diff --git a/apps/backend/prisma/seed.ts b/apps/backend/prisma/seed.ts
index fc19c6dd7..e67721475 100644
--- a/apps/backend/prisma/seed.ts
+++ b/apps/backend/prisma/seed.ts
@@ -1,6 +1,6 @@
 /* eslint-disable no-restricted-syntax */
 import { usersCrudHandlers } from '@/app/api/latest/users/crud';
-import { createOrUpdateProject, getProject } from '@/lib/projects';
+import { createOrUpdateProjectWithLegacyConfig, getProject } from '@/lib/projects';
 import { DEFAULT_BRANCH_ID, getSoleTenancyFromProjectBranch } from '@/lib/tenancies';
 import { getPrismaClientForTenancy } from '@/prisma-client';
 import { PrismaClient } from '@prisma/client';
@@ -34,7 +34,7 @@ async function seed() {
   let internalProject = await getProject('internal');
 
   if (!internalProject) {
-    internalProject = await createOrUpdateProject({
+    internalProject = await createOrUpdateProjectWithLegacyConfig({
       type: 'create',
       projectId: 'internal',
       data: {
@@ -60,7 +60,7 @@ async function seed() {
   const internalTenancy = await getSoleTenancyFromProjectBranch("internal", DEFAULT_BRANCH_ID);
   const internalPrisma = await getPrismaClientForTenancy(internalTenancy);
 
-  internalProject = await createOrUpdateProject({
+  internalProject = await createOrUpdateProjectWithLegacyConfig({
     projectId: 'internal',
     branchId: DEFAULT_BRANCH_ID,
     type: 'update',
@@ -237,7 +237,7 @@ async function seed() {
     if (existingProject) {
       console.log('Emulator project already exists, skipping creation');
     } else {
-      await createOrUpdateProject({
+      await createOrUpdateProjectWithLegacyConfig({
         projectId: emulatorProjectId,
         type: 'create',
         data: {
diff --git a/apps/backend/src/app/api/latest/integrations/custom/projects/provision/route.tsx b/apps/backend/src/app/api/latest/integrations/custom/projects/provision/route.tsx
index a27ea921a..fe6d71d23 100644
--- a/apps/backend/src/app/api/latest/integrations/custom/projects/provision/route.tsx
+++ b/apps/backend/src/app/api/latest/integrations/custom/projects/provision/route.tsx
@@ -1,5 +1,5 @@
 import { createApiKeySet } from "@/lib/internal-api-keys";
-import { createOrUpdateProject } from "@/lib/projects";
+import { createOrUpdateProjectWithLegacyConfig } from "@/lib/projects";
 import { globalPrismaClient } from "@/prisma-client";
 import { createSmartRouteHandler } from "@/route-handlers/smart-route-handler";
 import { neonAuthorizationHeaderSchema, projectDisplayNameSchema, yupNumber, yupObject, yupString, yupTuple } from "@stackframe/stack-shared/dist/schema-fields";
@@ -28,7 +28,7 @@ export const POST = createSmartRouteHandler({
   handler: async (req) => {
     const [clientId] = decodeBasicAuthorizationHeader(req.headers.authorization[0])!;
 
-    const createdProject = await createOrUpdateProject({
+    const createdProject = await createOrUpdateProjectWithLegacyConfig({
       ownerIds: [],
       type: 'create',
       data: {
diff --git a/apps/backend/src/app/api/latest/integrations/neon/oauth-providers/crud.tsx b/apps/backend/src/app/api/latest/integrations/neon/oauth-providers/crud.tsx
index 3cee37861..de5b5826b 100644
--- a/apps/backend/src/app/api/latest/integrations/neon/oauth-providers/crud.tsx
+++ b/apps/backend/src/app/api/latest/integrations/neon/oauth-providers/crud.tsx
@@ -1,4 +1,4 @@
-import { createOrUpdateProject } from "@/lib/projects";
+import { createOrUpdateProjectWithLegacyConfig } from "@/lib/projects";
 import { Tenancy, getTenancy } from "@/lib/tenancies";
 import { createCrudHandlers } from "@/route-handlers/crud-handler";
 import { createCrud } from "@stackframe/stack-shared/dist/crud";
@@ -97,7 +97,7 @@ export const oauthProvidersCrudHandlers = createLazyProxy(() => createCrudHandle
       throw new StatusError(StatusError.BadRequest, 'OAuth provider already exists');
     }
 
-    await createOrUpdateProject({
+    await createOrUpdateProjectWithLegacyConfig({
       type: 'update',
       projectId: auth.project.id,
       branchId: auth.branchId,
@@ -124,7 +124,7 @@ export const oauthProvidersCrudHandlers = createLazyProxy(() => createCrudHandle
       throw new StatusError(StatusError.NotFound, 'OAuth provider not found');
     }
 
-    await createOrUpdateProject({
+    await createOrUpdateProjectWithLegacyConfig({
       type: 'update',
       projectId: auth.project.id,
       branchId: auth.branchId,
@@ -153,7 +153,7 @@ export const oauthProvidersCrudHandlers = createLazyProxy(() => createCrudHandle
       throw new StatusError(StatusError.NotFound, 'OAuth provider not found');
     }
 
-    await createOrUpdateProject({
+    await createOrUpdateProjectWithLegacyConfig({
       type: 'update',
       projectId: auth.project.id,
       branchId: auth.branchId,
diff --git a/apps/backend/src/app/api/latest/integrations/neon/projects/provision/route.tsx b/apps/backend/src/app/api/latest/integrations/neon/projects/provision/route.tsx
index fc285f4a8..45f390ee5 100644
--- a/apps/backend/src/app/api/latest/integrations/neon/projects/provision/route.tsx
+++ b/apps/backend/src/app/api/latest/integrations/neon/projects/provision/route.tsx
@@ -1,5 +1,5 @@
 import { createApiKeySet } from "@/lib/internal-api-keys";
-import { createOrUpdateProject } from "@/lib/projects";
+import { createOrUpdateProjectWithLegacyConfig } from "@/lib/projects";
 import { globalPrismaClient } from "@/prisma-client";
 import { createSmartRouteHandler } from "@/route-handlers/smart-route-handler";
 import { neonAuthorizationHeaderSchema, projectDisplayNameSchema, yupArray, yupNumber, yupObject, yupString, yupTuple } from "@stackframe/stack-shared/dist/schema-fields";
@@ -32,7 +32,7 @@ export const POST = createSmartRouteHandler({
   handler: async (req) => {
     const [clientId] = decodeBasicAuthorizationHeader(req.headers.authorization[0])!;
 
-    const createdProject = await createOrUpdateProject({
+    const createdProject = await createOrUpdateProjectWithLegacyConfig({
       ownerIds: [],
       sourceOfTruth: req.body.connection_strings ? {
         type: 'neon',
diff --git a/apps/backend/src/app/api/latest/internal/projects/crud.tsx b/apps/backend/src/app/api/latest/internal/projects/crud.tsx
index 5c8c5fca5..2bc12df24 100644
--- a/apps/backend/src/app/api/latest/internal/projects/crud.tsx
+++ b/apps/backend/src/app/api/latest/internal/projects/crud.tsx
@@ -1,5 +1,5 @@
 import { renderedOrganizationConfigToProjectCrud } from "@/lib/config";
-import { createOrUpdateProject, getProjectQuery, listManagedProjectIds } from "@/lib/projects";
+import { createOrUpdateProjectWithLegacyConfig, getProjectQuery, listManagedProjectIds } from "@/lib/projects";
 import { DEFAULT_BRANCH_ID, getSoleTenancyFromProjectBranch } from "@/lib/tenancies";
 import { globalPrismaClient, rawQueryAll } from "@/prisma-client";
 import { createCrudHandlers } from "@/route-handlers/crud-handler";
@@ -30,7 +30,7 @@ export const adminUserProjectsCrudHandlers = createLazyProxy(() => createCrudHan
     const ownerPack = ownerPacks.find(p => p.has(user.id));
     const userIds = ownerPack ? [...ownerPack] : [user.id];
 
-    const project = await createOrUpdateProject({
+    const project = await createOrUpdateProjectWithLegacyConfig({
       ownerIds: userIds,
       type: 'create',
       data,
diff --git a/apps/backend/src/app/api/latest/internal/projects/current/crud.tsx b/apps/backend/src/app/api/latest/internal/projects/current/crud.tsx
index d52f26ebe..ffad17686 100644
--- a/apps/backend/src/app/api/latest/internal/projects/current/crud.tsx
+++ b/apps/backend/src/app/api/latest/internal/projects/current/crud.tsx
@@ -1,5 +1,5 @@
 import { renderedOrganizationConfigToProjectCrud } from "@/lib/config";
-import { createOrUpdateProject } from "@/lib/projects";
+import { createOrUpdateProjectWithLegacyConfig } from "@/lib/projects";
 import { getTenancy } from "@/lib/tenancies";
 import { getPrismaClientForTenancy, globalPrismaClient } from "@/prisma-client";
 import { createCrudHandlers } from "@/route-handlers/crud-handler";
@@ -17,7 +17,7 @@ export const projectsCrudHandlers = createLazyProxy(() => createCrudHandlers(pro
     ) {
       throw new StatusError(400, "Invalid email theme");
     }
-    const project = await createOrUpdateProject({
+    const project = await createOrUpdateProjectWithLegacyConfig({
       type: "update",
       projectId: auth.project.id,
       branchId: auth.branchId,
diff --git a/apps/backend/src/lib/projects.tsx b/apps/backend/src/lib/projects.tsx
index c4af49812..fa7f70fb1 100644
--- a/apps/backend/src/lib/projects.tsx
+++ b/apps/backend/src/lib/projects.tsx
@@ -60,7 +60,7 @@ export async function getProject(projectId: string): Promise<Omit<ProjectsCrud["
   return result;
 }
 
-export async function createOrUpdateProject(
+export async function createOrUpdateProjectWithLegacyConfig(
   options: {
     ownerIds?: string[],
     sourceOfTruth?: ProjectConfigOverrideOverride["sourceOfTruth"],
diff --git a/packages/stack-shared/src/interface/admin-interface.ts b/packages/stack-shared/src/interface/admin-interface.ts
index a3bcb843c..de20ea4dc 100644
--- a/packages/stack-shared/src/interface/admin-interface.ts
+++ b/packages/stack-shared/src/interface/admin-interface.ts
@@ -1,4 +1,5 @@
 import { InternalSession } from "../sessions";
+import { ConfigOverridesCrud } from "./crud/config-overrides";
 import { EmailTemplateCrud, EmailTemplateType } from "./crud/email-templates";
 import { InternalEmailsCrud } from "./crud/emails";
 import { InternalApiKeysCrud } from "./crud/internal-api-keys";
@@ -471,4 +472,22 @@ export class StackAdminInterface extends StackServerInterface {
     );
     return await response.json();
   }
+
+  async getConfigOverrides(): Promise<ConfigOverridesCrud["Admin"]["Read"]> {
+    const response = await this.sendAdminRequest(
+      `/internal/config-overrides`,
+      { method: "GET" },
+      null,
+    );
+    return await response.json();
+  }
+
+  async updateConfigOverrides(data: ConfigOverridesCrud["Admin"]["Update"]): Promise<ConfigOverridesCrud["Admin"]["Read"]> {
+    const response = await this.sendAdminRequest(
+      `/internal/config-overrides`,
+      { method: "PATCH", body: JSON.stringify(data) },
+      null,
+    );
+    return await response.json();
+  }
 }