diff --git a/.changeset/purple-falcons-behave.md b/.changeset/purple-falcons-behave.md
new file mode 100644
index 0000000000..a845151cc8
--- /dev/null
+++ b/.changeset/purple-falcons-behave.md
@@ -0,0 +1,2 @@
+---
+---
diff --git a/.changeset/silly-spies-cut.md b/.changeset/silly-spies-cut.md
new file mode 100644
index 0000000000..a845151cc8
--- /dev/null
+++ b/.changeset/silly-spies-cut.md
@@ -0,0 +1,2 @@
+---
+---
diff --git a/integration/models/longRunningApplication.ts b/integration/models/longRunningApplication.ts
index 52c4ac4b6d..b7e17ced2d 100644
--- a/integration/models/longRunningApplication.ts
+++ b/integration/models/longRunningApplication.ts
@@ -62,6 +62,7 @@ export const longRunningApplication = (params: LongRunningApplicationParams) =>
         try {
           const publishableKey = params.env.publicVariables.get('CLERK_PUBLISHABLE_KEY');
           const secretKey = params.env.privateVariables.get('CLERK_SECRET_KEY');
+          const apiUrl = params.env.privateVariables.get('CLERK_API_URL');
           const { instanceType, frontendApi: frontendApiUrl } = parsePublishableKey(publishableKey);
 
           if (instanceType !== 'development') {
@@ -71,6 +72,8 @@ export const longRunningApplication = (params: LongRunningApplicationParams) =>
               publishableKey,
               frontendApiUrl,
               secretKey,
+              // @ts-expect-error apiUrl is not a typed option for clerkSetup, but it is accepted at runtime.
+              apiUrl,
               dotenv: false,
             });
           }
diff --git a/integration/presets/envs.ts b/integration/presets/envs.ts
index 8254244547..2ce9b117ee 100644
--- a/integration/presets/envs.ts
+++ b/integration/presets/envs.ts
@@ -144,6 +144,13 @@ const withSessionTasks = base
   .setEnvVariable('public', 'CLERK_PUBLISHABLE_KEY', instanceKeys.get('with-session-tasks').pk)
   .setEnvVariable('private', 'CLERK_ENCRYPTION_KEY', constants.E2E_CLERK_ENCRYPTION_KEY || 'a-key');
 
+const withBillingStaging = base
+  .clone()
+  .setId('withBillingStaging')
+  .setEnvVariable('private', 'CLERK_API_URL', 'https://api.clerkstage.dev')
+  .setEnvVariable('private', 'CLERK_SECRET_KEY', instanceKeys.get('with-billing-staging').sk)
+  .setEnvVariable('public', 'CLERK_PUBLISHABLE_KEY', instanceKeys.get('with-billing-staging').pk);
+
 export const envs = {
   base,
   withKeyless,
@@ -165,4 +172,5 @@ export const envs = {
   withSignInOrUpEmailLinksFlow,
   withSignInOrUpwithRestrictedModeFlow,
   withSessionTasks,
+  withBillingStaging,
 } as const;
diff --git a/integration/presets/longRunningApps.ts b/integration/presets/longRunningApps.ts
index dabfbf7232..3f5a9cba35 100644
--- a/integration/presets/longRunningApps.ts
+++ b/integration/presets/longRunningApps.ts
@@ -42,6 +42,7 @@ export const createLongRunningApps = () => {
       config: next.appRouter,
       env: envs.withSessionTasks,
     },
+    { id: 'next.appRouter.withBillingStaging', config: next.appRouter, env: envs.withBillingStaging },
     {
       id: 'next.appRouter.withLegalConsent',
       config: next.appRouter,
diff --git a/integration/tests/protect.test.ts b/integration/tests/protect.test.ts
index 2d85ae3322..647ead518f 100644
--- a/integration/tests/protect.test.ts
+++ b/integration/tests/protect.test.ts
@@ -5,7 +5,9 @@ import { appConfigs } from '../presets';
 import type { FakeOrganization, FakeUser } from '../testUtils';
 import { createTestUtils, testAgainstRunningApps } from '../testUtils';
 
-testAgainstRunningApps({ withEnv: [appConfigs.envs.withCustomRoles] })('authorization @nextjs', ({ app }) => {
+testAgainstRunningApps({
+  withEnv: [appConfigs.envs.withCustomRoles, appConfigs.envs.withBillingStaging],
+})('authorization @nextjs', ({ app }) => {
   test.describe.configure({ mode: 'serial' });
 
   let fakeAdmin: FakeUser;
@@ -40,6 +42,8 @@ testAgainstRunningApps({ withEnv: [appConfigs.envs.withCustomRoles] })('authoriz
     await u.po.signIn.waitForMounted();
     await u.po.signIn.signInWithEmailAndInstantPassword({ email: fakeAdmin.email, password: fakeAdmin.password });
     await u.po.expect.toBeSignedIn();
+    const jwtVersion = await page.evaluate(() => window.Clerk.session?.lastActiveToken?.jwt?.claims?.v);
+    expect(jwtVersion).toBe(app.env.id === 'withBillingStaging' ? 2 : undefined);
 
     await u.po.organizationSwitcher.goTo();
     await u.po.organizationSwitcher.waitForMounted();
diff --git a/packages/testing/src/common/setup.ts b/packages/testing/src/common/setup.ts
index 90397df525..480170e82f 100644
--- a/packages/testing/src/common/setup.ts
+++ b/packages/testing/src/common/setup.ts
@@ -48,7 +48,7 @@ export const fetchEnvVars = async (options?: ClerkSetupOptions): Promise<ClerkSe
     log('Fetching testing token from Clerk Backend API...');
 
     try {
-      const apiUrl = process.env.CLERK_API_URL;
+      const apiUrl = (rest as any)?.apiUrl || process.env.CLERK_API_URL;
       const clerkClient = createClerkClient({ secretKey, apiUrl });
       const tokenData = await clerkClient.testingTokens.createTestingToken();
       testingToken = tokenData.token;