diff --git a/.github/workflows/test-apps.yml b/.github/workflows/test-apps.yml
index 8ac9e536a..7d0ac1e18 100644
--- a/.github/workflows/test-apps.yml
+++ b/.github/workflows/test-apps.yml
@@ -124,7 +124,7 @@ jobs:
           ECOM_STORE_ID=$ECOM_STORE_ID
           " > functions/.env
           npx cloudcommerce prepare
-          firebase --project=ecom2-demo emulators:start --only functions &
+          firebase --project=ecom2-demo emulators:start --only functions,hosting &
 
       - name: Run tests
         shell: bash
@@ -137,5 +137,15 @@ jobs:
           GALAXPAY_ID: ${{ secrets.GALAXPAY_ID }}
           GALAXPAY_HASH: ${{ secrets.GALAXPAY_HASH }}
         run: |
+          printf "ECOM_AUTHENTICATION_ID=$ECOM_AUTHENTICATION_ID
+          ECOM_API_KEY=$ECOM_API_KEY
+          ECOM_STORE_ID=$ECOM_STORE_ID
+          " > .env
           sleep 10
           pnpm test:apps
+      - name: check debug
+        if: always()
+        shell: bash
+        working-directory: store
+        run: |
+          cat firebase-debug.log
diff --git a/packages/modules/src/firebase/checkout.ts b/packages/modules/src/firebase/checkout.ts
index c1ac5e89f..8ce9397bf 100644
--- a/packages/modules/src/firebase/checkout.ts
+++ b/packages/modules/src/firebase/checkout.ts
@@ -27,7 +27,8 @@ type Item = Exclude<OrderSet['items'], undefined>[number]
 export default async (req: Request, res: Response) => {
   const host = req.hostname !== 'localhost' && req.hostname !== '127.0.0.1'
     ? `https://${req.hostname}`
-    : 'http://127.0.0.1:5000';
+    : 'http://127.0.0.1:5000/_api/modules';
+  console.log('>> debug ', host);
   const modulesBaseURL = `${host}${req.url.replace(/\/@?checkout[^/]*$/i, '')}`;
 
   const validate = ajv.compile(checkoutSchema.params);
diff --git a/packages/modules/tests/1-modules.test.ts b/packages/modules/tests/1-modules.test.ts
index a043fc4bb..9a23b3a80 100644
--- a/packages/modules/tests/1-modules.test.ts
+++ b/packages/modules/tests/1-modules.test.ts
@@ -1,5 +1,26 @@
-import { describe, test, expect } from 'vitest';
-import { modulesUrl } from '@cloudcommerce/test-base';
+import type { Customers, Products } from '@cloudcommerce/api/types';
+import * as dotenv from 'dotenv';
+import {
+  describe,
+  test,
+  expect,
+  beforeAll,
+} from 'vitest';
+import {
+  modulesUrl,
+  getCustomerApi,
+  getProductApi,
+} from '@cloudcommerce/test-base';
+
+const requestApiModule = (moduleName: string, body) => {
+  return fetch(`${modulesUrl}/${moduleName}`, {
+    method: 'POST',
+    body: JSON.stringify(body),
+    headers: {
+      'Content-Type': 'application/json',
+    },
+  });
+};
 
 describe('Test GET Schemas', async () => {
   test('@checkout', async () => {
@@ -23,3 +44,116 @@ describe('Test GET Schemas', async () => {
     expect(req.status).toBe(200);
   });
 });
+
+describe('Test POST', async () => {
+  dotenv.config({ path: '../../.env' });
+
+  let product: Products | null = null;
+  let customer: Customers | null = null;
+  let item;
+  let to;
+  let appShippingCustom;
+  let appPaymentCustom;
+  let shipping;
+  let transaction;
+
+  beforeAll(async () => {
+    product = await getProductApi();
+    customer = await getCustomerApi('test@test.com');
+    item = {
+      ...product,
+      product_id: product?._id,
+      quantity: 1,
+    };
+    to = customer?.addresses?.length && { ...customer?.addresses[0] };
+    const bodyCalculateShipping = {
+      to,
+      items: [item],
+    };
+
+    let req = await requestApiModule('calculate_shipping', bodyCalculateShipping);
+    let data = await req.json();
+    appShippingCustom = data?.result?.find((app) => app.app_id === 1253);
+
+    const bodyListPayments = {
+      items: [item],
+    };
+
+    req = await requestApiModule('list_payments', bodyListPayments);
+    data = await req.json();
+
+    appPaymentCustom = data?.result.find((app) => app.app_id === 108091);
+  });
+
+  // test only if the application is configured
+  test('calculate_shipping (App Custon shipping)', async () => {
+    if (appShippingCustom) {
+      const appShipping = appShippingCustom;
+      expect(appShipping).toBeDefined();
+      if (to) {
+        shipping = {
+          app_id: appShipping.app_id,
+          to,
+          service_code: appShipping.response.shipping_services[0].service_code,
+        };
+      }
+    }
+  });
+
+  // test only if the application is configured
+  test('list_payments (App Custon payment)', async () => {
+    if (appPaymentCustom) {
+      const appPayment = appPaymentCustom;
+
+      expect(appPayment).toBeDefined();
+      const {
+        label,
+        payment_method: paymentMethod,
+        type,
+      } = appPayment.response.payment_gateways[0];
+      transaction = {
+        app_id: appPayment.app_id,
+        label,
+        payment_method: paymentMethod,
+        type,
+        buyer: {
+          email: 'test@test.com',
+          fullname: 'Usuário Teste',
+          birth_date: {
+            day: 1,
+            month: 1,
+            year: 1990,
+          },
+          phone: {
+            number: '999999999',
+            country_code: 55,
+          },
+          registry_type: 'p',
+          doc_number: '12345678912',
+        },
+        to,
+      };
+    }
+  });
+
+  /// test only if transaction and delivery are defined
+  test('@checkout', async () => {
+    if (shipping && transaction) {
+      const bodyCheckout = {
+        items: [item],
+        customer: {
+          name: {
+            given_name: 'Teste',
+          },
+          main_email: 'test@test.com',
+        },
+        shipping,
+        transaction,
+      };
+      const req = await requestApiModule('@checkout', bodyCheckout);
+      console.log('debug ', await req.json());
+
+      expect(req.status).toBe(200);
+    }
+  }, 10000);
+});
diff --git a/packages/test-base/src/get-resource-to-tests.ts b/packages/test-base/src/get-resource-to-tests.ts
new file mode 100644
index 000000000..f5318630f
--- /dev/null
+++ b/packages/test-base/src/get-resource-to-tests.ts
@@ -0,0 +1,37 @@
+import logger from 'firebase-functions/logger';
+import api from '@cloudcommerce/api';
+
+const getProductApi = async (productName?: string) => {
+  const product = await api.get(`products?limit=1${productName ? `&name=${productName}` : ''}`).then(async ({ data }) => {
+    if (data.result.length) {
+      const projectId = data.result[0]._id;
+      return api.get(`products/${projectId}`).then(({ data: productFound }) => productFound);
+    }
+    return null;
+  }).catch((e) => {
+    logger.error(e);
+    throw e;
+  });
+
+  return product;
+};
+
+const getCustomerApi = async (email: string) => {
+  const customer = await api.get(`customers?main_email=${email}`).then(async ({ data }) => {
+    if (data.result.length) {
+      const customerId = data.result[0]._id;
+      return api.get(`customers/${customerId}`).then(({ data: customerFound }) => customerFound);
+    }
+    return null;
+  }).catch((e) => {
+    logger.error(e);
+    throw e;
+  });
+
+  return customer;
+};
+
+export {
+  getProductApi,
+  getCustomerApi,
+};
diff --git a/packages/test-base/src/index.ts b/packages/test-base/src/index.ts
index 3b7cb04a6..34dff8bdd 100644
--- a/packages/test-base/src/index.ts
+++ b/packages/test-base/src/index.ts
@@ -1,3 +1,5 @@
 export * from './endpoints';
 
 export * from './playloads';
+
+export * from './get-resource-to-tests';