diff --git a/database/factories/SubscriptionFactory.php b/database/factories/SubscriptionFactory.php
index b0d48203..16d367a0 100644
--- a/database/factories/SubscriptionFactory.php
+++ b/database/factories/SubscriptionFactory.php
@@ -31,7 +31,7 @@ public function definition(): array
         return [
             (new $model)->getForeignKey() => ($model)::factory(),
             'type' => 'default',
-            'stripe_id' => 'sub_'.Str::random(40),
+            $this->model::stripeIdColumn() => 'sub_'.Str::random(40),
             'stripe_status' => StripeSubscription::STATUS_ACTIVE,
             'stripe_price' => null,
             'quantity' => null,
diff --git a/database/factories/SubscriptionItemFactory.php b/database/factories/SubscriptionItemFactory.php
index 43d00094..dba6623d 100644
--- a/database/factories/SubscriptionItemFactory.php
+++ b/database/factories/SubscriptionItemFactory.php
@@ -25,7 +25,7 @@ public function definition(): array
     {
         return [
             'subscription_id' => Subscription::factory(),
-            'stripe_id' => 'si_'.Str::random(40),
+            $this->model::stripeIdColumn() => 'si_'.Str::random(40),
             'stripe_product' => 'prod_'.Str::random(40),
             'stripe_price' => 'price_'.Str::random(40),
             'quantity' => null,
diff --git a/src/Billable.php b/src/Billable.php
index f257fe4e..7b6c1568 100644
--- a/src/Billable.php
+++ b/src/Billable.php
@@ -3,6 +3,7 @@
 namespace Laravel\Cashier;
 
 use Laravel\Cashier\Concerns\HandlesTaxes;
+use Laravel\Cashier\Concerns\HasStripeId;
 use Laravel\Cashier\Concerns\ManagesCustomer;
 use Laravel\Cashier\Concerns\ManagesInvoices;
 use Laravel\Cashier\Concerns\ManagesPaymentMethods;
@@ -12,6 +13,7 @@
 trait Billable
 {
     use HandlesTaxes;
+    use HasStripeId;
     use ManagesCustomer;
     use ManagesInvoices;
     use ManagesPaymentMethods;
diff --git a/src/Cashier.php b/src/Cashier.php
index b9320e3c..e52da313 100644
--- a/src/Cashier.php
+++ b/src/Cashier.php
@@ -107,7 +107,7 @@ public static function findBillable($stripeId)
             ? $model::withTrashed()
             : new $model;
 
-        return $stripeId ? $builder->where('stripe_id', $stripeId)->first() : null;
+        return $stripeId ? $builder->where($model::stripeIdColumn(), $stripeId)->first() : null;
     }
 
     /**
diff --git a/src/Concerns/HasStripeId.php b/src/Concerns/HasStripeId.php
new file mode 100644
index 00000000..e7d9035c
--- /dev/null
+++ b/src/Concerns/HasStripeId.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Laravel\Cashier\Concerns;
+
+trait HasStripeId
+{
+    /**
+     * Get the name of the model's "stripe_id" column.
+     *
+     * @return string
+     */
+    public static function stripeIdColumn()
+    {
+        return 'stripe_id';
+    }
+
+    /**
+     * Get the Stripe ID for the model.
+     *
+     * @return null|string
+     */
+    public function stripeId()
+    {
+        return $this->{static::stripeIdColumn()};
+    }
+}
diff --git a/src/Concerns/ManagesCustomer.php b/src/Concerns/ManagesCustomer.php
index c1122439..37df9b84 100644
--- a/src/Concerns/ManagesCustomer.php
+++ b/src/Concerns/ManagesCustomer.php
@@ -15,16 +15,6 @@
 
 trait ManagesCustomer
 {
-    /**
-     * Retrieve the Stripe customer ID.
-     *
-     * @return string|null
-     */
-    public function stripeId()
-    {
-        return $this->stripe_id;
-    }
-
     /**
      * Determine if the customer has a Stripe customer ID.
      *
@@ -32,7 +22,7 @@ public function stripeId()
      */
     public function hasStripeId()
     {
-        return ! is_null($this->stripe_id);
+        return ! is_null($this->stripeId());
     }
 
     /**
@@ -92,7 +82,7 @@ public function createAsStripeCustomer(array $options = [])
         // and allow us to retrieve users from Stripe later when we need to work.
         $customer = static::stripe()->customers->create($options);
 
-        $this->stripe_id = $customer->id;
+        $this->{$this::stripeIdColumn()} = $customer->id;
 
         $this->save();
 
@@ -108,7 +98,7 @@ public function createAsStripeCustomer(array $options = [])
     public function updateStripeCustomer(array $options = [])
     {
         return static::stripe()->customers->update(
-            $this->stripe_id, $options
+            $this->stripeId(), $options
         );
     }
 
@@ -138,7 +128,7 @@ public function asStripeCustomer(array $expand = [])
         $this->assertCustomerExists();
 
         return static::stripe()->customers->retrieve(
-            $this->stripe_id, ['expand' => $expand]
+            $this->stripeId(), ['expand' => $expand]
         );
     }
 
@@ -344,7 +334,7 @@ public function balanceTransactions($limit = 10, array $options = [])
 
         $transactions = static::stripe()
             ->customers
-            ->allBalanceTransactions($this->stripe_id, array_merge(['limit' => $limit], $options));
+            ->allBalanceTransactions($this->stripeId(), array_merge(['limit' => $limit], $options));
 
         return Collection::make($transactions->data)->map(function ($transaction) {
             return new CustomerBalanceTransaction($this, $transaction);
@@ -391,7 +381,7 @@ public function applyBalance($amount, $description = null, array $options = [])
 
         $transaction = static::stripe()
             ->customers
-            ->createBalanceTransaction($this->stripe_id, array_filter(array_merge([
+            ->createBalanceTransaction($this->stripeId(), array_filter(array_merge([
                 'amount' => $amount,
                 'currency' => $this->preferredCurrency(),
                 'description' => $description,
@@ -462,7 +452,7 @@ public function taxIds(array $options = [])
         $this->assertCustomerExists();
 
         return new Collection(
-            static::stripe()->customers->allTaxIds($this->stripe_id, $options)->data
+            static::stripe()->customers->allTaxIds($this->stripeId(), $options)->data
         );
     }
 
@@ -477,7 +467,7 @@ public function findTaxId($id)
 
         try {
             return static::stripe()->customers->retrieveTaxId(
-                $this->stripe_id, $id, []
+                $this->stripeId(), $id, []
             );
         } catch (StripeInvalidRequestException $exception) {
             //
@@ -495,7 +485,7 @@ public function createTaxId($type, $value)
     {
         $this->assertCustomerExists();
 
-        return static::stripe()->customers->createTaxId($this->stripe_id, [
+        return static::stripe()->customers->createTaxId($this->stripeId(), [
             'type' => $type,
             'value' => $value,
         ]);
@@ -512,7 +502,7 @@ public function deleteTaxId($id)
         $this->assertCustomerExists();
 
         try {
-            static::stripe()->customers->deleteTaxId($this->stripe_id, $id);
+            static::stripe()->customers->deleteTaxId($this->stripeId(), $id);
         } catch (StripeInvalidRequestException $exception) {
             //
         }
diff --git a/src/Concerns/ManagesInvoices.php b/src/Concerns/ManagesInvoices.php
index 22162ddb..374066a5 100644
--- a/src/Concerns/ManagesInvoices.php
+++ b/src/Concerns/ManagesInvoices.php
@@ -35,7 +35,7 @@ public function tab($description, $amount, array $options = [])
         $this->assertCustomerExists();
 
         $options = array_merge([
-            'customer' => $this->stripe_id,
+            'customer' => $this->stripeId(),
             'currency' => $this->preferredCurrency(),
             'description' => $description,
         ], $options);
@@ -85,7 +85,7 @@ public function tabPrice($price, $quantity = 1, array $options = [])
         $this->assertCustomerExists();
 
         $options = array_merge([
-            'customer' => $this->stripe_id,
+            'customer' => $this->stripeId(),
             'price' => $price,
             'quantity' => $quantity,
         ], $options);
@@ -164,7 +164,7 @@ public function createInvoice(array $options = [])
 
         $parameters = array_merge([
             'automatic_tax' => $this->automaticTaxPayload(),
-            'customer' => $this->stripe_id,
+            'customer' => $this->stripeId(),
             'currency' => $stripeCustomer->currency ?? config('cashier.currency'),
         ], $options);
 
@@ -195,7 +195,7 @@ public function upcomingInvoice(array $options = [])
 
         $parameters = array_merge([
             'automatic_tax' => $this->automaticTaxPayload(),
-            'customer' => $this->stripe_id,
+            'customer' => $this->stripeId(),
         ], $options);
 
         try {
@@ -283,7 +283,7 @@ public function invoices($includePending = false, $parameters = [])
         $parameters = array_merge(['limit' => 24], $parameters);
 
         $stripeInvoices = static::stripe()->invoices->all(
-            ['customer' => $this->stripe_id] + $parameters
+            ['customer' => $this->stripeId()] + $parameters
         );
 
         // Here we will loop through the Stripe invoices and create our own custom Invoice
diff --git a/src/Concerns/ManagesPaymentMethods.php b/src/Concerns/ManagesPaymentMethods.php
index 85bb4ae4..44377dde 100644
--- a/src/Concerns/ManagesPaymentMethods.php
+++ b/src/Concerns/ManagesPaymentMethods.php
@@ -20,7 +20,7 @@ trait ManagesPaymentMethods
     public function createSetupIntent(array $options = [])
     {
         if ($this->hasStripeId()) {
-            $options['customer'] = $this->stripe_id;
+            $options['customer'] = $this->stripeId();
         }
 
         return static::stripe()->setupIntents->create($options);
@@ -77,7 +77,7 @@ public function paymentMethods($type = null, $parameters = [])
 
         // "type" is temporarily required by Stripe...
         $paymentMethods = static::stripe()->paymentMethods->all(
-            array_filter(['customer' => $this->stripe_id, 'type' => $type]) + $parameters
+            array_filter(['customer' => $this->stripeId(), 'type' => $type]) + $parameters
         );
 
         return Collection::make($paymentMethods->data)->map(function ($paymentMethod) {
@@ -97,9 +97,9 @@ public function addPaymentMethod($paymentMethod)
 
         $stripePaymentMethod = $this->resolveStripePaymentMethod($paymentMethod);
 
-        if ($stripePaymentMethod->customer !== $this->stripe_id) {
+        if ($stripePaymentMethod->customer !== $this->stripeId()) {
             $stripePaymentMethod = $stripePaymentMethod->attach(
-                ['customer' => $this->stripe_id]
+                ['customer' => $this->stripeId()]
             );
         }
 
@@ -118,7 +118,7 @@ public function deletePaymentMethod($paymentMethod)
 
         $stripePaymentMethod = $this->resolveStripePaymentMethod($paymentMethod);
 
-        if ($stripePaymentMethod->customer !== $this->stripe_id) {
+        if ($stripePaymentMethod->customer !== $this->stripeId()) {
             return;
         }
 
diff --git a/src/Concerns/PerformsCharges.php b/src/Concerns/PerformsCharges.php
index dc91c8d8..45e52684 100644
--- a/src/Concerns/PerformsCharges.php
+++ b/src/Concerns/PerformsCharges.php
@@ -86,7 +86,7 @@ public function createPayment($amount, array $options = [])
         $options['amount'] = $amount;
 
         if ($this->hasStripeId()) {
-            $options['customer'] = $this->stripe_id;
+            $options['customer'] = $this->stripeId();
         }
 
         return new Payment(
diff --git a/src/CustomerBalanceTransaction.php b/src/CustomerBalanceTransaction.php
index 9708f43d..7f2521e2 100644
--- a/src/CustomerBalanceTransaction.php
+++ b/src/CustomerBalanceTransaction.php
@@ -32,7 +32,7 @@ class CustomerBalanceTransaction
      */
     public function __construct($owner, StripeCustomerBalanceTransaction $transaction)
     {
-        if ($owner->stripe_id !== $transaction->customer) {
+        if ($owner->stripeId() !== $transaction->customer) {
             throw InvalidCustomerBalanceTransaction::invalidOwner($transaction, $owner);
         }
 
diff --git a/src/Exceptions/CustomerAlreadyCreated.php b/src/Exceptions/CustomerAlreadyCreated.php
index fbe2aedc..ea899660 100644
--- a/src/Exceptions/CustomerAlreadyCreated.php
+++ b/src/Exceptions/CustomerAlreadyCreated.php
@@ -14,6 +14,6 @@ class CustomerAlreadyCreated extends Exception
      */
     public static function exists($owner)
     {
-        return new static(class_basename($owner)." is already a Stripe customer with ID {$owner->stripe_id}.");
+        return new static(class_basename($owner)." is already a Stripe customer with ID {$owner->stripeId()}.");
     }
 }
diff --git a/src/Exceptions/InvalidCustomerBalanceTransaction.php b/src/Exceptions/InvalidCustomerBalanceTransaction.php
index ac274d08..e9c0209e 100644
--- a/src/Exceptions/InvalidCustomerBalanceTransaction.php
+++ b/src/Exceptions/InvalidCustomerBalanceTransaction.php
@@ -16,6 +16,6 @@ class InvalidCustomerBalanceTransaction extends Exception
      */
     public static function invalidOwner(StripeCustomerBalanceTransaction $transaction, $owner)
     {
-        return new static("The transaction `{$transaction->id}` does not belong to customer `$owner->stripe_id`.");
+        return new static("The transaction `{$transaction->id}` does not belong to customer `{$owner->stripeId()}`.");
     }
 }
diff --git a/src/Exceptions/InvalidInvoice.php b/src/Exceptions/InvalidInvoice.php
index 3ef99239..febce991 100644
--- a/src/Exceptions/InvalidInvoice.php
+++ b/src/Exceptions/InvalidInvoice.php
@@ -16,6 +16,6 @@ class InvalidInvoice extends Exception
      */
     public static function invalidOwner(StripeInvoice $invoice, $owner)
     {
-        return new static("The invoice `{$invoice->id}` does not belong to this customer `$owner->stripe_id`.");
+        return new static("The invoice `{$invoice->id}` does not belong to this customer `{$owner->stripeId()}`.");
     }
 }
diff --git a/src/Exceptions/InvalidPaymentMethod.php b/src/Exceptions/InvalidPaymentMethod.php
index f69f25c3..e426fda4 100644
--- a/src/Exceptions/InvalidPaymentMethod.php
+++ b/src/Exceptions/InvalidPaymentMethod.php
@@ -17,7 +17,7 @@ class InvalidPaymentMethod extends Exception
     public static function invalidOwner(StripePaymentMethod $paymentMethod, $owner)
     {
         return new static(
-            "The payment method `{$paymentMethod->id}`'s customer `{$paymentMethod->customer}` does not belong to this customer `$owner->stripe_id`."
+            "The payment method `{$paymentMethod->id}`'s customer `{$paymentMethod->customer}` does not belong to this customer `{$owner->stripeId()}`."
         );
     }
 }
diff --git a/src/Exceptions/SubscriptionUpdateFailure.php b/src/Exceptions/SubscriptionUpdateFailure.php
index 3558cf46..edec016d 100644
--- a/src/Exceptions/SubscriptionUpdateFailure.php
+++ b/src/Exceptions/SubscriptionUpdateFailure.php
@@ -16,7 +16,7 @@ class SubscriptionUpdateFailure extends Exception
     public static function incompleteSubscription(Subscription $subscription)
     {
         return new static(
-            "The subscription \"{$subscription->stripe_id}\" cannot be updated because its payment is incomplete."
+            "The subscription \"{$subscription->stripeId()}\" cannot be updated because its payment is incomplete."
         );
     }
 
@@ -30,7 +30,7 @@ public static function incompleteSubscription(Subscription $subscription)
     public static function duplicatePrice(Subscription $subscription, $price)
     {
         return new static(
-            "The price \"$price\" is already attached to subscription \"{$subscription->stripe_id}\"."
+            "The price \"$price\" is already attached to subscription \"{$subscription->stripeId()}\"."
         );
     }
 
@@ -43,7 +43,7 @@ public static function duplicatePrice(Subscription $subscription, $price)
     public static function cannotDeleteLastPrice(Subscription $subscription)
     {
         return new static(
-            "The price on subscription \"{$subscription->stripe_id}\" cannot be removed because it is the last one."
+            "The price on subscription \"{$subscription->stripeId()}\" cannot be removed because it is the last one."
         );
     }
 }
diff --git a/src/Http/Controllers/WebhookController.php b/src/Http/Controllers/WebhookController.php
index d9ec9d76..78cc68f1 100644
--- a/src/Http/Controllers/WebhookController.php
+++ b/src/Http/Controllers/WebhookController.php
@@ -70,7 +70,7 @@ protected function handleCustomerSubscriptionCreated(array $payload)
         if ($user) {
             $data = $payload['data']['object'];
 
-            if (! $user->subscriptions->contains('stripe_id', $data['id'])) {
+            if (! $user->subscriptions->contains(Cashier::$subscriptionModel::stripeIdColumn(), $data['id'])) {
                 if (isset($data['trial_end'])) {
                     $trialEndsAt = Carbon::createFromTimestamp($data['trial_end']);
                 } else {
@@ -82,7 +82,7 @@ protected function handleCustomerSubscriptionCreated(array $payload)
 
                 $subscription = $user->subscriptions()->create([
                     'type' => $data['metadata']['type'] ?? $data['metadata']['name'] ?? $this->newSubscriptionType($payload),
-                    'stripe_id' => $data['id'],
+                    Cashier::$subscriptionModel::stripeIdColumn() => $data['id'],
                     'stripe_status' => $data['status'],
                     'stripe_price' => $isSinglePrice ? $firstItem['price']['id'] : null,
                     'quantity' => $isSinglePrice && isset($firstItem['quantity']) ? $firstItem['quantity'] : null,
@@ -92,7 +92,7 @@ protected function handleCustomerSubscriptionCreated(array $payload)
 
                 foreach ($data['items']['data'] as $item) {
                     $subscription->items()->create([
-                        'stripe_id' => $item['id'],
+                        Cashier::$subscriptionItemModel::stripeIdColumn() => $item['id'],
                         'stripe_product' => $item['price']['product'],
                         'stripe_price' => $item['price']['id'],
                         'quantity' => $item['quantity'] ?? null,
@@ -131,7 +131,7 @@ protected function handleCustomerSubscriptionUpdated(array $payload)
         if ($user = $this->getUserByStripeId($payload['data']['object']['customer'])) {
             $data = $payload['data']['object'];
 
-            $subscription = $user->subscriptions()->firstOrNew(['stripe_id' => $data['id']]);
+            $subscription = $user->subscriptions()->firstOrNew([Cashier::$subscriptionModel::stripeIdColumn() => $data['id']]);
 
             if (
                 isset($data['status']) &&
@@ -189,7 +189,7 @@ protected function handleCustomerSubscriptionUpdated(array $payload)
                     $subscriptionItemIds[] = $item['id'];
 
                     $subscription->items()->updateOrCreate([
-                        'stripe_id' => $item['id'],
+                        Cashier::$subscriptionItemModel::stripeIdColumn() => $item['id'],
                     ], [
                         'stripe_product' => $item['price']['product'],
                         'stripe_price' => $item['price']['id'],
@@ -198,7 +198,7 @@ protected function handleCustomerSubscriptionUpdated(array $payload)
                 }
 
                 // Delete items that aren't attached to the subscription anymore...
-                $subscription->items()->whereNotIn('stripe_id', $subscriptionItemIds)->delete();
+                $subscription->items()->whereNotIn(Cashier::$subscriptionItemModel::stripeIdColumn(), $subscriptionItemIds)->delete();
             }
         }
 
@@ -215,7 +215,7 @@ protected function handleCustomerSubscriptionDeleted(array $payload)
     {
         if ($user = $this->getUserByStripeId($payload['data']['object']['customer'])) {
             $user->subscriptions->filter(function ($subscription) use ($payload) {
-                return $subscription->stripe_id === $payload['data']['object']['id'];
+                return $subscription->stripeId() === $payload['data']['object']['id'];
             })->each(function ($subscription) {
                 $subscription->skipTrial()->markAsCanceled();
             });
@@ -253,7 +253,7 @@ protected function handleCustomerDeleted(array $payload)
             });
 
             $user->forceFill([
-                'stripe_id' => null,
+                $user::stripeIdColumn() => null,
                 'trial_ends_at' => null,
                 'pm_type' => null,
                 'pm_last_four' => null,
diff --git a/src/Invoice.php b/src/Invoice.php
index 204fcab8..b551ddad 100644
--- a/src/Invoice.php
+++ b/src/Invoice.php
@@ -78,7 +78,7 @@ class Invoice implements Arrayable, Jsonable, JsonSerializable
      */
     public function __construct($owner, StripeInvoice $invoice, array $refreshData = [])
     {
-        if ($owner->stripe_id !== $invoice->customer) {
+        if ($owner->stripeId() !== $invoice->customer) {
             throw InvalidInvoice::invalidOwner($invoice, $owner);
         }
 
@@ -590,7 +590,7 @@ protected function refreshWithExpandedData()
         } else {
             // If no invoice ID is present then assume this is the customer's upcoming invoice...
             $this->invoice = $this->owner->stripe()->invoices->upcoming(array_merge($this->refreshData, [
-                'customer' => $this->owner->stripe_id,
+                'customer' => $this->owner->stripeId(),
                 'expand' => $expand,
             ]));
         }
diff --git a/src/PaymentMethod.php b/src/PaymentMethod.php
index 7b2ca488..52b7df55 100644
--- a/src/PaymentMethod.php
+++ b/src/PaymentMethod.php
@@ -40,7 +40,7 @@ public function __construct($owner, StripePaymentMethod $paymentMethod)
             throw new LogicException('The payment method is not attached to a customer.');
         }
 
-        if ($owner->stripe_id !== $paymentMethod->customer) {
+        if ($owner->stripeId() !== $paymentMethod->customer) {
             throw InvalidPaymentMethod::invalidOwner($paymentMethod, $owner);
         }
 
diff --git a/src/Subscription.php b/src/Subscription.php
index f18be08e..70665afc 100644
--- a/src/Subscription.php
+++ b/src/Subscription.php
@@ -11,6 +11,7 @@
 use InvalidArgumentException;
 use Laravel\Cashier\Concerns\AllowsCoupons;
 use Laravel\Cashier\Concerns\HandlesPaymentFailures;
+use Laravel\Cashier\Concerns\HasStripeId;
 use Laravel\Cashier\Concerns\InteractsWithPaymentBehavior;
 use Laravel\Cashier\Concerns\Prorates;
 use Laravel\Cashier\Database\Factories\SubscriptionFactory;
@@ -27,6 +28,7 @@ class Subscription extends Model
     use AllowsCoupons;
     use HandlesPaymentFailures;
     use HasFactory;
+    use HasStripeId;
     use InteractsWithPaymentBehavior;
     use Prorates;
 
@@ -694,7 +696,7 @@ public function swap($prices, array $options = [])
         );
 
         $stripeSubscription = $this->owner->stripe()->subscriptions->update(
-            $this->stripe_id, $this->getSwapOptions($items, $options)
+            $this->stripeId(), $this->getSwapOptions($items, $options)
         );
 
         /** @var \Stripe\SubscriptionItem $firstItem */
@@ -714,7 +716,7 @@ public function swap($prices, array $options = [])
             $subscriptionItemIds[] = $item->id;
 
             $this->items()->updateOrCreate([
-                'stripe_id' => $item->id,
+                Cashier::$subscriptionItemModel::stripeIdColumn() => $item->id,
             ], [
                 'stripe_product' => $item->price->product,
                 'stripe_price' => $item->price->id,
@@ -723,7 +725,7 @@ public function swap($prices, array $options = [])
         }
 
         // Delete items that aren't attached to the subscription anymore...
-        $this->items()->whereNotIn('stripe_id', $subscriptionItemIds)->delete();
+        $this->items()->whereNotIn(Cashier::$subscriptionItemModel::stripeIdColumn(), $subscriptionItemIds)->delete();
 
         $this->unsetRelation('items');
 
@@ -860,7 +862,7 @@ public function addPrice($price, $quantity = 1, array $options = [])
 
         $stripeSubscriptionItem = $this->owner->stripe()->subscriptionItems
             ->create(array_filter(array_merge([
-                'subscription' => $this->stripe_id,
+                'subscription' => $this->stripeId(),
                 'price' => $price,
                 'quantity' => $quantity,
                 'tax_rates' => $this->getPriceTaxRatesForPayload($price),
@@ -869,7 +871,7 @@ public function addPrice($price, $quantity = 1, array $options = [])
             ], $options)));
 
         $this->items()->create([
-            'stripe_id' => $stripeSubscriptionItem->id,
+            Cashier::$subscriptionItemModel::stripeIdColumn() => $stripeSubscriptionItem->id,
             'stripe_product' => $stripeSubscriptionItem->price->product,
             'stripe_price' => $stripeSubscriptionItem->price->id,
             'quantity' => $stripeSubscriptionItem->quantity ?? null,
@@ -1041,7 +1043,7 @@ public function cancelAt($endsAt)
      */
     public function cancelNow()
     {
-        $this->owner->stripe()->subscriptions->cancel($this->stripe_id, [
+        $this->owner->stripe()->subscriptions->cancel($this->stripeId(), [
             'prorate' => $this->prorateBehavior() === 'create_prorations',
         ]);
 
@@ -1057,7 +1059,7 @@ public function cancelNow()
      */
     public function cancelNowAndInvoice()
     {
-        $this->owner->stripe()->subscriptions->cancel($this->stripe_id, [
+        $this->owner->stripe()->subscriptions->cancel($this->stripeId(), [
             'invoice_now' => true,
             'prorate' => $this->prorateBehavior() === 'create_prorations',
         ]);
@@ -1132,7 +1134,7 @@ public function pending()
     public function invoice(array $options = [])
     {
         try {
-            return $this->user->invoice(array_merge($options, ['subscription' => $this->stripe_id]));
+            return $this->user->invoice(array_merge($options, ['subscription' => $this->stripeId()]));
         } catch (IncompletePayment $exception) {
             // Set the new Stripe subscription status immediately when payment fails...
             $this->fill([
@@ -1170,7 +1172,7 @@ public function upcomingInvoice(array $options = [])
         }
 
         return $this->owner->upcomingInvoice(array_merge([
-            'subscription' => $this->stripe_id,
+            'subscription' => $this->stripeId(),
         ], $options));
     }
 
@@ -1220,7 +1222,7 @@ public function previewInvoice($prices, array $options = [])
     public function invoices($includePending = false, $parameters = [])
     {
         return $this->owner->invoices(
-            $includePending, array_merge($parameters, ['subscription' => $this->stripe_id])
+            $includePending, array_merge($parameters, ['subscription' => $this->stripeId()])
         );
     }
 
@@ -1373,7 +1375,7 @@ public function guardAgainstMultiplePrices()
     public function updateStripeSubscription(array $options = [])
     {
         return $this->owner->stripe()->subscriptions->update(
-            $this->stripe_id, $options
+            $this->stripeId(), $options
         );
     }
 
@@ -1386,7 +1388,7 @@ public function updateStripeSubscription(array $options = [])
     public function asStripeSubscription(array $expand = [])
     {
         return $this->owner->stripe()->subscriptions->retrieve(
-            $this->stripe_id, ['expand' => $expand]
+            $this->stripeId(), ['expand' => $expand]
         );
     }
 
diff --git a/src/SubscriptionBuilder.php b/src/SubscriptionBuilder.php
index 1448c11e..bce1695b 100644
--- a/src/SubscriptionBuilder.php
+++ b/src/SubscriptionBuilder.php
@@ -294,7 +294,7 @@ public function createAndSendInvoice(array $customerOptions = [], array $subscri
      */
     protected function createSubscription(StripeSubscription $stripeSubscription)
     {
-        if ($subscription = $this->owner->subscriptions()->where('stripe_id', $stripeSubscription->id)->first()) {
+        if ($subscription = $this->owner->subscriptions()->where(Cashier::$subscriptionModel::stripeIdColumn(), $stripeSubscription->id)->first()) {
             return $subscription;
         }
 
@@ -305,7 +305,7 @@ protected function createSubscription(StripeSubscription $stripeSubscription)
         /** @var \Laravel\Cashier\Subscription $subscription */
         $subscription = $this->owner->subscriptions()->create([
             'type' => $this->type,
-            'stripe_id' => $stripeSubscription->id,
+            Cashier::$subscriptionModel::stripeIdColumn() => $stripeSubscription->id,
             'stripe_status' => $stripeSubscription->status,
             'stripe_price' => $isSinglePrice ? $firstItem->price->id : null,
             'quantity' => $isSinglePrice ? ($firstItem->quantity ?? null) : null,
@@ -316,7 +316,7 @@ protected function createSubscription(StripeSubscription $stripeSubscription)
         /** @var \Stripe\SubscriptionItem $item */
         foreach ($stripeSubscription->items as $item) {
             $subscription->items()->create([
-                'stripe_id' => $item->id,
+                Cashier::$subscriptionItemModel::stripeIdColumn() => $item->id,
                 'stripe_product' => $item->price->product,
                 'stripe_price' => $item->price->id,
                 'quantity' => $item->quantity ?? null,
diff --git a/src/SubscriptionItem.php b/src/SubscriptionItem.php
index 4494c265..adbc4cd6 100644
--- a/src/SubscriptionItem.php
+++ b/src/SubscriptionItem.php
@@ -7,6 +7,7 @@
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Support\Collection;
 use Laravel\Cashier\Concerns\HandlesPaymentFailures;
+use Laravel\Cashier\Concerns\HasStripeId;
 use Laravel\Cashier\Concerns\InteractsWithPaymentBehavior;
 use Laravel\Cashier\Concerns\Prorates;
 use Laravel\Cashier\Database\Factories\SubscriptionItemFactory;
@@ -18,6 +19,7 @@ class SubscriptionItem extends Model
 {
     use HandlesPaymentFailures;
     use HasFactory;
+    use HasStripeId;
     use InteractsWithPaymentBehavior;
     use Prorates;
 
@@ -213,7 +215,7 @@ public function reportUsage($quantity = 1, $timestamp = null)
     {
         $timestamp = $timestamp instanceof DateTimeInterface ? $timestamp->getTimestamp() : $timestamp;
 
-        return $this->subscription->owner->stripe()->subscriptionItems->createUsageRecord($this->stripe_id, [
+        return $this->subscription->owner->stripe()->subscriptionItems->createUsageRecord($this->stripeId(), [
             'quantity' => $quantity,
             'action' => $timestamp ? 'set' : 'increment',
             'timestamp' => $timestamp ?? time(),
@@ -229,7 +231,7 @@ public function reportUsage($quantity = 1, $timestamp = null)
     public function usageRecords($options = [])
     {
         return new Collection($this->subscription->owner->stripe()->subscriptionItems->allUsageRecordSummaries(
-            $this->stripe_id, $options
+            $this->stripeId(), $options
         )->data);
     }
 
@@ -242,7 +244,7 @@ public function usageRecords($options = [])
     public function updateStripeSubscriptionItem(array $options = [])
     {
         return $this->subscription->owner->stripe()->subscriptionItems->update(
-            $this->stripe_id, $options
+            $this->stripeId(), $options
         );
     }
 
@@ -255,7 +257,7 @@ public function updateStripeSubscriptionItem(array $options = [])
     public function asStripeSubscriptionItem(array $expand = [])
     {
         return $this->subscription->owner->stripe()->subscriptionItems->retrieve(
-            $this->stripe_id, ['expand' => $expand]
+            $this->stripeId(), ['expand' => $expand]
         );
     }
 
diff --git a/tests/Feature/ChargesTest.php b/tests/Feature/ChargesTest.php
index 8fb03d80..558a596a 100644
--- a/tests/Feature/ChargesTest.php
+++ b/tests/Feature/ChargesTest.php
@@ -18,7 +18,7 @@ public function test_customer_can_be_charged()
 
         $this->assertInstanceOf(Payment::class, $response);
         $this->assertEquals(1000, $response->rawAmount());
-        $this->assertEquals($user->stripe_id, $response->customer);
+        $this->assertEquals($user->stripeId(), $response->customer);
     }
 
     public function test_non_stripe_customer_can_be_charged()
@@ -43,7 +43,7 @@ public function test_customer_can_pay()
 
         $this->assertInstanceOf(Payment::class, $response);
         $this->assertEquals(1000, $response->rawAmount());
-        $this->assertEquals($user->stripe_id, $response->customer);
+        $this->assertEquals($user->stripeId(), $response->customer);
         $this->assertTrue($response->requiresPaymentMethod());
         $this->assertTrue($response->automatic_payment_methods->enabled);
 
diff --git a/tests/Feature/InvoicesTest.php b/tests/Feature/InvoicesTest.php
index bc89d00e..88f848e8 100644
--- a/tests/Feature/InvoicesTest.php
+++ b/tests/Feature/InvoicesTest.php
@@ -113,7 +113,7 @@ public function test_it_throws_an_exception_if_the_invoice_does_not_belong_to_th
 
         $this->expectException(InvalidInvoice::class);
         $this->expectExceptionMessage(
-            "The invoice `{$invoice->id}` does not belong to this customer `$otherUser->stripe_id`."
+            "The invoice `{$invoice->id}` does not belong to this customer `{$otherUser->stripeId()}`."
         );
 
         $otherUser->findInvoice($invoice->id);
diff --git a/tests/Feature/SubscriptionsTest.php b/tests/Feature/SubscriptionsTest.php
index 946829d8..86ccddd3 100644
--- a/tests/Feature/SubscriptionsTest.php
+++ b/tests/Feature/SubscriptionsTest.php
@@ -117,7 +117,7 @@ public function test_subscriptions_can_be_created()
             ->create('pm_card_visa');
 
         $this->assertEquals(1, count($user->subscriptions));
-        $this->assertNotNull(($subscription = $user->subscription('main'))->stripe_id);
+        $this->assertNotNull(($subscription = $user->subscription('main'))->stripeId());
         $this->assertSame($metadata, $subscription->asStripeSubscription()->metadata->toArray());
 
         $this->assertTrue($user->subscribed('main'));
diff --git a/tests/Feature/WebhooksTest.php b/tests/Feature/WebhooksTest.php
index 4d5fefaa..dfb0b99f 100644
--- a/tests/Feature/WebhooksTest.php
+++ b/tests/Feature/WebhooksTest.php
@@ -110,7 +110,7 @@ public function test_subscriptions_are_updated()
             'type' => 'customer.subscription.updated',
             'data' => [
                 'object' => [
-                    'id' => $subscription->stripe_id,
+                    'id' => $subscription->stripeId(),
                     'customer' => 'cus_foo',
                     'cancel_at_period_end' => false,
                     'items' => [
@@ -168,7 +168,7 @@ public function test_subscriptions_on_update_cancel_at_date_is_correct()
             'type' => 'customer.subscription.updated',
             'data' => [
                 'object' => [
-                    'id' => $subscription->stripe_id,
+                    'id' => $subscription->stripeId(),
                     'customer' => 'cus_foo',
                     'cancel_at' => $cancelDate->timestamp,
                     'cancel_at_period_end' => false,
@@ -216,12 +216,12 @@ public function test_canceled_subscription_is_properly_reactivated()
             'type' => 'customer.subscription.updated',
             'data' => [
                 'object' => [
-                    'id' => $subscription->stripe_id,
-                    'customer' => $user->stripe_id,
+                    'id' => $subscription->stripeId(),
+                    'customer' => $user->stripeId(),
                     'cancel_at_period_end' => false,
                     'items' => [
                         'data' => [[
-                            'id' => $subscription->items()->first()->stripe_id,
+                            'id' => $subscription->items()->first()->stripeId(),
                             'price' => ['id' => static::$priceId, 'product' => static::$productId],
                             'quantity' => 1,
                         ]],
@@ -245,8 +245,8 @@ public function test_subscription_is_marked_as_canceled_when_deleted_in_stripe()
             'type' => 'customer.subscription.deleted',
             'data' => [
                 'object' => [
-                    'id' => $subscription->stripe_id,
-                    'customer' => $user->stripe_id,
+                    'id' => $subscription->stripeId(),
+                    'customer' => $user->stripeId(),
                     'quantity' => 1,
                 ],
             ],
@@ -267,8 +267,8 @@ public function test_subscription_is_deleted_when_status_is_incomplete_expired()
             'type' => 'customer.subscription.updated',
             'data' => [
                 'object' => [
-                    'id' => $subscription->stripe_id,
-                    'customer' => $user->stripe_id,
+                    'id' => $subscription->stripeId(),
+                    'customer' => $user->stripeId(),
                     'status' => StripeSubscription::STATUS_INCOMPLETE_EXPIRED,
                     'quantity' => 1,
                 ],
@@ -295,7 +295,7 @@ public function test_payment_action_required_email_is_sent()
                 'data' => [
                     'object' => [
                         'id' => 'foo',
-                        'customer' => $user->stripe_id,
+                        'customer' => $user->stripeId(),
                         'payment_intent' => $exception->payment->id,
                     ],
                 ],
diff --git a/tests/Unit/CustomerTest.php b/tests/Unit/CustomerTest.php
index eb60f3ff..243b8707 100644
--- a/tests/Unit/CustomerTest.php
+++ b/tests/Unit/CustomerTest.php
@@ -67,7 +67,7 @@ public function test_stripe_customer_method_throws_exception_when_stripe_id_is_n
     public function test_stripe_customer_cannot_be_created_when_stripe_id_is_already_set()
     {
         $user = new User();
-        $user->stripe_id = 'foo';
+        $user->{$user::stripeIdColumn()} = 'foo';
 
         $this->expectException(CustomerAlreadyCreated::class);
 
diff --git a/tests/Unit/InvoiceLineItemTest.php b/tests/Unit/InvoiceLineItemTest.php
index 7f78fd01..c5dfbce6 100644
--- a/tests/Unit/InvoiceLineItemTest.php
+++ b/tests/Unit/InvoiceLineItemTest.php
@@ -18,7 +18,7 @@ class InvoiceLineItemTest extends TestCase
     public function test_we_can_calculate_the_inclusive_tax_percentage()
     {
         $customer = new User();
-        $customer->stripe_id = 'foo';
+        $customer->{$customer::stripeIdColumn()} = 'foo';
 
         $stripeInvoice = new StripeInvoice();
         $stripeInvoice->customer_tax_exempt = StripeCustomer::TAX_EXEMPT_NONE;
@@ -43,7 +43,7 @@ public function test_we_can_calculate_the_inclusive_tax_percentage()
     public function test_we_can_calculate_the_exclusive_tax_percentage()
     {
         $customer = new User();
-        $customer->stripe_id = 'foo';
+        $customer->{$customer::stripeIdColumn()} = 'foo';
 
         $stripeInvoice = new StripeInvoice();
         $stripeInvoice->customer_tax_exempt = StripeCustomer::TAX_EXEMPT_NONE;
diff --git a/tests/Unit/InvoiceTest.php b/tests/Unit/InvoiceTest.php
index a40f747d..953327c9 100644
--- a/tests/Unit/InvoiceTest.php
+++ b/tests/Unit/InvoiceTest.php
@@ -30,7 +30,7 @@ public function test_it_can_return_the_invoice_date()
         $stripeInvoice->created = 1560541724;
 
         $user = new User();
-        $user->stripe_id = 'foo';
+        $user->{$user::stripeIdColumn()} = 'foo';
 
         $invoice = new Invoice($user, $stripeInvoice);
 
@@ -47,7 +47,7 @@ public function test_it_can_return_the_invoice_date_with_a_timezone()
         $stripeInvoice->created = 1560541724;
 
         $user = new User();
-        $user->stripe_id = 'foo';
+        $user->{$user::stripeIdColumn()} = 'foo';
 
         $invoice = new Invoice($user, $stripeInvoice);
 
@@ -65,7 +65,7 @@ public function test_it_can_return_its_total()
         $stripeInvoice->currency = 'USD';
 
         $user = new User();
-        $user->stripe_id = 'foo';
+        $user->{$user::stripeIdColumn()} = 'foo';
 
         $invoice = new Invoice($user, $stripeInvoice);
 
@@ -82,7 +82,7 @@ public function test_it_can_return_its_raw_total()
         $stripeInvoice->currency = 'USD';
 
         $user = new User();
-        $user->stripe_id = 'foo';
+        $user->{$user::stripeIdColumn()} = 'foo';
 
         $invoice = new Invoice($user, $stripeInvoice);
 
@@ -100,7 +100,7 @@ public function test_it_returns_a_lower_total_when_there_was_a_starting_balance(
         $stripeInvoice->starting_balance = -450;
 
         $user = new User();
-        $user->stripe_id = 'foo';
+        $user->{$user::stripeIdColumn()} = 'foo';
 
         $invoice = new Invoice($user, $stripeInvoice);
 
@@ -117,7 +117,7 @@ public function test_it_can_return_its_subtotal()
         $stripeInvoice->currency = 'USD';
 
         $user = new User();
-        $user->stripe_id = 'foo';
+        $user->{$user::stripeIdColumn()} = 'foo';
 
         $invoice = new Invoice($user, $stripeInvoice);
 
@@ -133,7 +133,7 @@ public function test_it_can_determine_when_the_customer_has_a_starting_balance()
         $stripeInvoice->starting_balance = -450;
 
         $user = new User();
-        $user->stripe_id = 'foo';
+        $user->{$user::stripeIdColumn()} = 'foo';
 
         $invoice = new Invoice($user, $stripeInvoice);
 
@@ -147,7 +147,7 @@ public function test_it_can_determine_when_the_customer_does_not_have_a_starting
         $stripeInvoice->starting_balance = 0;
 
         $user = new User();
-        $user->stripe_id = 'foo';
+        $user->{$user::stripeIdColumn()} = 'foo';
 
         $invoice = new Invoice($user, $stripeInvoice);
 
@@ -162,7 +162,7 @@ public function test_it_can_return_its_starting_balance()
         $stripeInvoice->currency = 'USD';
 
         $user = new User();
-        $user->stripe_id = 'foo';
+        $user->{$user::stripeIdColumn()} = 'foo';
 
         $invoice = new Invoice($user, $stripeInvoice);
 
@@ -178,7 +178,7 @@ public function test_it_can_return_its_ending_balance()
         $stripeInvoice->currency = 'USD';
 
         $user = new User();
-        $user->stripe_id = 'foo';
+        $user->{$user::stripeIdColumn()} = 'foo';
 
         $invoice = new Invoice($user, $stripeInvoice);
 
@@ -195,7 +195,7 @@ public function test_it_can_return_its_applied_balance()
         $stripeInvoice->currency = 'USD';
 
         $user = new User();
-        $user->stripe_id = 'foo';
+        $user->{$user::stripeIdColumn()} = 'foo';
 
         $invoice = new Invoice($user, $stripeInvoice);
 
@@ -213,7 +213,7 @@ public function test_it_can_return_its_applied_balance_when_depleted()
         $stripeInvoice->currency = 'USD';
 
         $user = new User();
-        $user->stripe_id = 'foo';
+        $user->{$user::stripeIdColumn()} = 'foo';
 
         $invoice = new Invoice($user, $stripeInvoice);
 
@@ -238,7 +238,7 @@ public function test_it_can_determine_if_it_has_a_discount_applied()
         $stripeInvoice->discounts = [$discount, $otherDiscount];
 
         $user = new User();
-        $user->stripe_id = 'foo';
+        $user->{$user::stripeIdColumn()} = 'foo';
 
         $invoice = new Invoice($user, $stripeInvoice);
 
@@ -256,7 +256,7 @@ public function test_it_can_return_its_tax()
         $stripeInvoice->currency = 'USD';
 
         $user = new User();
-        $user->stripe_id = 'foo';
+        $user->{$user::stripeIdColumn()} = 'foo';
 
         $invoice = new Invoice($user, $stripeInvoice);
 
@@ -271,7 +271,7 @@ public function test_it_can_return_its_tax()
         $stripeInvoice->currency = 'USD';
 
         $user = new User();
-        $user->stripe_id = 'foo';
+        $user->{$user::stripeIdColumn()} = 'foo';
 
         $invoice = new Invoice($user, $stripeInvoice);
 
@@ -287,7 +287,7 @@ public function test_it_can_determine_if_the_customer_was_exempt_from_taxes()
         $stripeInvoice->customer_tax_exempt = StripeCustomer::TAX_EXEMPT_EXEMPT;
 
         $user = new User();
-        $user->stripe_id = 'foo';
+        $user->{$user::stripeIdColumn()} = 'foo';
 
         $invoice = new Invoice($user, $stripeInvoice);
 
@@ -301,7 +301,7 @@ public function test_it_can_determine_if_reverse_charge_applies()
         $stripeInvoice->customer_tax_exempt = StripeCustomer::TAX_EXEMPT_REVERSE;
 
         $user = new User();
-        $user->stripe_id = 'foo';
+        $user->{$user::stripeIdColumn()} = 'foo';
 
         $invoice = new Invoice($user, $stripeInvoice);