diff --git a/docs/content/advanced/admin/import-prices.mdx b/docs/content/advanced/admin/import-prices.mdx
index 7cbccf670f..bdfd44b305 100644
--- a/docs/content/advanced/admin/import-prices.mdx
+++ b/docs/content/advanced/admin/import-prices.mdx
@@ -79,6 +79,7 @@ formData.append('files', file); //file is an instance of File
 
 fetch(`<YOUR_SERVER>/admin/uploads`, {
 	method: 'POST',
+	credentials: 'include',
 	headers: {
     'Content-Type': 'multipart/form-data',
   },
@@ -134,6 +135,7 @@ medusa.admin.batchJobs.create({
 ```jsx
 fetch(`<YOUR_SERVER>/admin/batch-jobs`, {
 	method: 'POST',
+	credentials: 'include',
 	headers: {
     'Content-Type': 'application/json'
   },
@@ -210,7 +212,9 @@ medusa.admin.batchJobs.retrieve(batchJobId)
 <TabItem value="fetch" label="Fetch API">
 
 ```jsx
-fetch(`<YOUR_SERVER>/admin/batch-jobs/${batchJobId}`)
+fetch(`<YOUR_SERVER>/admin/batch-jobs/${batchJobId}`, {
+	credentials: 'include',
+})
 .then((response) => response.json())
 .then(({ batch_job }) => {
 	console.log(batch_job.status, batch_job.result);
@@ -270,7 +274,8 @@ medusa.admin.batchJobs.confirm(batchJobId)
 
 ```jsx
 fetch(`<YOUR_SERVER>/admin/batch-jobs/${batchJobId}/confirm`, {
-	method: 'POST'
+	method: 'POST',
+	credentials: 'include',
 })
 .then((response) => response.json())
 .then(({ batch_job }) => {
diff --git a/docs/content/advanced/admin/import-products.mdx b/docs/content/advanced/admin/import-products.mdx
index 347beb1af0..f70683129a 100644
--- a/docs/content/advanced/admin/import-products.mdx
+++ b/docs/content/advanced/admin/import-products.mdx
@@ -73,6 +73,7 @@ formData.append('files', file); //file is an instance of File
 
 fetch(`<YOUR_SERVER>/admin/uploads`, {
   method: 'POST',
+  credentials: 'include',
   headers: {
     'Content-Type': 'multipart/form-data',
   },
@@ -127,6 +128,7 @@ medusa.admin.batchJobs.create({
 ```jsx
 fetch(`<YOUR_SERVER>/admin/batch-jobs`, {
   method: 'POST',
+  credentials: 'include',
   headers: {
     'Content-Type': 'application/json'
   },
@@ -198,7 +200,9 @@ medusa.admin.batchJobs.retrieve(batchJobId)
 <TabItem value="fetch" label="Fetch API">
 
 ```jsx
-fetch(`<YOUR_SERVER>/admin/batch-jobs/${batchJobId}`)
+fetch(`<YOUR_SERVER>/admin/batch-jobs/${batchJobId}`, {
+  credentials: 'include',
+})
 .then((response) => response.json())
 .then(({ batch_job }) => {
   console.log(batch_job.status, batch_job.result);
@@ -258,7 +262,8 @@ medusa.admin.batchJobs.confirm(batchJobId)
 
 ```jsx
 fetch(`<YOUR_SERVER>/admin/batch-jobs/${batchJobId}/confirm`, {
-  method: 'POST'
+  method: 'POST',
+  credentials: 'include',
 })
 .then((response) => response.json())
 .then(({ batch_job }) => {
diff --git a/docs/content/advanced/admin/use-customergroups-api.mdx b/docs/content/advanced/admin/use-customergroups-api.mdx
index ca44ec36df..8139c36bf4 100644
--- a/docs/content/advanced/admin/use-customergroups-api.mdx
+++ b/docs/content/advanced/admin/use-customergroups-api.mdx
@@ -57,6 +57,7 @@ medusa.admin.customerGroups.create({
 ```jsx
 fetch(`<SERVER_URL>/admin/customer-groups`, {
   method: 'POST',
+  credentials: 'include',
   headers: {
     'Content-Type': 'application/json'
   },
@@ -107,7 +108,9 @@ medusa.admin.customerGroups.list()
 <TabItem value="fetch" label="Fetch API">
 
 ```jsx
-fetch(`<SERVER_URL>/admin/customer-groups`)
+fetch(`<SERVER_URL>/admin/customer-groups`, {
+  credentials: 'include',
+})
 .then((response) => response.json())
 .then(({ customer_groups, limit, offset, count }) => {
   console.log(customer_groups.length)
@@ -149,7 +152,9 @@ medusa.admin.customerGroups.retrieve(customerGroupId)
 <TabItem value="fetch" label="Fetch API">
 
 ```jsx
-fetch(`<SERVER_URL>/admin/customer-groups/${customerGroupId}`)
+fetch(`<SERVER_URL>/admin/customer-groups/${customerGroupId}`, {
+  credentials: 'include',
+})
 .then((response) => response.json())
 .then(({ customer_group }) => {
   console.log(customer_group.id)
@@ -195,6 +200,7 @@ medusa.admin.customerGroups.update(customerGroupId, {
 ```jsx
 fetch(`<SERVER_URL>/admin/customer-groups/${customerGroupId}`, {
   method: 'POST',
+  credentials: 'include',
   headers: {
     'Content-Type': 'application/json'
   },
@@ -250,7 +256,8 @@ medusa.admin.customerGroups.delete(customerGroupId)
 
 ```jsx
 fetch(`<SERVER_URL>/admin/customer-groups/${customerGroupId}`, {
-	method: 'DELETE'
+	method: 'DELETE',
+  credentials: 'include',
 })
 .then((response) => response.json())
 .then(({ id, object, deleted }) => {
@@ -301,6 +308,7 @@ medusa.admin.customerGroups.addCustomers(customerGroupId, {
 ```jsx
 fetch(`<SERVER_URL>/admin/customer-groups/${customerGroupId}/customers/batch`, {
   method: 'POST',
+  credentials: 'include',
   headers: {
     'Content-Type': 'application/json'
   },
@@ -357,7 +365,9 @@ medusa.admin.customerGroups.listCustomers(customerGroupId)
 <TabItem value="fetch" label="Fetch API">
 
 ```jsx
-fetch(`<SERVER_URL>/admin/customer-groups/${customerGroupId}/customers`)
+fetch(`<SERVER_URL>/admin/customer-groups/${customerGroupId}/customers`, {
+  credentials: 'include',
+})
 .then((response) => response.json())
 .then(({ customers, count, offset, limit }) => {
   console.log(customers.length)
@@ -409,6 +419,7 @@ medusa.admin.customerGroups.removeCustomers(customer_group_id, {
 ```jsx
 fetch(`<SERVER_URL>/admin/customer-groups/${customerGroupId}/customers/batch`, {
   method: 'DELETE',
+  credentials: 'include',
   headers: {
     'Content-Type': 'application/json'
   },
diff --git a/docs/content/advanced/backend/batch-jobs/create.md b/docs/content/advanced/backend/batch-jobs/create.md
index 02dc30c9a2..2eb536cc46 100644
--- a/docs/content/advanced/backend/batch-jobs/create.md
+++ b/docs/content/advanced/backend/batch-jobs/create.md
@@ -274,6 +274,7 @@ medusa.admin.batchJobs.create({
 ```jsx
 fetch(`<YOUR_SERVER>/admin/batch-jobs`, {
   method: 'POST',
+  credentials: 'include',
   headers: {
     'Content-Type': 'application/json'
   },
@@ -328,7 +329,9 @@ medusa.admin.batchJobs.retrieve(batchJobId)
 <TabItem value="fetch" label="Fetch API">
 
 ```jsx
-fetch(`<YOUR_SERVER>/admin/batch-jobs/${batchJobId}`)
+fetch(`<YOUR_SERVER>/admin/batch-jobs/${batchJobId}`, {
+  credentials: 'include',
+})
 .then((response) => response.json())
 .then(({ batch_job }) => {
   console.log(batch_job.status, batch_job.result);
@@ -382,7 +385,8 @@ medusa.admin.batchJobs.confirm(batchJobId)
 
 ```jsx
 fetch(`<YOUR_SERVER>/admin/batch-jobs/${batchJobId}/confirm`, {
-  method: 'POST'
+  method: 'POST',
+  credentials: 'include',
 })
 .then((response) => response.json())
 .then(({ batch_job }) => {
diff --git a/docs/content/advanced/backend/price-lists/use-api.mdx b/docs/content/advanced/backend/price-lists/use-api.mdx
index e9a8d439b0..653142ec9a 100644
--- a/docs/content/advanced/backend/price-lists/use-api.mdx
+++ b/docs/content/advanced/backend/price-lists/use-api.mdx
@@ -100,6 +100,7 @@ medusa.admin.priceLists.create({
 ```jsx
 fetch(`<SERVER_URL>/admin/price-lists`, {
   method: 'POST',
+  credentials: 'include',
   headers: {
     'Content-Type': 'application/json'
   },
@@ -186,7 +187,9 @@ medusa.admin.priceLists.retrieve(priceListId)
 <TabItem value="fetch" label="Fetch API">
 
 ```jsx
-fetch(`<SERVER_URL>/admin/price-lists/${priceListId}`)
+fetch(`<SERVER_URL>/admin/price-lists/${priceListId}`, {
+  credentials: 'include',
+})
 .then((response) => response.json())
 .then(({ price_list }) => {
   console.log(price_list.id)
@@ -230,6 +233,7 @@ medusa.admin.priceLists.update(priceListId, {
 ```jsx
 fetch(`<SERVER_URL>/admin/price-lists/${priceListId}`, {
   method: 'POST',
+  credentials: 'include',
   headers: {
     'Content-Type': 'application/json'
   },
@@ -298,6 +302,7 @@ medusa.admin.priceLists.addPrices(priceListId, {
 ```jsx
 fetch(`<SERVER_URL>/admin/price-lists/${priceListId}/prices/batch`, {
   method: 'POST',
+  credentials: 'include',
   headers: {
     'Content-Type': 'application/json'
   },
@@ -361,7 +366,8 @@ medusa.admin.priceLists.deleteProductPrices(priceListId, productId)
 
 ```jsx
 fetch(`<SERVER_URL>/admin/price-lists/${priceListId}/products/${productId}/prices`, {
-  method: 'DELETE'
+  method: 'DELETE',
+  credentials: 'include',
 })
 .then((response) => response.json())
 .then(({ ids, object, deleted }) => {
@@ -401,7 +407,8 @@ medusa.admin.priceLists.deleteVariantPrices(priceListId, variantId)
 
 ```jsx
 fetch(`<SERVER_URL>/admin/price-lists/${priceListId}/variants/${variantId}/prices`, {
-  method: 'DELETE'
+  method: 'DELETE',
+  credentials: 'include',
 })
 .then((response) => response.json())
 .then(({ ids, object, deleted }) => {
@@ -443,7 +450,8 @@ medusa.admin.priceLists.delete(priceListId)
 
 ```jsx
 fetch(`<SERVER_URL>/admin/price-lists/${priceListId}`, {
-  method: 'DELETE'
+  method: 'DELETE',
+  credentials: 'include',
 })
 .then((response) => response.json())
 .then(({ id, object, deleted }) => {
diff --git a/docs/content/advanced/backend/sales-channels/manage-admin.mdx b/docs/content/advanced/backend/sales-channels/manage-admin.mdx
index 7fa62dd578..126e07f26b 100644
--- a/docs/content/advanced/backend/sales-channels/manage-admin.mdx
+++ b/docs/content/advanced/backend/sales-channels/manage-admin.mdx
@@ -71,6 +71,7 @@ medusa.admin.salesChannels.create({
 ```jsx
 fetch(`<SERVER_URL>/admin/sales-channels`, {
   method: 'POST',
+  credentials: 'include',
   headers: {
     'Content-Type': 'application/json'
   },
@@ -125,7 +126,9 @@ medusa.admin.salesChannels.list()
 <TabItem value="fetch" label="Fetch API">
 
 ```jsx
-fetch(`<SERVER_URL>/admin/sales-channels`)
+fetch(`<SERVER_URL>/admin/sales-channels`, {
+  credentials: 'include',
+})
 .then((response) => response.json())
 .then(({ sales_channels, limit, offset, count }) => {
   console.log(sales_channels.length)
@@ -165,7 +168,9 @@ medusa.admin.salesChannels.retrieve(salesChannelId)
 <TabItem value="fetch" label="Fetch API">
 
 ```jsx
-fetch(`<SERVER_URL>/admin/sales-channels/${salesChannelId}`)
+fetch(`<SERVER_URL>/admin/sales-channels/${salesChannelId}`, {
+  credentials: 'include',
+})
 .then((response) => response.json())
 .then(({ sales_channels, limit, offset, count }) => {
   console.log(sales_channels.length)
@@ -209,6 +214,7 @@ medusa.admin.salesChannels.update(salesChannelId, {
 ```jsx
 fetch(`<SERVER_URL>/admin/sales-channels/${salesChannelId}`, {
   method: 'POST',
+  credentials: 'include',
   headers: {
     'Content-Type': 'application/json'
   },
@@ -264,7 +270,8 @@ medusa.admin.salesChannels.delete(salesChannelId)
 
 ```jsx
 fetch(`<SERVER_URL>/admin/sales-channels/${salesChannelId}`, {
-  method: 'DELETE'
+  method: 'DELETE',
+  credentials: 'include',
 })
 .then((response) => response.json())
 .then(({ id, object, deleted }) => {
@@ -315,6 +322,7 @@ medusa.admin.salesChannels.addProducts(salesChannelId, {
 ```jsx
 fetch(`<SERVER_URL>/admin/sales-channels/${salesChannelId}/products/batch`, {
   method: 'POST',
+  credentials: 'include',
   headers: {
     'Content-Type': 'application/json'
   },
@@ -377,7 +385,9 @@ medusa.admin.products.list({
 <TabItem value="fetch" label="Fetch API">
 
 ```jsx
-fetch(`<SERVER_URL>/admin/products?sales_channel_id[0]=${salesChannelId}`)
+fetch(`<SERVER_URL>/admin/products?sales_channel_id[0]=${salesChannelId}`, {
+  credentials: 'include',
+})
 .then((response) => response.json())
 .then(({ products, limit, offset, count }) => {
   console.log(products.length)
@@ -429,6 +439,7 @@ medusa.admin.salesChannels.removeProducts(salesChannelId, {
 ```jsx
 fetch(`<SERVER_URL>/admin/sales-channels/${salesChannelId}/products/batch`, {
   method: 'DELETE',
+  credentials: 'include',
   headers: {
     'Content-Type': 'application/json'
   },
@@ -495,7 +506,9 @@ medusa.admin.orders.list({
 <TabItem value="fetch" label="Fetch API">
 
 ```jsx
-fetch(`<SERVER_URL>/admin/orders?sales_channel_id[0]=${salesChannelId}`)
+fetch(`<SERVER_URL>/admin/orders?sales_channel_id[0]=${salesChannelId}`, {
+  credentials: 'include',
+})
 .then((response) => response.json())
 .then(({ orders, limit, offset, count }) => {
   console.log(orders.length)
diff --git a/docs/content/advanced/storefront/how-to-implement-checkout-flow.mdx b/docs/content/advanced/storefront/how-to-implement-checkout-flow.mdx
index 705b8ce047..7720badbb0 100644
--- a/docs/content/advanced/storefront/how-to-implement-checkout-flow.mdx
+++ b/docs/content/advanced/storefront/how-to-implement-checkout-flow.mdx
@@ -74,6 +74,7 @@ medusa.carts.update(cartId, {
 ```jsx
 fetch(`<SERVER_URL>/store/carts/${cartId}`, {
   method: 'POST',
+  credentials: 'include',
   body: JSON.stringify({
     shipping_address: {
       company,
@@ -125,7 +126,9 @@ medusa.shippingOptions.listCartOptions(cartId)
 <TabItem value="fetch" label="Fetch API">
 
 ```jsx
-fetch(`<SERVER_URL>/store/shipping-options/${cartId}`)
+fetch(`<SERVER_URL>/store/shipping-options/${cartId}`, {
+  credentials: 'include',
+})
 .then((response) => response.json())
 .then(({ shipping_options }) => {
   console.log(shipping_options.length);
@@ -159,6 +162,7 @@ medusa.carts.addShippingMethod(cartId, {
 ```jsx
 fetch(`<SERVER_URL>/store/carts/${cartId}/shipping-methods`, {
   method: 'POST',
+  credentials: 'include',
   body: JSON.stringify({
     option_id: shippingOptionId //the ID of the selected option
   }),
@@ -204,7 +208,8 @@ medusa.carts.createPaymentSessions(cartId)
 
 ```jsx
 fetch(`<SERVER_URL>/store/carts/${cartId}/payment-sessions`, {
-  method: 'POST'
+  method: 'POST',
+  credentials: 'include',
 })
 .then((response) => response.json())
 .then(({ cart }) => {
@@ -239,6 +244,7 @@ medusa.carts.setPaymentSession(cartId, {
 ```jsx
 fetch(`<SERVER_URL>/store/carts/${cartId}/payment-session`, {
   method: 'POST',
+  credentials: 'include',
   body: JSON.stringify({
     provider_id: paymentProviderId // retrieved from the payment session selected by the customer
   }),
@@ -293,6 +299,7 @@ medusa.carts.updatePaymentSession(cartId, paymentProviderId, {
 ```jsx
 fetch(`<SERVER_URL>/store/carts/${cartId}/payment-sessions/${paymentProviderId}`, {
   method: 'POST',
+  credentials: 'include',
   body: JSON.stringify({
     data: {
       //pass any data you want to add in the `data` attribute
@@ -339,6 +346,7 @@ medusa.carts.complete(cartId)
 ```jsx
 fetch(`<SERVER_URL>/store/carts/${cartId}/complete`, {
   method: 'POST',
+  credentials: 'include',
   headers: {
     'Content-Type': 'application/json'
   }
diff --git a/docs/content/guides/carts-in-medusa.mdx b/docs/content/guides/carts-in-medusa.mdx
index 7940271eb2..3edf44438e 100644
--- a/docs/content/guides/carts-in-medusa.mdx
+++ b/docs/content/guides/carts-in-medusa.mdx
@@ -56,7 +56,8 @@ medusa.carts.create()
 
 ```jsx
 fetch(`<SERVER_URL>/store/carts`, {
-  method: 'POST'
+  method: 'POST',
+  credentials: 'include',
 })
 .then((response) => response.json())
 .then(({ cart }) => {
@@ -95,6 +96,7 @@ medusa.carts.create({
 ```jsx
 fetch(`<SERVER_URL>/store/carts`, {
   method: 'POST',
+  credentials: 'include',
   headers: {
     'Content-Type': 'application/json'
   },
@@ -146,7 +148,9 @@ if (id) {
 const id = localStorage.getItem('cart_id');
 
 if (id) {
-  fetch(`<SERVER_URL>/store/carts/${id}`)
+  fetch(`<SERVER_URL>/store/carts/${id}`, {
+    credentials: 'include',
+  })
   .then((response) => response.json())
   .then(({ cart }) => setCart(cart));
 }
@@ -187,6 +191,7 @@ medusa.carts.update(cartId, {
 ```jsx
 fetch(`<SERVER_URL>/store/carts/${cartId}`, {
   method: 'POST',
+  credentials: 'include',
   headers: {
     'Content-Type': 'application/json'
   },
@@ -229,6 +234,7 @@ medusa.carts.update(cartId, {
 ```jsx
 fetch(`<SERVER_URL>/store/carts/${cartId}`, {
   method: 'POST',
+  credentials: 'include',
   headers: {
     'Content-Type': 'application/json'
   },
@@ -267,6 +273,7 @@ medusa.carts.update(cartId, {
 ```jsx
 fetch(`<SERVER_URL>/store/carts/${cartId}`, {
   method: 'POST',
+  credentials: 'include',
   headers: {
     'Content-Type': 'application/json'
   },
@@ -302,6 +309,7 @@ medusa.carts.lineItems.create(cartId, {
 ```jsx
 fetch(`<SERVER_URL>/store/carts/${cartId}/line-items`, {
   method: 'POST',
+  credentials: 'include',
   headers: {
     'Content-Type': 'application/json'
   },
@@ -349,6 +357,7 @@ medusa.carts.lineItems.update(cartId, lineItemId, {
 ```jsx
 fetch(`<SERVER_URL>/store/carts/${cartId}/line-items/${lineItemId}`, {
   method: 'POST',
+  credentials: 'include',
   headers: {
     'Content-Type': 'application/json'
   },
@@ -384,7 +393,8 @@ medusa.carts.lineItems.delete(cartId, lineItemId)
 
 ```jsx
 fetch(`<SERVER_URL>/store/carts/${cartId}/line-items/${lineItemId}`, {
-  method: 'DELETE'
+  method: 'DELETE',
+  credentials: 'include',
 })
 .then((response) => response.json())
 .then(({ cart }) => setCart(cart));