diff --git a/apps/sim/app/api/workspaces/[id]/owner-billing/route.test.ts b/apps/sim/app/api/workspaces/[id]/owner-billing/route.test.ts
new file mode 100644
index 0000000000..2ae727ae92
--- /dev/null
+++ b/apps/sim/app/api/workspaces/[id]/owner-billing/route.test.ts
@@ -0,0 +1,80 @@
+/**
+ * @vitest-environment node
+ */
+import { createMockRequest } from '@sim/testing'
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+
+const { mockGetSession, mockGetUserEntityPermissions, mockGetWorkspaceOwnerSubscriptionAccess } =
+  vi.hoisted(() => ({
+    mockGetSession: vi.fn(),
+    mockGetUserEntityPermissions: vi.fn(),
+    mockGetWorkspaceOwnerSubscriptionAccess: vi.fn(),
+  }))
+
+vi.mock('@/lib/auth', () => ({
+  auth: { api: { getSession: vi.fn() } },
+  getSession: mockGetSession,
+}))
+
+vi.mock('@/lib/workspaces/permissions/utils', () => ({
+  getUserEntityPermissions: mockGetUserEntityPermissions,
+}))
+
+vi.mock('@/lib/billing/core/workspace-access', () => ({
+  getWorkspaceOwnerSubscriptionAccess: mockGetWorkspaceOwnerSubscriptionAccess,
+}))
+
+import { GET } from '@/app/api/workspaces/[id]/owner-billing/route'
+
+const WORKSPACE_ID = 'ws-1'
+
+const PAID_ACCESS = {
+  plan: 'team_25000',
+  status: 'active',
+  isPaid: true,
+  isPro: false,
+  isTeam: true,
+  isEnterprise: false,
+  isOrgScoped: true,
+  organizationId: 'org-1',
+}
+
+function buildParams() {
+  return { params: Promise.resolve({ id: WORKSPACE_ID }) }
+}
+
+async function callGet() {
+  const request = createMockRequest('GET')
+  const response = await GET(request, buildParams())
+  return { status: response.status, body: await response.json() }
+}
+
+describe('GET /api/workspaces/[id]/owner-billing', () => {
+  beforeEach(() => {
+    vi.clearAllMocks()
+    mockGetSession.mockResolvedValue({ user: { id: 'u-1' } })
+    mockGetUserEntityPermissions.mockResolvedValue('read')
+    mockGetWorkspaceOwnerSubscriptionAccess.mockResolvedValue(PAID_ACCESS)
+  })
+
+  it('returns 401 when unauthenticated', async () => {
+    mockGetSession.mockResolvedValue(null)
+    const { status } = await callGet()
+    expect(status).toBe(401)
+    expect(mockGetWorkspaceOwnerSubscriptionAccess).not.toHaveBeenCalled()
+  })
+
+  it('returns 404 when the caller has no workspace access', async () => {
+    mockGetUserEntityPermissions.mockResolvedValue(null)
+    const { status } = await callGet()
+    expect(status).toBe(404)
+    expect(mockGetWorkspaceOwnerSubscriptionAccess).not.toHaveBeenCalled()
+  })
+
+  it('returns the workspace owner subscription access for a member', async () => {
+    const { status, body } = await callGet()
+    expect(status).toBe(200)
+    expect(body).toEqual(PAID_ACCESS)
+    expect(mockGetWorkspaceOwnerSubscriptionAccess).toHaveBeenCalledWith(WORKSPACE_ID)
+  })
+})
diff --git a/apps/sim/app/api/workspaces/[id]/owner-billing/route.ts b/apps/sim/app/api/workspaces/[id]/owner-billing/route.ts
new file mode 100644
index 0000000000..6766c3351a
--- /dev/null
+++ b/apps/sim/app/api/workspaces/[id]/owner-billing/route.ts
@@ -0,0 +1,35 @@
+import type { NextRequest } from 'next/server'
+import { NextResponse } from 'next/server'
+import { getWorkspaceOwnerBillingContract } from '@/lib/api/contracts/workspaces'
+import { parseRequest } from '@/lib/api/server'
+import { getSession } from '@/lib/auth'
+import { getWorkspaceOwnerSubscriptionAccess } from '@/lib/billing/core/workspace-access'
+import { withRouteHandler } from '@/lib/core/utils/with-route-handler'
+import { getUserEntityPermissions } from '@/lib/workspaces/permissions/utils'
+
+/**
+ * Subscription access state of the workspace's billed account — the workspace-
+ * scoped counterpart to the viewer `/api/billing`. Lets the UI gate workspace
+ * features (e.g. the deploy modal) on the owner's plan rather than the viewer's,
+ * so a free member of a paid workspace isn't shown an upgrade wall.
+ */
+export const GET = withRouteHandler(
+  async (req: NextRequest, context: { params: Promise<{ id: string }> }) => {
+    const session = await getSession()
+    if (!session?.user?.id) {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
+    }
+
+    const parsed = await parseRequest(getWorkspaceOwnerBillingContract, req, context)
+    if (!parsed.success) return parsed.response
+    const { id: workspaceId } = parsed.data.params
+
+    const permission = await getUserEntityPermissions(session.user.id, 'workspace', workspaceId)
+    if (!permission) {
+      return NextResponse.json({ error: 'Not found' }, { status: 404 })
+    }
+
+    const ownerAccess = await getWorkspaceOwnerSubscriptionAccess(workspaceId)
+    return NextResponse.json(ownerAccess)
+  }
+)
diff --git a/apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/deploy/components/deploy-modal/deploy-modal.tsx b/apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/deploy/components/deploy-modal/deploy-modal.tsx
index 5f19ce56e4..4f7cddaa13 100644
--- a/apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/deploy/components/deploy-modal/deploy-modal.tsx
+++ b/apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/deploy/components/deploy-modal/deploy-modal.tsx
@@ -21,7 +21,6 @@ import {
   ModalTabsList,
   ModalTabsTrigger,
 } from '@/components/emcn'
-import { isFree } from '@/lib/billing/plan-helpers'
 import { getBaseUrl } from '@/lib/core/utils/urls'
 import { getInputFormatExample as getInputFormatExampleUtil } from '@/lib/workflows/operations/deployment-utils'
 import { useUserPermissionsContext } from '@/app/workspace/[workspaceId]/providers/workspace-permissions-provider'
@@ -46,10 +45,9 @@ import {
   useDeployWorkflow,
   useUndeployWorkflow,
 } from '@/hooks/queries/deployments'
-import { useSubscriptionData } from '@/hooks/queries/subscription'
 import { useWorkflowMcpServers } from '@/hooks/queries/workflow-mcp-servers'
 import { useWorkflowMap } from '@/hooks/queries/workflows'
-import { useWorkspaceSettings } from '@/hooks/queries/workspace'
+import { useWorkspaceOwnerBilling, useWorkspaceSettings } from '@/hooks/queries/workspace'
 import { usePermissionConfig } from '@/hooks/use-permission-config'
 import { useSettingsNavigation } from '@/hooks/use-settings-navigation'
 import { useWorkflowRegistry } from '@/stores/workflows/registry/store'
@@ -158,11 +156,16 @@ export function DeployModal({
   const userPermissions = useUserPermissionsContext()
   const canManageWorkspaceKeys = userPermissions.canAdmin
   const { config: permissionConfig, isPublicApiDisabled } = usePermissionConfig()
-  const { data: subscriptionData, isLoading: isLoadingSubscription } = useSubscriptionData()
-  // Hold the gate closed until the plan is known — isFree(undefined) is true, so
-  // gating during load would flash the upgrade wall at paid users.
-  const gateProgrammaticDeploy =
-    isBillingEnabled && !isLoadingSubscription && isFree(subscriptionData?.data?.plan)
+  // Gate on the WORKSPACE owner's plan (billed account, rolled up), not the
+  // viewer's individual plan, so a free member of a paid workspace isn't shown
+  // the upgrade wall. Keyed on the URL `workspaceId` (available on mount). Uses
+  // `isPaid` — the same check the server gate runs (any paid plan in an entitled
+  // status, incl. `past_due`) — rather than `hasUsablePaidAccess`, which would
+  // reject `past_due`/billing-blocked owners the API still allows. While loading
+  // the data is undefined → gate stays closed (no flash); only a resolved,
+  // non-paid owner gates.
+  const { data: ownerBilling } = useWorkspaceOwnerBilling(workspaceId ?? undefined)
+  const gateProgrammaticDeploy = isBillingEnabled && !!ownerBilling && !ownerBilling.isPaid
   const { data: apiKeysData, isLoading: isLoadingKeys } = useApiKeys(workflowWorkspaceId || '')
   const { data: workspaceSettingsData, isLoading: isLoadingSettings } = useWorkspaceSettings(
     workflowWorkspaceId || ''
diff --git a/apps/sim/hooks/queries/workspace.ts b/apps/sim/hooks/queries/workspace.ts
index cdb700fdb0..f91d769d1f 100644
--- a/apps/sim/hooks/queries/workspace.ts
+++ b/apps/sim/hooks/queries/workspace.ts
@@ -8,12 +8,14 @@ import {
   deleteWorkspaceContract,
   getWorkspaceContract,
   getWorkspaceMembersContract,
+  getWorkspaceOwnerBillingContract,
   getWorkspacePermissionsContract,
   listWorkspacesContract,
   updateWorkspaceContract,
   type Workspace,
   type WorkspaceCreationPolicy,
   type WorkspaceMember,
+  type WorkspaceOwnerBilling,
   type WorkspacePermissions,
   type WorkspaceQueryScope,
   type WorkspacesResponse,
@@ -33,6 +35,7 @@ export const workspaceKeys = {
   settings: (id: string) => [...workspaceKeys.detail(id), 'settings'] as const,
   permissions: (id: string) => [...workspaceKeys.detail(id), 'permissions'] as const,
   members: (id: string) => [...workspaceKeys.detail(id), 'members'] as const,
+  ownerBilling: (id: string) => [...workspaceKeys.detail(id), 'ownerBilling'] as const,
   adminLists: () => [...workspaceKeys.all, 'adminList'] as const,
   adminList: (userId: string | undefined) => [...workspaceKeys.adminLists(), userId ?? ''] as const,
 }
@@ -108,6 +111,36 @@ export function useWorkspaceCreationPolicy(enabled = true) {
   })
 }
 
+async function fetchWorkspaceOwnerBilling(
+  workspaceId: string,
+  signal?: AbortSignal
+): Promise<WorkspaceOwnerBilling> {
+  return requestJson(getWorkspaceOwnerBillingContract, {
+    params: { id: workspaceId },
+    signal,
+  })
+}
+
+/**
+ * Subscription access state of the workspace's billed account (its owner's
+ * rolled-up plan) — the workspace-scoped counterpart to `useSubscriptionData`.
+ * Feed the result to `getSubscriptionAccessState` to gate workspace features on
+ * the owner's plan rather than the viewer's, so a free member of a paid workspace
+ * isn't gated.
+ *
+ * `staleTime: 0` so consumers (e.g. the deploy modal) refetch on mount: a plan
+ * change happens outside this query's invalidation graph, and the cached value is
+ * shown during the background refetch (no flash), so gates self-heal on reopen.
+ */
+export function useWorkspaceOwnerBilling(workspaceId?: string) {
+  return useQuery({
+    queryKey: workspaceKeys.ownerBilling(workspaceId ?? ''),
+    queryFn: ({ signal }) => fetchWorkspaceOwnerBilling(workspaceId as string, signal),
+    enabled: Boolean(workspaceId),
+    staleTime: 0,
+  })
+}
+
 type CreateWorkspaceParams = Pick<ContractBodyInput<typeof createWorkspaceContract>, 'name'>
 
 /**
diff --git a/apps/sim/lib/api/contracts/workspaces.ts b/apps/sim/lib/api/contracts/workspaces.ts
index 6a8a0de394..361004bdf2 100644
--- a/apps/sim/lib/api/contracts/workspaces.ts
+++ b/apps/sim/lib/api/contracts/workspaces.ts
@@ -181,6 +181,35 @@ export const getWorkspaceContract = defineRouteContract({
   },
 })
 
+/**
+ * Subscription access fields of the workspace's billed account (its OWNER's
+ * rolled-up plan) — the workspace-scoped counterpart to the viewer `/api/billing`
+ * data. Feed to `getSubscriptionAccessState` to gate workspace features on the
+ * owner's plan instead of the signed-in viewer's. No usage/credit data.
+ */
+export const workspaceOwnerBillingSchema = z.object({
+  plan: z.string(),
+  status: z.string().nullable(),
+  isPaid: z.boolean(),
+  isPro: z.boolean(),
+  isTeam: z.boolean(),
+  isEnterprise: z.boolean(),
+  isOrgScoped: z.boolean(),
+  organizationId: z.string().nullable(),
+})
+
+export type WorkspaceOwnerBilling = z.output<typeof workspaceOwnerBillingSchema>
+
+export const getWorkspaceOwnerBillingContract = defineRouteContract({
+  method: 'GET',
+  path: '/api/workspaces/[id]/owner-billing',
+  params: workspaceParamsSchema,
+  response: {
+    mode: 'json',
+    schema: workspaceOwnerBillingSchema,
+  },
+})
+
 export const updateWorkspaceContract = defineRouteContract({
   method: 'PATCH',
   path: '/api/workspaces/[id]',
diff --git a/apps/sim/lib/billing/core/workspace-access.test.ts b/apps/sim/lib/billing/core/workspace-access.test.ts
new file mode 100644
index 0000000000..5ff234c9b7
--- /dev/null
+++ b/apps/sim/lib/billing/core/workspace-access.test.ts
@@ -0,0 +1,59 @@
+/**
+ * @vitest-environment node
+ */
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+
+const { mockGetWorkspaceBilledAccountUserId, mockGetHighestPrioritySubscription } = vi.hoisted(
+  () => ({
+    mockGetWorkspaceBilledAccountUserId: vi.fn(),
+    mockGetHighestPrioritySubscription: vi.fn(),
+  })
+)
+
+vi.mock('@/lib/workspaces/utils', () => ({
+  getWorkspaceBilledAccountUserId: mockGetWorkspaceBilledAccountUserId,
+}))
+
+vi.mock('@/lib/billing/core/subscription', () => ({
+  getHighestPrioritySubscription: mockGetHighestPrioritySubscription,
+}))
+
+import { getWorkspaceOwnerSubscriptionAccess } from '@/lib/billing/core/workspace-access'
+
+describe('getWorkspaceOwnerSubscriptionAccess', () => {
+  beforeEach(() => {
+    vi.clearAllMocks()
+    mockGetWorkspaceBilledAccountUserId.mockResolvedValue('owner-1')
+  })
+
+  it('reports paid + org-scoped for an org team plan billed to the owner', async () => {
+    mockGetHighestPrioritySubscription.mockResolvedValue({
+      plan: 'team_25000',
+      status: 'active',
+      referenceId: 'org-1',
+    })
+    const access = await getWorkspaceOwnerSubscriptionAccess('ws-1')
+    expect(access).toMatchObject({
+      plan: 'team_25000',
+      isPaid: true,
+      isTeam: true,
+      isPro: false,
+      isEnterprise: false,
+      isOrgScoped: true,
+      organizationId: 'org-1',
+    })
+  })
+
+  it('reports free when the billed account has no subscription', async () => {
+    mockGetHighestPrioritySubscription.mockResolvedValue(null)
+    const access = await getWorkspaceOwnerSubscriptionAccess('ws-1')
+    expect(access).toMatchObject({ plan: 'free', isPaid: false, isOrgScoped: false })
+  })
+
+  it('reports free when the workspace has no billed account', async () => {
+    mockGetWorkspaceBilledAccountUserId.mockResolvedValue(null)
+    const access = await getWorkspaceOwnerSubscriptionAccess('ws-1')
+    expect(access.isPaid).toBe(false)
+    expect(mockGetHighestPrioritySubscription).not.toHaveBeenCalled()
+  })
+})
diff --git a/apps/sim/lib/billing/core/workspace-access.ts b/apps/sim/lib/billing/core/workspace-access.ts
new file mode 100644
index 0000000000..db83bf8c8d
--- /dev/null
+++ b/apps/sim/lib/billing/core/workspace-access.ts
@@ -0,0 +1,56 @@
+import { getHighestPrioritySubscription } from '@/lib/billing/core/subscription'
+import { isEnterprise, isPaid, isPro, isTeam } from '@/lib/billing/plan-helpers'
+import {
+  hasPaidSubscriptionStatus,
+  isOrgScopedSubscription,
+} from '@/lib/billing/subscriptions/utils'
+import { getWorkspaceBilledAccountUserId } from '@/lib/workspaces/utils'
+
+/**
+ * The subscription access fields of a workspace's billed account, as a workspace-
+ * scoped counterpart to the viewer's `/api/billing` data. Feed this to the
+ * client `getSubscriptionAccessState` to derive `hasUsablePaidAccess` etc. for
+ * the WORKSPACE (its owner's rolled-up plan), instead of the signed-in viewer's
+ * individual plan — so a free member of a paid workspace isn't gated.
+ *
+ * Carries no usage/credit/Stripe data: safe to expose to any workspace member.
+ */
+export interface WorkspaceOwnerSubscriptionAccess {
+  plan: string
+  status: string | null
+  isPaid: boolean
+  isPro: boolean
+  isTeam: boolean
+  isEnterprise: boolean
+  isOrgScoped: boolean
+  organizationId: string | null
+}
+
+/**
+ * Resolves the workspace's billed account and returns its subscription access
+ * fields (rolled up over org memberships). Mirrors the flag derivation in
+ * `getSimplifiedBillingSummary` so the result matches the viewer `/api/billing`
+ * shape for the owner.
+ */
+export async function getWorkspaceOwnerSubscriptionAccess(
+  workspaceId: string
+): Promise<WorkspaceOwnerSubscriptionAccess> {
+  const billedUserId = await getWorkspaceBilledAccountUserId(workspaceId)
+  const subscription = billedUserId ? await getHighestPrioritySubscription(billedUserId) : null
+
+  const plan = subscription?.plan ?? 'free'
+  const hasPaidEntitlement = hasPaidSubscriptionStatus(subscription?.status)
+  const orgScoped =
+    subscription && billedUserId ? isOrgScopedSubscription(subscription, billedUserId) : false
+
+  return {
+    plan,
+    status: subscription?.status ?? null,
+    isPaid: hasPaidEntitlement && isPaid(plan),
+    isPro: hasPaidEntitlement && isPro(plan),
+    isTeam: hasPaidEntitlement && isTeam(plan),
+    isEnterprise: hasPaidEntitlement && isEnterprise(plan),
+    isOrgScoped: orgScoped,
+    organizationId: orgScoped && subscription ? subscription.referenceId : null,
+  }
+}
diff --git a/apps/sim/lib/billing/index.ts b/apps/sim/lib/billing/index.ts
index 83a938f633..eff8e32c75 100644
--- a/apps/sim/lib/billing/index.ts
+++ b/apps/sim/lib/billing/index.ts
@@ -30,6 +30,7 @@ export {
   getUserUsageLimit as getUsageLimit,
   updateUserUsageLimit as updateUsageLimit,
 } from '@/lib/billing/core/usage'
+export * from '@/lib/billing/core/workspace-access'
 export * from '@/lib/billing/credits/balance'
 export * from '@/lib/billing/credits/purchase'
 export {
diff --git a/scripts/check-api-validation-contracts.ts b/scripts/check-api-validation-contracts.ts
index 2ca1801390..d82996804c 100644
--- a/scripts/check-api-validation-contracts.ts
+++ b/scripts/check-api-validation-contracts.ts
@@ -9,8 +9,8 @@ const QUERY_HOOKS_DIR = path.join(ROOT, 'apps/sim/hooks/queries')
 const SELECTOR_HOOKS_DIR = path.join(ROOT, 'apps/sim/hooks/selectors')
 
 const BASELINE = {
-  totalRoutes: 827,
-  zodRoutes: 827,
+  totalRoutes: 828,
+  zodRoutes: 828,
   nonZodRoutes: 0,
 } as const