.test.ts
@@ -24,7 +24,7 @@ describe('useServerlessFunctionUpdateFormState', () => {
     );
     useGetOneServerlessFunctionMock.useGetOneServerlessFunction.mockReturnValue(
       {
-        serverlessFunction: { sourceCodeFullPath: undefined },
+        serverlessFunction: { name: 'name' },
       },
     );
     const useGetOneServerlessFunctionSourceCodeMock = jest.requireMock(
diff --git a/packages/twenty-front/src/modules/workspace/types/FeatureFlagKey.ts b/packages/twenty-front/src/modules/workspace/types/FeatureFlagKey.ts
index 1185aa04f..6ed0dd7f1 100644
--- a/packages/twenty-front/src/modules/workspace/types/FeatureFlagKey.ts
+++ b/packages/twenty-front/src/modules/workspace/types/FeatureFlagKey.ts
@@ -7,4 +7,5 @@ export type FeatureFlagKey =
   | 'IS_FUNCTION_SETTINGS_ENABLED'
   | 'IS_COPILOT_ENABLED'
   | 'IS_CRM_MIGRATION_ENABLED'
+  | 'IS_FREE_ACCESS_ENABLED'
   | 'IS_MESSAGE_THREAD_SUBSCRIBER_ENABLED';
diff --git a/packages/twenty-front/src/pages/settings/serverless-functions/__stories__/SettingsServerlessFunctionDetail.stories.tsx b/packages/twenty-front/src/pages/settings/serverless-functions/__stories__/SettingsServerlessFunctionDetail.stories.tsx
index 219f10e73..8543e0376 100644
--- a/packages/twenty-front/src/pages/settings/serverless-functions/__stories__/SettingsServerlessFunctionDetail.stories.tsx
+++ b/packages/twenty-front/src/pages/settings/serverless-functions/__stories__/SettingsServerlessFunctionDetail.stories.tsx
@@ -38,7 +38,6 @@ const meta: Meta<PageDecoratorArgs> = {
                 description: '',
                 syncStatus: 'READY',
                 runtime: 'nodejs18.x',
-                sourceCodeFullPath: SOURCE_CODE_FULL_PATH,
                 sourceCodeHash: '42d2734b3dc8a7b45a16803ed7f417bc',
                 updatedAt: '2024-02-24T10:23:10.673Z',
                 createdAt: '2024-02-24T10:23:10.673Z',
diff --git a/packages/twenty-server/src/engine/core-modules/billing/billing.resolver.ts b/packages/twenty-server/src/engine/core-modules/billing/billing.resolver.ts
index a1bf997b8..a60992cc7 100644
--- a/packages/twenty-server/src/engine/core-modules/billing/billing.resolver.ts
+++ b/packages/twenty-server/src/engine/core-modules/billing/billing.resolver.ts
@@ -43,7 +43,7 @@ export class BillingResolver {
     @Args() { returnUrlPath }: BillingSessionInput,
   ) {
     return {
-      url: await this.billingPortalWorkspaceService.computeBillingPortalSessionURL(
+      url: await this.billingPortalWorkspaceService.computeBillingPortalSessionURLOrThrow(
         user.defaultWorkspaceId,
         returnUrlPath,
       ),
diff --git a/packages/twenty-server/src/engine/core-modules/billing/services/billing-portal.workspace-service.ts b/packages/twenty-server/src/engine/core-modules/billing/services/billing-portal.workspace-service.ts
index ca4685f07..d4a7a333f 100644
--- a/packages/twenty-server/src/engine/core-modules/billing/services/billing-portal.workspace-service.ts
+++ b/packages/twenty-server/src/engine/core-modules/billing/services/billing-portal.workspace-service.ts
@@ -65,18 +65,22 @@ export class BillingPortalWorkspaceService {
     return session.url;
   }
 
-  async computeBillingPortalSessionURL(
+  async computeBillingPortalSessionURLOrThrow(
     workspaceId: string,
     returnUrlPath?: string,
   ) {
-    const currentSubscriptionItem =
+    const currentSubscription =
       await this.billingSubscriptionService.getCurrentBillingSubscriptionOrThrow(
         {
           workspaceId,
         },
       );
 
-    const stripeCustomerId = currentSubscriptionItem.stripeCustomerId;
+    if (!currentSubscription) {
+      throw new Error('Error: missing subscription');
+    }
+
+    const stripeCustomerId = currentSubscription.stripeCustomerId;
 
     if (!stripeCustomerId) {
       throw new Error('Error: missing stripeCustomerId');