diff --git a/src/Traits/BillingController.php b/src/Traits/BillingController.php
index 5b07e29d..1e165508 100644
--- a/src/Traits/BillingController.php
+++ b/src/Traits/BillingController.php
@@ -10,10 +10,13 @@
 use Osiset\ShopifyApp\Actions\ActivatePlan;
 use Osiset\ShopifyApp\Actions\ActivateUsageCharge;
 use Osiset\ShopifyApp\Actions\GetPlanUrl;
+use Osiset\ShopifyApp\Exceptions\ChargeNotRecurringException;
+use Osiset\ShopifyApp\Exceptions\MissingShopDomainException;
 use Osiset\ShopifyApp\Http\Requests\StoreUsageCharge;
 use Osiset\ShopifyApp\Objects\Transfers\UsageChargeDetails as UsageChargeDetailsTransfer;
 use Osiset\ShopifyApp\Objects\Values\ChargeReference;
 use Osiset\ShopifyApp\Objects\Values\NullablePlanId;
+use Osiset\ShopifyApp\Objects\Values\NullableShopDomain;
 use Osiset\ShopifyApp\Objects\Values\PlanId;
 use Osiset\ShopifyApp\Objects\Values\ShopDomain;
 use Osiset\ShopifyApp\Storage\Queries\Shop as ShopQuery;
@@ -100,11 +103,25 @@ public function process(
      *
      * @param StoreUsageCharge $request The verified request.
      * @param ActivateUsageCharge $activateUsageCharge The action for activating a usage charge.
+     * @param ShopQuery $shopQuery The shop querier.
+     *
+     * @throws MissingShopDomainException|ChargeNotRecurringException
      *
      * @return RedirectResponse
      */
-    public function usageCharge(StoreUsageCharge $request, ActivateUsageCharge $activateUsageCharge): RedirectResponse
-    {
+    public function usageCharge(
+        StoreUsageCharge    $request,
+        ActivateUsageCharge $activateUsageCharge,
+        ShopQuery           $shopQuery
+    ): RedirectResponse {
+        $shopDomain = NullableShopDomain::fromNative($request->get('shop'));
+        // Get the shop from the shop param after it has been validated.
+        if ($shopDomain->isNull()) {
+            throw new MissingShopDomainException('Shop parameter is missing from request');
+        }
+        $shop = $shopQuery->getByDomain($shopDomain);
+
+        // Valid the request params.
         $validated = $request->validated();
 
         // Create the transfer object
@@ -113,7 +130,7 @@ public function usageCharge(StoreUsageCharge $request, ActivateUsageCharge $acti
         $ucd->description = $validated['description'];
 
         // Activate and save the usage charge
-        $activateUsageCharge($request->user()->getId(), $ucd);
+        $activateUsageCharge($shop->getId(), $ucd);
 
         // All done, return with success
         return isset($validated['redirect'])
diff --git a/tests/Traits/BillingControllerTest.php b/tests/Traits/BillingControllerTest.php
index eef18804..5d541dab 100644
--- a/tests/Traits/BillingControllerTest.php
+++ b/tests/Traits/BillingControllerTest.php
@@ -3,6 +3,7 @@
 namespace Osiset\ShopifyApp\Test\Traits;
 
 use Illuminate\Auth\AuthManager;
+use Osiset\ShopifyApp\Exceptions\MissingShopDomainException;
 use Osiset\ShopifyApp\Storage\Models\Charge;
 use Osiset\ShopifyApp\Storage\Models\Plan;
 use Osiset\ShopifyApp\Test\Stubs\Api as ApiStub;
@@ -112,7 +113,7 @@ public function testUsageChargeSuccess(): void
         $response = $this->call(
             'post',
             '/billing/usage-charge',
-            array_merge($data, ['signature' => $signature->toNative()])
+            array_merge($data, ['signature' => $signature->toNative(), 'shop' => $shop->name])
         );
         $response->assertRedirect($data['redirect']);
         $response->assertSessionHas('success');
@@ -125,13 +126,13 @@ public function testUsageChargeSuccess(): void
         $response = $this->call(
             'post',
             '/billing/usage-charge',
-            array_merge($data, ['signature' => $signature->toNative()])
+            array_merge($data, ['signature' => $signature->toNative(), 'shop' => $shop->name])
         );
         $response->assertRedirect('http://localhost');
         $response->assertSessionHas('success');
     }
 
-    public function testReturnToSettingScreenNoPlan()
+    public function testReturnToSettingScreenNoPlan(): void
     {
         // Set up a shop
         $shop = factory($this->model)->create([
@@ -149,4 +150,82 @@ public function testReturnToSettingScreenNoPlan()
         //Confirm we get sent back to the homepage of the app
         $response->assertRedirect('https://example-app.com?shop='.$shop->name);
     }
+
+    public function testUsageChargeSuccessWithShopParam(): void
+    {
+        // Stub the responses
+        ApiStub::stubResponses([
+            'post_recurring_application_charges_usage_charges_alt',
+        ]);
+
+        // Create the shop
+        $plan = factory(Util::getShopifyConfig('models.plan', Plan::class))->states('type_recurring')->create();
+        $shop = factory($this->model)->create([
+            'plan_id' => $plan->getId()->toNative(),
+        ]);
+        factory(Util::getShopifyConfig('models.charge', Charge::class))->states('type_recurring')->create([
+            'plan_id' => $plan->getId()->toNative(),
+            'user_id' => $shop->getId()->toNative(),
+        ]);
+
+        // Login the shop
+        $this->auth->login($shop);
+
+        // Set up the data for the usage charge and the signature for it
+        $secret = $this->app['config']->get('shopify-app.api_secret');
+        $data = ['description' => 'One email', 'price' => 1.00, 'redirect' => 'https://localhost/usage-success'];
+        $signature = Util::createHmac(['data' => $data, 'buildQuery' => true], $secret);
+
+        // Run the call
+        $response = $this->call(
+            'post',
+            '/billing/usage-charge',
+            array_merge($data, ['signature' => $signature->toNative(), 'shop' => $shop->name])
+        );
+        $response->assertRedirect($data['redirect']);
+        $response->assertSessionHas('success');
+        $this->assertDatabaseHas('charges', ['description' => 'One email']);
+    }
+
+    public function testUsageChargeFailWithoutShopParam(): void
+    {
+        $this->withoutExceptionHandling();
+        $this->expectException(MissingShopDomainException::class);
+
+        // Stub the responses
+        ApiStub::stubResponses([
+            'post_recurring_application_charges_usage_charges_alt',
+        ]);
+
+        // Create the shop
+        $plan = factory(Util::getShopifyConfig('models.plan', Plan::class))
+            ->states('type_recurring')->create();
+        $shop = factory($this->model)->create([
+            'plan_id' => $plan->getId()->toNative(),
+        ]);
+        factory(Util::getShopifyConfig('models.charge', Charge::class))
+            ->states('type_recurring')->create([
+                'plan_id' => $plan->getId()->toNative(),
+                'user_id' => $shop->getId()->toNative(),
+            ]);
+
+        // Login the shop
+        $this->auth->login($shop);
+
+        // Set up the data for the usage charge and the signature for it
+        $secret = $this->app['config']->get('shopify-app.api_secret');
+        $data = [
+            'description' => 'One email',
+            'price' => 1.00,
+            'redirect' => 'https://localhost/usage-success',];
+        $signature = Util::createHmac(['data' => $data, 'buildQuery' => true], $secret);
+
+        // Run the call
+        $response = $this->call(
+            'post',
+            '/billing/usage-charge',
+            array_merge($data, ['signature' => $signature->toNative()])
+        );
+        $this->assertDatabaseMissing('charges', ['description' => 'One email']);
+    }
 }